Added improvements for AstroCalc/Eclipses tool

Added column "Elevation" to the lunar eclipses with visibility conditions of eclipses for current location as tooltip of the data

3 files changed, 392 insertions, 342 deletions

diff --git a/po/stellarium/stellarium.pot b/po/stellarium/stellarium.pot
index ee183503fb..b4d1a943f4 100644
--- a/po/stellarium/stellarium.pot
+++ b/po/stellarium/stellarium.pot
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: stellarium@googlegroups.com\n"
-"POT-Creation-Date: 2022-01-24 19:55+0700\n"
+"POT-Creation-Date: 2022-01-26 02:37+0700\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -32,7 +32,7 @@ msgstr ""
 #: src/core/modules/Nebula.cpp:225 src/core/modules/Planet.cpp:530
 #: src/core/modules/Planet.cpp:533 src/core/modules/StarWrapper.cpp:50
 #: src/core/modules/StarWrapper.cpp:266 src/core/modules/StarWrapper.cpp:269
-#: src/gui/AstroCalcDialog.cpp:927 src/gui/AstroCalcDialog.cpp:2195
+#: src/gui/AstroCalcDialog.cpp:930 src/gui/AstroCalcDialog.cpp:2198
 #: src/gui/ObsListDialog.cpp:149 src/gui/ObsListCreateEditDialog.cpp:157
 #: src/ui_configurationDialog.h:1793 plugins/Satellites/src/Satellite.cpp:305
 #: plugins/TelescopeControl/src/gui/TelescopeDialog.cpp:524
@@ -188,10 +188,10 @@ msgstr ""
 #. TRANSLATORS: altitude
 #. TRANSLATORS: Satellite altitude
 #: src/core/modules/GridLinesMgr.cpp:732 src/gui/SearchDialog.cpp:309
-#: src/gui/AstroCalcDialog.cpp:874 src/gui/AstroCalcDialog.cpp:1554
-#: src/gui/AstroCalcDialog.cpp:1940 src/gui/AstroCalcDialog.cpp:3184
-#: src/gui/AstroCalcDialog.cpp:3752 src/gui/AstroCalcDialog.cpp:4032
-#: src/gui/AstroCalcDialog.cpp:4034 src/ui_viewDialog.h:3642
+#: src/gui/AstroCalcDialog.cpp:877 src/gui/AstroCalcDialog.cpp:1557
+#: src/gui/AstroCalcDialog.cpp:1943 src/gui/AstroCalcDialog.cpp:3217
+#: src/gui/AstroCalcDialog.cpp:3785 src/gui/AstroCalcDialog.cpp:4065
+#: src/gui/AstroCalcDialog.cpp:4067 src/ui_viewDialog.h:3642
 #: plugins/Satellites/src/Satellite.cpp:328
 #: plugins/Satellites/src/gui/SatellitesDialog.cpp:1383
 msgid "Altitude"
@@ -313,9 +313,9 @@ msgstr ""
 
 #. TRANSLATORS: Unit of measure for speed - kilometers per second
 #: src/core/modules/GridLinesMgr.cpp:1466 src/core/modules/Planet.cpp:664
-#: src/core/modules/Planet.cpp:1002 src/gui/AstroCalcDialog.cpp:6685
+#: src/core/modules/Planet.cpp:1002 src/gui/AstroCalcDialog.cpp:6718
 #: plugins/Satellites/src/Satellite.cpp:326
-#: plugins/Satellites/src/Satellite.cpp:387
+#: plugins/Satellites/src/Satellite.cpp:385
 #: plugins/MeteorShowers/src/MeteorShower.cpp:554
 msgctxt "speed"
 msgid "km/s"
@@ -676,7 +676,7 @@ msgstr ""
 
 #. TRANSLATORS: Unit of measure for distance - meter
 #: src/core/modules/LandscapeMgr.cpp:995 src/gui/StelGuiItems.cpp:817
-#: plugins/Satellites/src/Satellite.cpp:417
+#: plugins/Satellites/src/Satellite.cpp:415
 #: plugins/Satellites/src/gui/SatellitesDialog.cpp:1047
 msgctxt "distance"
 msgid "m"
@@ -757,9 +757,9 @@ msgstr ""
 #: src/core/modules/NomenclatureItem.cpp:238 src/core/modules/Planet.cpp:620
 #: src/core/modules/Planet.cpp:645 src/core/modules/Planet.cpp:748
 #: src/core/modules/Comet.cpp:159 src/core/modules/Comet.cpp:169
-#: src/gui/StelGuiItems.cpp:847 src/gui/AstroCalcDialog.cpp:6619
+#: src/gui/StelGuiItems.cpp:847 src/gui/AstroCalcDialog.cpp:6652
 #: plugins/Satellites/src/Satellite.cpp:322
-#: plugins/Satellites/src/Satellite.cpp:380
+#: plugins/Satellites/src/Satellite.cpp:378
 msgctxt "distance"
 msgid "km"
 msgstr ""
@@ -1453,7 +1453,7 @@ msgid "Subsolar"
 msgstr ""
 
 #: src/core/modules/Nebula.cpp:149 src/core/StelObject.cpp:315
-#: src/gui/AstroCalcDialog.cpp:3578 src/gui/AstroCalcDialog.cpp:3636
+#: src/gui/AstroCalcDialog.cpp:3611 src/gui/AstroCalcDialog.cpp:3669
 #: src/gui/ObsListDialog.cpp:152 src/gui/ObsListCreateEditDialog.cpp:160
 #: plugins/Supernovae/src/Supernova.cpp:128
 msgid "Magnitude"
@@ -1507,17 +1507,17 @@ msgid "after extinction"
 msgstr ""
 
 #: src/core/modules/Nebula.cpp:250 src/core/modules/Nebula.cpp:252
-#: src/gui/AstroCalcDialog.cpp:1104 src/gui/AstroCalcDialog.cpp:1106
+#: src/gui/AstroCalcDialog.cpp:1107 src/gui/AstroCalcDialog.cpp:1109
 msgctxt "magnitude"
 msgid "mag"
 msgstr ""
 
-#: src/core/modules/Nebula.cpp:250 src/gui/AstroCalcDialog.cpp:1104
-#: src/gui/AstroCalcDialog.cpp:1111 src/gui/AstroCalcDialog.cpp:1185
+#: src/core/modules/Nebula.cpp:250 src/gui/AstroCalcDialog.cpp:1107
+#: src/gui/AstroCalcDialog.cpp:1114 src/gui/AstroCalcDialog.cpp:1188
 msgid "arc-min"
 msgstr ""
 
-#: src/core/modules/Nebula.cpp:252 src/gui/AstroCalcDialog.cpp:1106
+#: src/core/modules/Nebula.cpp:252 src/gui/AstroCalcDialog.cpp:1109
 msgid "arc-sec"
 msgstr ""
 
@@ -1546,8 +1546,8 @@ msgstr ""
 
 #: src/core/modules/Nebula.cpp:320 src/core/modules/Nebula.cpp:366
 #: src/core/modules/Planet.cpp:655 src/core/modules/StarWrapper.cpp:317
-#: src/core/modules/StarWrapper.cpp:319 src/gui/AstroCalcDialog.cpp:3589
-#: src/gui/AstroCalcDialog.cpp:3647 src/ui_configurationDialog.h:1778
+#: src/core/modules/StarWrapper.cpp:319 src/gui/AstroCalcDialog.cpp:3622
+#: src/gui/AstroCalcDialog.cpp:3680 src/ui_configurationDialog.h:1778
 #: plugins/Supernovae/src/Supernova.cpp:160 plugins/Novae/src/Nova.cpp:165
 #: plugins/Exoplanets/src/Exoplanet.cpp:296
 msgid "Distance"
@@ -1985,7 +1985,7 @@ msgstr ""
 
 #. TRANSLATORS: Type of object
 #: src/core/modules/Nebula.cpp:1414 src/core/modules/StarWrapper.cpp:50
-#: src/core/modules/StarWrapper.cpp:259 src/gui/AstroCalcDialog.cpp:1279
+#: src/core/modules/StarWrapper.cpp:259 src/gui/AstroCalcDialog.cpp:1282
 #: src/translations.h:35
 msgid "star"
 msgstr ""
@@ -2022,8 +2022,8 @@ msgstr ""
 msgid "object of unknown nature"
 msgstr ""
 
-#: src/core/modules/NebulaMgr.cpp:474 src/gui/AstroCalcDialog.cpp:994
-#: src/gui/AstroCalcDialog.cpp:5660
+#: src/core/modules/NebulaMgr.cpp:474 src/gui/AstroCalcDialog.cpp:997
+#: src/gui/AstroCalcDialog.cpp:5693
 msgid "Deep-sky objects"
 msgstr ""
 
@@ -2092,11 +2092,11 @@ msgid "towards"
 msgstr ""
 
 #. TRANSLATORS: Unit of measure for distance - astronomical unit
-#: src/core/modules/Planet.cpp:618 src/gui/AstroCalcDialog.cpp:908
-#: src/gui/AstroCalcDialog.cpp:1183 src/gui/AstroCalcDialog.cpp:1568
-#: src/gui/AstroCalcDialog.cpp:1615 src/gui/AstroCalcDialog.cpp:3557
-#: src/gui/AstroCalcDialog.cpp:6645 src/gui/AstroCalcDialog.cpp:6707
-#: src/gui/AstroCalcDialog.cpp:6851 plugins/Exoplanets/src/Exoplanet.cpp:325
+#: src/core/modules/Planet.cpp:618 src/gui/AstroCalcDialog.cpp:911
+#: src/gui/AstroCalcDialog.cpp:1186 src/gui/AstroCalcDialog.cpp:1571
+#: src/gui/AstroCalcDialog.cpp:1618 src/gui/AstroCalcDialog.cpp:3590
+#: src/gui/AstroCalcDialog.cpp:6678 src/gui/AstroCalcDialog.cpp:6740
+#: src/gui/AstroCalcDialog.cpp:6884 plugins/Exoplanets/src/Exoplanet.cpp:325
 #: plugins/Exoplanets/src/gui/ExoplanetsDialog.cpp:174
 msgctxt "distance, astronomical unit"
 msgid "AU"
@@ -2106,7 +2106,7 @@ msgstr ""
 #. TRANSLATORS: Unit of measure for distance - milliones kilometers
 #. TRANSLATORS: Unit of measure for distance - millions kilometers
 #: src/core/modules/Planet.cpp:634 src/core/modules/Planet.cpp:652
-#: src/core/modules/Comet.cpp:161 src/gui/AstroCalcDialog.cpp:6621
+#: src/core/modules/Comet.cpp:161 src/gui/AstroCalcDialog.cpp:6654
 msgctxt "distance"
 msgid "M km"
 msgstr ""
@@ -2149,14 +2149,14 @@ msgid "Equatorial diameter"
 msgstr ""
 
 #: src/core/modules/Planet.cpp:805 src/core/modules/Planet.cpp:806
-#: src/core/modules/Planet.cpp:814 src/gui/AstroCalcDialog.cpp:3594
-#: src/gui/AstroCalcDialog.cpp:3652 src/ui_configurationDialog.h:1817
+#: src/core/modules/Planet.cpp:814 src/gui/AstroCalcDialog.cpp:3627
+#: src/gui/AstroCalcDialog.cpp:3685 src/ui_configurationDialog.h:1817
 msgid "Elongation"
 msgstr ""
 
 #: src/core/modules/Planet.cpp:807 src/core/modules/Planet.cpp:816
-#: src/gui/AstroCalcDialog.cpp:3604 src/gui/AstroCalcDialog.cpp:3662
-#: plugins/Satellites/src/Satellite.cpp:392
+#: src/gui/AstroCalcDialog.cpp:3637 src/gui/AstroCalcDialog.cpp:3695
+#: plugins/Satellites/src/Satellite.cpp:390
 msgid "Phase angle"
 msgstr ""
 
@@ -2168,14 +2168,14 @@ msgstr ""
 msgid "Elong. in Ecl.Long."
 msgstr ""
 
-#: src/core/modules/Planet.cpp:830 src/gui/AstroCalcDialog.cpp:6708
-#: src/gui/AstroCalcDialog.cpp:6854 src/gui/AstroCalcDialog.cpp:6866
+#: src/core/modules/Planet.cpp:830 src/gui/AstroCalcDialog.cpp:6741
+#: src/gui/AstroCalcDialog.cpp:6887 src/gui/AstroCalcDialog.cpp:6899
 msgid "Angular distance"
 msgstr ""
 
 #. TRANSLATORS: Unit of measure for period - days
 #: src/core/modules/Planet.cpp:848 src/core/modules/StarWrapper.cpp:358
-#: src/gui/AstroCalcDialog.cpp:6656
+#: src/gui/AstroCalcDialog.cpp:6689
 msgctxt "duration"
 msgid "days"
 msgstr ""
@@ -2364,8 +2364,8 @@ msgid "Orthographic"
 msgstr ""
 
 #. TRANSLATORS: Type of objects (for "Lists" in the search tool)
-#: src/core/modules/SolarSystem.cpp:300 src/gui/AstroCalcDialog.cpp:2864
-#: src/gui/AstroCalcDialog.cpp:5615 src/translations.h:63
+#: src/core/modules/SolarSystem.cpp:300 src/gui/AstroCalcDialog.cpp:2897
+#: src/gui/AstroCalcDialog.cpp:5648 src/translations.h:63
 msgid "Planets"
 msgstr ""
 
@@ -2436,11 +2436,11 @@ msgstr ""
 msgid "eclipsing binary system"
 msgstr ""
 
-#: src/core/modules/StarWrapper.cpp:253 src/gui/AstroCalcDialog.cpp:1303
+#: src/core/modules/StarWrapper.cpp:253 src/gui/AstroCalcDialog.cpp:1306
 msgid "variable star"
 msgstr ""
 
-#: src/core/modules/StarWrapper.cpp:257 src/gui/AstroCalcDialog.cpp:1286
+#: src/core/modules/StarWrapper.cpp:257 src/gui/AstroCalcDialog.cpp:1289
 msgid "double star"
 msgstr ""
 
@@ -2498,7 +2498,7 @@ msgid "Position angle"
 msgstr ""
 
 #: src/core/modules/StarWrapper.cpp:393 src/core/modules/StarWrapper.cpp:398
-#: src/gui/AstroCalcDialog.cpp:4055
+#: src/gui/AstroCalcDialog.cpp:4088
 msgid "Separation"
 msgstr ""
 
@@ -2655,9 +2655,9 @@ msgid "Loading plugin"
 msgstr ""
 
 #: src/core/StelCore.cpp:265 src/core/StelObjectMgr.cpp:54
-#: src/gui/StelGui.cpp:228 src/gui/AstroCalcDialog.cpp:1548
-#: src/gui/AstroCalcDialog.cpp:1938 src/gui/AstroCalcDialog.cpp:2193
-#: src/gui/AstroCalcDialog.cpp:4048 src/ui_dateTimeDialogGui.h:373
+#: src/gui/StelGui.cpp:228 src/gui/AstroCalcDialog.cpp:1551
+#: src/gui/AstroCalcDialog.cpp:1941 src/gui/AstroCalcDialog.cpp:2196
+#: src/gui/AstroCalcDialog.cpp:4081 src/ui_dateTimeDialogGui.h:373
 #: src/ui_dateTimeDialogGui.h:376
 #: plugins/TextUserInterface/src/TextUserInterface.cpp:172
 msgid "Date and Time"
@@ -3359,18 +3359,18 @@ msgid "Apparent Sidereal Time"
 msgstr ""
 
 #. TRANSLATORS: time of transit
-#: src/core/StelObject.cpp:679 src/gui/AstroCalcDialog.cpp:921
-#: src/gui/AstroCalcDialog.cpp:5735
+#: src/core/StelObject.cpp:679 src/gui/AstroCalcDialog.cpp:924
+#: src/gui/AstroCalcDialog.cpp:5768
 msgctxt "celestial event; passage across a meridian"
 msgid "Transit"
 msgstr ""
 
-#: src/core/StelObject.cpp:680 src/gui/AstroCalcDialog.cpp:5734
+#: src/core/StelObject.cpp:680 src/gui/AstroCalcDialog.cpp:5767
 msgctxt "celestial event"
 msgid "Rise"
 msgstr ""
 
-#: src/core/StelObject.cpp:681 src/gui/AstroCalcDialog.cpp:5738
+#: src/core/StelObject.cpp:681 src/gui/AstroCalcDialog.cpp:5771
 msgctxt "celestial event"
 msgid "Set"
 msgstr ""
@@ -3440,7 +3440,7 @@ msgstr ""
 msgid "Parallactic Angle"
 msgstr ""
 
-#: src/core/StelObject.cpp:857 src/gui/AstroCalcDialog.cpp:5832
+#: src/core/StelObject.cpp:857 src/gui/AstroCalcDialog.cpp:5865
 msgid "IAU Constellation"
 msgstr ""
 
@@ -5362,16 +5362,16 @@ msgstr ""
 msgid "Right ascension"
 msgstr ""
 
-#: src/gui/SearchDialog.cpp:298 src/gui/AstroCalcDialog.cpp:3627
-#: src/gui/AstroCalcDialog.cpp:3685 src/gui/ObsListDialog.cpp:151
+#: src/gui/SearchDialog.cpp:298 src/gui/AstroCalcDialog.cpp:3660
+#: src/gui/AstroCalcDialog.cpp:3718 src/gui/ObsListDialog.cpp:151
 #: src/gui/ObsListCreateEditDialog.cpp:159
 msgid "Declination"
 msgstr ""
 
 #. TRANSLATORS: azimuth
-#: src/gui/SearchDialog.cpp:306 src/gui/AstroCalcDialog.cpp:651
-#: src/gui/AstroCalcDialog.cpp:837 src/gui/AstroCalcDialog.cpp:839
-#: src/gui/AstroCalcDialog.cpp:872 src/gui/AstroCalcDialog.cpp:1552
+#: src/gui/SearchDialog.cpp:306 src/gui/AstroCalcDialog.cpp:654
+#: src/gui/AstroCalcDialog.cpp:840 src/gui/AstroCalcDialog.cpp:842
+#: src/gui/AstroCalcDialog.cpp:875 src/gui/AstroCalcDialog.cpp:1555
 #: plugins/Satellites/src/gui/SatellitesDialog.cpp:1384
 msgid "Azimuth"
 msgstr ""
@@ -5471,29 +5471,29 @@ msgstr ""
 msgid "Gregorian dates. Valid range:"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:360
+#: src/gui/AstroCalcDialog.cpp:362
 msgid "Valid range"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:650 src/gui/AstroCalcDialog.cpp:837
-#: src/gui/AstroCalcDialog.cpp:839 src/gui/AstroCalcDialog.cpp:3183
-#: src/gui/AstroCalcDialog.cpp:4032 src/gui/AstroCalcDialog.cpp:4034
+#: src/gui/AstroCalcDialog.cpp:653 src/gui/AstroCalcDialog.cpp:840
+#: src/gui/AstroCalcDialog.cpp:842 src/gui/AstroCalcDialog.cpp:3216
+#: src/gui/AstroCalcDialog.cpp:4065 src/gui/AstroCalcDialog.cpp:4067
 msgid "Local Time"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:795 src/gui/AstroCalcDialog.cpp:3089
-#: src/gui/AstroCalcDialog.cpp:3903 src/gui/AstroCalcDialog.cpp:6977
+#: src/gui/AstroCalcDialog.cpp:798 src/gui/AstroCalcDialog.cpp:3122
+#: src/gui/AstroCalcDialog.cpp:3936 src/gui/AstroCalcDialog.cpp:7010
 msgid "Unnamed star"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:830 src/gui/AstroCalcDialog.cpp:4009
+#: src/gui/AstroCalcDialog.cpp:833 src/gui/AstroCalcDialog.cpp:4042
 #, qt-format
 msgid "Now about %1"
 msgstr ""
 
 #. TRANSLATORS: name of object
-#: src/gui/AstroCalcDialog.cpp:868 src/gui/AstroCalcDialog.cpp:1547
-#: src/gui/AstroCalcDialog.cpp:1937 src/gui/AstroCalcDialog.cpp:5723
+#: src/gui/AstroCalcDialog.cpp:871 src/gui/AstroCalcDialog.cpp:1550
+#: src/gui/AstroCalcDialog.cpp:1940 src/gui/AstroCalcDialog.cpp:5756
 #: src/ui_configurationDialog.h:1813
 #: plugins/TelescopeControl/src/gui/TelescopeDialog.cpp:525
 #: plugins/TelescopeControl/src/gui/StoredPointsDialog.cpp:95
@@ -5503,597 +5503,617 @@ msgid "Name"
 msgstr ""
 
 #. TRANSLATORS: right ascension
-#: src/gui/AstroCalcDialog.cpp:879 src/gui/AstroCalcDialog.cpp:1559
+#: src/gui/AstroCalcDialog.cpp:882 src/gui/AstroCalcDialog.cpp:1562
 msgid "RA (J2000)"
 msgstr ""
 
 #. TRANSLATORS: declination
-#: src/gui/AstroCalcDialog.cpp:881 src/gui/AstroCalcDialog.cpp:1561
+#: src/gui/AstroCalcDialog.cpp:884 src/gui/AstroCalcDialog.cpp:1564
 msgid "Dec (J2000)"
 msgstr ""
 
 #. TRANSLATORS: opacity
-#: src/gui/AstroCalcDialog.cpp:886 src/gui/AstroCalcDialog.cpp:5732
+#: src/gui/AstroCalcDialog.cpp:889 src/gui/AstroCalcDialog.cpp:5765
 msgid "Opac."
 msgstr ""
 
 #. TRANSLATORS: magnitude
-#: src/gui/AstroCalcDialog.cpp:891 src/gui/AstroCalcDialog.cpp:1564
-#: src/gui/AstroCalcDialog.cpp:1942 src/gui/AstroCalcDialog.cpp:5727
+#: src/gui/AstroCalcDialog.cpp:894 src/gui/AstroCalcDialog.cpp:1567
+#: src/gui/AstroCalcDialog.cpp:1945 src/gui/AstroCalcDialog.cpp:5760
 #: plugins/Exoplanets/src/gui/ExoplanetsDialog.cpp:180
 msgid "Mag."
 msgstr ""
 
 #. TRANSLATORS: angular size, arc-minutes
-#: src/gui/AstroCalcDialog.cpp:894
+#: src/gui/AstroCalcDialog.cpp:897
 msgid "A.S."
 msgstr ""
 
 #. TRANSLATORS: separation, arc-seconds
 #. TRANSLATORS: separation
-#: src/gui/AstroCalcDialog.cpp:898 src/gui/AstroCalcDialog.cpp:5742
+#: src/gui/AstroCalcDialog.cpp:901 src/gui/AstroCalcDialog.cpp:5775
 msgid "Sep."
 msgstr ""
 
 #. TRANSLATORS: period, days
-#: src/gui/AstroCalcDialog.cpp:903
+#: src/gui/AstroCalcDialog.cpp:906
 msgid "Per."
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:903
+#: src/gui/AstroCalcDialog.cpp:906
 msgctxt "days"
 msgid "d"
 msgstr ""
 
 #. TRANSLATORS: distance, AU
-#: src/gui/AstroCalcDialog.cpp:908 src/gui/AstroCalcDialog.cpp:1568
+#: src/gui/AstroCalcDialog.cpp:911 src/gui/AstroCalcDialog.cpp:1571
 msgid "Dist."
 msgstr ""
 
 #. TRANSLATORS: proper motion, arc-second per year
-#: src/gui/AstroCalcDialog.cpp:913
+#: src/gui/AstroCalcDialog.cpp:916
 msgid "P.M."
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:913
+#: src/gui/AstroCalcDialog.cpp:916
 msgctxt "arc-second per year"
 msgid "\"/yr"
 msgstr ""
 
 #. TRANSLATORS: surface brightness
-#: src/gui/AstroCalcDialog.cpp:918
+#: src/gui/AstroCalcDialog.cpp:921
 msgid "S.B."
 msgstr ""
 
 #. TRANSLATORS: elevation
-#: src/gui/AstroCalcDialog.cpp:923 src/gui/AstroCalcDialog.cpp:5737
+#: src/gui/AstroCalcDialog.cpp:926 src/gui/AstroCalcDialog.cpp:5770
 msgid "Elev."
 msgstr ""
 
 #. TRANSLATORS: elongation
-#: src/gui/AstroCalcDialog.cpp:925 src/gui/AstroCalcDialog.cpp:1570
+#: src/gui/AstroCalcDialog.cpp:928 src/gui/AstroCalcDialog.cpp:1573
 msgid "Elong."
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:995 src/ui_viewDialog.h:3216
+#: src/gui/AstroCalcDialog.cpp:998 src/ui_viewDialog.h:3216
 msgid "Solar system objects"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:996
+#: src/gui/AstroCalcDialog.cpp:999
 msgid "Solar system objects: comets"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:997 src/gui/AstroCalcDialog.cpp:2873
+#: src/gui/AstroCalcDialog.cpp:1000 src/gui/AstroCalcDialog.cpp:2906
 msgid "Solar system objects: minor bodies"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:998
+#: src/gui/AstroCalcDialog.cpp:1001
 msgid "Solar system objects: planets"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:1061
+#: src/gui/AstroCalcDialog.cpp:1064
 msgid "Elevation of object at moment of upper culmination"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:1064
+#: src/gui/AstroCalcDialog.cpp:1067
 msgid "Angular distance from the Sun at the moment of computation of position"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:1082
+#: src/gui/AstroCalcDialog.cpp:1085
 #, qt-format
 msgid "Positions on %1"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:1111
+#: src/gui/AstroCalcDialog.cpp:1114
 msgid "Average angular size"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:1180 src/gui/AstroCalcDialog.cpp:1614
+#: src/gui/AstroCalcDialog.cpp:1183 src/gui/AstroCalcDialog.cpp:1617
 msgid "Planetocentric distance"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:1182 src/gui/AstroCalcDialog.cpp:1614
+#: src/gui/AstroCalcDialog.cpp:1185 src/gui/AstroCalcDialog.cpp:1617
 msgid "Topocentric distance"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:1185
+#: src/gui/AstroCalcDialog.cpp:1188
 msgid "Angular size (with rings, if any)"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:1309
+#: src/gui/AstroCalcDialog.cpp:1312
 msgid "star with high proper motion"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:1413 src/gui/AstroCalcDialog.cpp:1862
-#: src/gui/AstroCalcDialog.cpp:2124 src/gui/AstroCalcDialog.cpp:2481
-#: src/gui/AstroCalcDialog.cpp:4394 src/gui/AstroCalcDialog.cpp:6502
+#: src/gui/AstroCalcDialog.cpp:1416 src/gui/AstroCalcDialog.cpp:1865
+#: src/gui/AstroCalcDialog.cpp:2127 src/gui/AstroCalcDialog.cpp:2514
+#: src/gui/AstroCalcDialog.cpp:4427 src/gui/AstroCalcDialog.cpp:6535
 #: plugins/Satellites/src/gui/SatellitesDialog.cpp:1459
 msgid "Microsoft Excel Open XML Spreadsheet"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:1415 src/gui/AstroCalcDialog.cpp:1864
-#: src/gui/AstroCalcDialog.cpp:2126 src/gui/AstroCalcDialog.cpp:2483
-#: src/gui/AstroCalcDialog.cpp:4396 src/gui/AstroCalcDialog.cpp:6504
+#: src/gui/AstroCalcDialog.cpp:1418 src/gui/AstroCalcDialog.cpp:1867
+#: src/gui/AstroCalcDialog.cpp:2129 src/gui/AstroCalcDialog.cpp:2516
+#: src/gui/AstroCalcDialog.cpp:4429 src/gui/AstroCalcDialog.cpp:6537
 #: plugins/Satellites/src/gui/SatellitesDialog.cpp:1461
 msgid "CSV (Comma delimited)"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:1419
+#: src/gui/AstroCalcDialog.cpp:1422
 msgid "Save celestial positions of objects as..."
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:1434
+#: src/gui/AstroCalcDialog.cpp:1437
 msgid "Celestial positions of objects"
 msgstr ""
 
 #. TRANSLATORS: phase
-#: src/gui/AstroCalcDialog.cpp:1566 src/gui/AstroCalcDialog.cpp:3584
-#: src/gui/AstroCalcDialog.cpp:3642
+#: src/gui/AstroCalcDialog.cpp:1569 src/gui/AstroCalcDialog.cpp:3617
+#: src/gui/AstroCalcDialog.cpp:3675
 msgid "Phase"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:1868
+#: src/gui/AstroCalcDialog.cpp:1871
 msgid "Save calculated ephemeris as..."
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:1883 src/ui_astroCalcDialog.h:1813
+#: src/gui/AstroCalcDialog.cpp:1886 src/ui_astroCalcDialog.h:1813
 msgid "Ephemeris"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:1943 src/gui/AstroCalcDialog.cpp:4057
+#: src/gui/AstroCalcDialog.cpp:1946 src/gui/AstroCalcDialog.cpp:4090
 msgid "Solar Elongation"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:1944 src/gui/AstroCalcDialog.cpp:4058
+#: src/gui/AstroCalcDialog.cpp:1947 src/gui/AstroCalcDialog.cpp:4091
 msgid "Lunar Elongation"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2130
+#: src/gui/AstroCalcDialog.cpp:2133
 msgid "Save calculated transits as..."
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2145 src/ui_astroCalcDialog.h:1815
+#: src/gui/AstroCalcDialog.cpp:2148 src/ui_astroCalcDialog.h:1815
 msgid "Transits"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2194
+#: src/gui/AstroCalcDialog.cpp:2197
 msgid "Saros number"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2196
+#: src/gui/AstroCalcDialog.cpp:2199
 msgid "Gamma"
 msgstr ""
 
 #. TRANSLATORS: The name of column in AstroCalc/Eclipses tool
-#: src/gui/AstroCalcDialog.cpp:2198
+#: src/gui/AstroCalcDialog.cpp:2201
 msgctxt "column name"
 msgid "Penumbral eclipse magnitude"
 msgstr ""
 
 #. TRANSLATORS: The name of column in AstroCalc/Eclipses tool
-#: src/gui/AstroCalcDialog.cpp:2200
+#: src/gui/AstroCalcDialog.cpp:2203
 msgctxt "column name"
 msgid "Umbral eclipse magnitude"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2375
-msgctxt "eclipse type"
-msgid "Penumbral"
+#: src/gui/AstroCalcDialog.cpp:2204 src/gui/AstroCalcDialog.cpp:4089
+msgid "Elevation"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2376
+#: src/gui/AstroCalcDialog.cpp:2385
 msgctxt "eclipse type"
 msgid "Total"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2377
+#: src/gui/AstroCalcDialog.cpp:2387
 msgctxt "eclipse type"
 msgid "Partial"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2487
+#: src/gui/AstroCalcDialog.cpp:2389
+msgctxt "eclipse type"
+msgid "Penumbral"
+msgstr ""
+
+#: src/gui/AstroCalcDialog.cpp:2396
+msgid "Perfect visibility conditions for current location"
+msgstr ""
+
+#: src/gui/AstroCalcDialog.cpp:2398
+msgid "Good visibility conditions for current location"
+msgstr ""
+
+#: src/gui/AstroCalcDialog.cpp:2400
+msgid "Bad visibility conditions for current location"
+msgstr ""
+
+#: src/gui/AstroCalcDialog.cpp:2404
+msgid "The eclipse is invisible in current location"
+msgstr ""
+
+#: src/gui/AstroCalcDialog.cpp:2520
 msgid "Save calculated lunar eclipses as..."
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2502
+#: src/gui/AstroCalcDialog.cpp:2535
 msgid "Lunar Eclipses"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2720
+#: src/gui/AstroCalcDialog.cpp:2753
 msgid "1 minute"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2720
+#: src/gui/AstroCalcDialog.cpp:2753
 msgid "10 minutes"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2720
+#: src/gui/AstroCalcDialog.cpp:2753
 msgid "30 minutes"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2720
+#: src/gui/AstroCalcDialog.cpp:2753
 msgid "1 hour"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2720
+#: src/gui/AstroCalcDialog.cpp:2753
 msgid "6 hours"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2720
+#: src/gui/AstroCalcDialog.cpp:2753
 msgid "12 hours"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2721
+#: src/gui/AstroCalcDialog.cpp:2754
 msgid "1 solar day"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2721
+#: src/gui/AstroCalcDialog.cpp:2754
 msgid "5 solar days"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2721
+#: src/gui/AstroCalcDialog.cpp:2754
 msgid "10 solar days"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2721
+#: src/gui/AstroCalcDialog.cpp:2754
 msgid "15 solar days"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2721
+#: src/gui/AstroCalcDialog.cpp:2754
 msgid "30 solar days"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2722
+#: src/gui/AstroCalcDialog.cpp:2755
 msgid "60 solar days"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2722
+#: src/gui/AstroCalcDialog.cpp:2755
 msgid "100 solar days"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2722
+#: src/gui/AstroCalcDialog.cpp:2755
 msgid "500 solar days"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2722
+#: src/gui/AstroCalcDialog.cpp:2755
 msgid "1 sidereal day"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2722
+#: src/gui/AstroCalcDialog.cpp:2755
 msgid "5 sidereal days"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2723
+#: src/gui/AstroCalcDialog.cpp:2756
 msgid "10 sidereal days"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2723
+#: src/gui/AstroCalcDialog.cpp:2756
 msgid "15 sidereal days"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2723
+#: src/gui/AstroCalcDialog.cpp:2756
 msgid "30 sidereal days"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2723
+#: src/gui/AstroCalcDialog.cpp:2756
 msgid "60 sidereal days"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2723
+#: src/gui/AstroCalcDialog.cpp:2756
 msgid "100 sidereal days"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2724
+#: src/gui/AstroCalcDialog.cpp:2757
 msgid "500 sidereal days"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2724
+#: src/gui/AstroCalcDialog.cpp:2757
 msgid "1 sidereal year"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2724
+#: src/gui/AstroCalcDialog.cpp:2757
 msgid "1 Julian day"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2724
+#: src/gui/AstroCalcDialog.cpp:2757
 msgid "5 Julian days"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2724
+#: src/gui/AstroCalcDialog.cpp:2757
 msgid "10 Julian days"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2725
+#: src/gui/AstroCalcDialog.cpp:2758
 msgid "15 Julian days"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2725
+#: src/gui/AstroCalcDialog.cpp:2758
 msgid "30 Julian days"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2725
+#: src/gui/AstroCalcDialog.cpp:2758
 msgid "60 Julian days"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2725
+#: src/gui/AstroCalcDialog.cpp:2758
 msgid "100 Julian days"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2725
+#: src/gui/AstroCalcDialog.cpp:2758
 msgid "1 Julian year"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2726
+#: src/gui/AstroCalcDialog.cpp:2759
 msgid "1 Gaussian year"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2726
+#: src/gui/AstroCalcDialog.cpp:2759
 msgid "1 synodic month"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2726
+#: src/gui/AstroCalcDialog.cpp:2759
 msgid "1 draconic month"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2726
+#: src/gui/AstroCalcDialog.cpp:2759
 msgid "1 mean tropical month"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2727
+#: src/gui/AstroCalcDialog.cpp:2760
 msgid "1 anomalistic month"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2727
+#: src/gui/AstroCalcDialog.cpp:2760
 msgid "1 anomalistic year"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2727
+#: src/gui/AstroCalcDialog.cpp:2760
 msgid "1 saros"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2727
+#: src/gui/AstroCalcDialog.cpp:2760
 msgid "custom interval"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2864
+#: src/gui/AstroCalcDialog.cpp:2897
 msgid "Latest selected object"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2864
+#: src/gui/AstroCalcDialog.cpp:2897
 msgid "Solar system"
 msgstr ""
 
 #. TRANSLATORS: Type of objects (for "Lists" in the search tool)
-#: src/gui/AstroCalcDialog.cpp:2864 src/gui/AstroCalcDialog.cpp:5621
+#: src/gui/AstroCalcDialog.cpp:2897 src/gui/AstroCalcDialog.cpp:5654
 #: src/translations.h:67 plugins/SolarSystemEditor/src/ui_mpcImportWindow.h:514
 msgid "Asteroids"
 msgstr ""
 
 #. TRANSLATORS: Type of objects (for "Lists" in the search tool)
-#: src/gui/AstroCalcDialog.cpp:2865 src/gui/AstroCalcDialog.cpp:5623
+#: src/gui/AstroCalcDialog.cpp:2898 src/gui/AstroCalcDialog.cpp:5656
 #: src/translations.h:71
 msgid "Plutinos"
 msgstr ""
 
 #. TRANSLATORS: Type of objects (for "Lists" in the search tool)
-#: src/gui/AstroCalcDialog.cpp:2865 src/gui/AstroCalcDialog.cpp:5622
+#: src/gui/AstroCalcDialog.cpp:2898 src/gui/AstroCalcDialog.cpp:5655
 #: src/translations.h:65 plugins/SolarSystemEditor/src/ui_mpcImportWindow.h:515
 msgid "Comets"
 msgstr ""
 
 #. TRANSLATORS: Type of objects (for "Lists" in the search tool)
-#: src/gui/AstroCalcDialog.cpp:2865 src/gui/AstroCalcDialog.cpp:5624
+#: src/gui/AstroCalcDialog.cpp:2898 src/gui/AstroCalcDialog.cpp:5657
 #: src/translations.h:73
 msgid "Dwarf planets"
 msgstr ""
 
 #. TRANSLATORS: Type of objects (for "Lists" in the search tool)
-#: src/gui/AstroCalcDialog.cpp:2865 src/gui/AstroCalcDialog.cpp:5625
+#: src/gui/AstroCalcDialog.cpp:2898 src/gui/AstroCalcDialog.cpp:5658
 #: src/translations.h:75
 msgid "Cubewanos"
 msgstr ""
 
 #. TRANSLATORS: Type of objects (for "Lists" in the search tool)
-#: src/gui/AstroCalcDialog.cpp:2866 src/gui/AstroCalcDialog.cpp:5626
+#: src/gui/AstroCalcDialog.cpp:2899 src/gui/AstroCalcDialog.cpp:5659
 #: src/translations.h:77
 msgid "Scattered disc objects"
 msgstr ""
 
 #. TRANSLATORS: Type of objects (for "Lists" in the search tool)
-#: src/gui/AstroCalcDialog.cpp:2866 src/gui/AstroCalcDialog.cpp:5627
+#: src/gui/AstroCalcDialog.cpp:2899 src/gui/AstroCalcDialog.cpp:5660
 #: src/translations.h:79
 msgid "Oort cloud objects"
 msgstr ""
 
 #. TRANSLATORS: Type of objects (for "Lists" in the search tool)
-#: src/gui/AstroCalcDialog.cpp:2866 src/gui/AstroCalcDialog.cpp:5628
+#: src/gui/AstroCalcDialog.cpp:2899 src/gui/AstroCalcDialog.cpp:5661
 #: src/translations.h:81
 msgid "Sednoids"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2867
+#: src/gui/AstroCalcDialog.cpp:2900
 #, qt-format
 msgid "Bright stars (<%1 mag)"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2867
+#: src/gui/AstroCalcDialog.cpp:2900
 #, qt-format
 msgid "Bright double stars (<%1 mag)"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2868
+#: src/gui/AstroCalcDialog.cpp:2901
 #, qt-format
 msgid "Bright variable stars (<%1 mag)"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2868
+#: src/gui/AstroCalcDialog.cpp:2901
 #, qt-format
 msgid "Bright star clusters (<%1 mag)"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2869
+#: src/gui/AstroCalcDialog.cpp:2902
 #, qt-format
 msgid "Planetary nebulae (<%1 mag)"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2869
+#: src/gui/AstroCalcDialog.cpp:2902
 #, qt-format
 msgid "Bright nebulae (<%1 mag)"
 msgstr ""
 
 #. TRANSLATORS: Type of objects (for "Lists" in the search tool)
-#: src/gui/AstroCalcDialog.cpp:2869 src/gui/AstroCalcDialog.cpp:5618
+#: src/gui/AstroCalcDialog.cpp:2902 src/gui/AstroCalcDialog.cpp:5651
 #: src/translations.h:318 src/ui_viewDialog.h:3494 src/ui_dsoColorsDialog.h:659
 msgid "Dark nebulae"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2870
+#: src/gui/AstroCalcDialog.cpp:2903
 #, qt-format
 msgid "Bright galaxies (<%1 mag)"
 msgstr ""
 
 #. TRANSLATORS: Type of stars (for "Lists" in the search tool)
-#: src/gui/AstroCalcDialog.cpp:2870 src/gui/AstroCalcDialog.cpp:5633
+#: src/gui/AstroCalcDialog.cpp:2903 src/gui/AstroCalcDialog.cpp:5666
 #: src/translations.h:368 src/ui_dsoColorsDialog.h:695
 msgid "Symbiotic stars"
 msgstr ""
 
 #. TRANSLATORS: Type of stars (for "Lists" in the search tool)
-#: src/gui/AstroCalcDialog.cpp:2870 src/gui/AstroCalcDialog.cpp:5634
+#: src/gui/AstroCalcDialog.cpp:2903 src/gui/AstroCalcDialog.cpp:5667
 #: src/translations.h:370 src/ui_dsoColorsDialog.h:674
 msgid "Emission-line stars"
 msgstr ""
 
 #. TRANSLATORS: Type of objects (for "Lists" in the search tool)
-#: src/gui/AstroCalcDialog.cpp:2871 src/gui/AstroCalcDialog.cpp:5639
+#: src/gui/AstroCalcDialog.cpp:2904 src/gui/AstroCalcDialog.cpp:5672
 #: src/translations.h:83
 msgid "Interstellar objects"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2871
+#: src/gui/AstroCalcDialog.cpp:2904
 msgid "Planets and Sun"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2871
+#: src/gui/AstroCalcDialog.cpp:2904
 msgid "Sun, planets and moons of observer location"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2872
+#: src/gui/AstroCalcDialog.cpp:2905
 #, qt-format
 msgid "Bright Solar system objects (<%1 mag)"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:2873
+#: src/gui/AstroCalcDialog.cpp:2906
 msgid "Moons of first body"
 msgstr ""
 
 #. TRANSLATORS: Type of stars (for "Lists" in the search tool)
-#: src/gui/AstroCalcDialog.cpp:2874 src/gui/AstroCalcDialog.cpp:5667
+#: src/gui/AstroCalcDialog.cpp:2907 src/gui/AstroCalcDialog.cpp:5700
 #: src/translations.h:455
 msgid "Bright carbon stars"
 msgstr ""
 
 #. TRANSLATORS: Type of stars (for "Lists" in the search tool)
-#: src/gui/AstroCalcDialog.cpp:2874 src/gui/AstroCalcDialog.cpp:5668
+#: src/gui/AstroCalcDialog.cpp:2907 src/gui/AstroCalcDialog.cpp:5701
 #: src/translations.h:457
 msgid "Bright barium stars"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:3506
+#: src/gui/AstroCalcDialog.cpp:3539
 msgid "Magnitude vs. Time"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:3507
+#: src/gui/AstroCalcDialog.cpp:3540
 msgid "Phase vs. Time"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:3508
+#: src/gui/AstroCalcDialog.cpp:3541
 msgid "Distance vs. Time"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:3509
+#: src/gui/AstroCalcDialog.cpp:3542
 msgid "Elongation vs. Time"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:3510
+#: src/gui/AstroCalcDialog.cpp:3543
 msgid "Angular size vs. Time"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:3511
+#: src/gui/AstroCalcDialog.cpp:3544
 msgid "Phase angle vs. Time"
 msgstr ""
 
 #. TRANSLATORS: The phrase "Heliocentric distance" may be long in some languages and you can short it to use in the drop-down list.
-#: src/gui/AstroCalcDialog.cpp:3513
+#: src/gui/AstroCalcDialog.cpp:3546
 msgid "Heliocentric distance vs. Time"
 msgstr ""
 
 #. TRANSLATORS: The phrase "Transit altitude" may be long in some languages and you can short it to use in the drop-down list.
-#: src/gui/AstroCalcDialog.cpp:3515
+#: src/gui/AstroCalcDialog.cpp:3548
 msgid "Transit altitude vs. Time"
 msgstr ""
 
 #. TRANSLATORS: The phrase "Right ascension" may be long in some languages and you can short it to use in the drop-down list.
-#: src/gui/AstroCalcDialog.cpp:3517
+#: src/gui/AstroCalcDialog.cpp:3550
 msgid "Right ascension vs. Time"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:3518
+#: src/gui/AstroCalcDialog.cpp:3551
 msgid "Declination vs. Time"
 msgstr ""
 
 #. TRANSLATORS: Mega-meter (SI symbol: Mm; Mega-meter is a unit of length in the metric system,
 #. equal to one million meters)
-#: src/gui/AstroCalcDialog.cpp:3567
+#: src/gui/AstroCalcDialog.cpp:3600
 msgid "Mm"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:3599 src/gui/AstroCalcDialog.cpp:3657
+#: src/gui/AstroCalcDialog.cpp:3632 src/gui/AstroCalcDialog.cpp:3690
 msgid "Angular size"
 msgstr ""
 
 #. TRANSLATORS: The phrase "Heliocentric distance" may be long in some languages and you can abbreviate it.
-#: src/gui/AstroCalcDialog.cpp:3610
+#: src/gui/AstroCalcDialog.cpp:3643
 msgctxt "axis name"
 msgid "Heliocentric distance"
 msgstr ""
 
 #. TRANSLATORS: The phrase "Transit altitude" may be long in some languages and you can abbreviate it.
-#: src/gui/AstroCalcDialog.cpp:3616
+#: src/gui/AstroCalcDialog.cpp:3649
 msgctxt "axis name"
 msgid "Transit altitude"
 msgstr ""
 
 #. TRANSLATORS: The phrase "Right ascension" may be long in some languages and you can abbreviate it.
 #. TRANSLATORS: The phrase "Right ascension" may be long in some languages and you can short it.
-#: src/gui/AstroCalcDialog.cpp:3622 src/gui/AstroCalcDialog.cpp:3680
+#: src/gui/AstroCalcDialog.cpp:3655 src/gui/AstroCalcDialog.cpp:3713
 msgctxt "axis name"
 msgid "Right ascension"
 msgstr ""
 
 #. TRANSLATORS: hours.
-#: src/gui/AstroCalcDialog.cpp:3622 src/gui/AstroCalcDialog.cpp:3680
-#: src/gui/AstroCalcDialog.cpp:3793
+#: src/gui/AstroCalcDialog.cpp:3655 src/gui/AstroCalcDialog.cpp:3713
+#: src/gui/AstroCalcDialog.cpp:3826
 #: plugins/Satellites/src/gui/SatellitesDialog.cpp:799
 #: plugins/Supernovae/src/gui/SupernovaeDialog.cpp:178
 #: plugins/Novae/src/gui/NovaeDialog.cpp:172
@@ -6105,382 +6125,378 @@ msgid "h"
 msgstr ""
 
 #. TRANSLATORS: The phrase "Heliocentric distance" may be long in some languages and you can short it.
-#: src/gui/AstroCalcDialog.cpp:3668
+#: src/gui/AstroCalcDialog.cpp:3701
 msgid "Heliocentric distance"
 msgstr ""
 
 #. TRANSLATORS: The phrase "Transit altitude" may be long in some languages and you can short it.
-#: src/gui/AstroCalcDialog.cpp:3674
+#: src/gui/AstroCalcDialog.cpp:3707
 msgid "Transit altitude"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:3751 src/gui/ObsListDialog.cpp:154
+#: src/gui/AstroCalcDialog.cpp:3784 src/gui/ObsListDialog.cpp:154
 #: src/gui/ObsListCreateEditDialog.cpp:162
 msgid "Date"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:4014
+#: src/gui/AstroCalcDialog.cpp:4047
 #, qt-format
 msgid "Passage of meridian at approximately %1"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:4021
+#: src/gui/AstroCalcDialog.cpp:4054
 msgid "Line of civil twilight"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:4023
+#: src/gui/AstroCalcDialog.cpp:4056
 msgid "Line of nautical twilight"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:4025
+#: src/gui/AstroCalcDialog.cpp:4058
 msgid "Line of astronomical twilight"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:4047
+#: src/gui/AstroCalcDialog.cpp:4080
 msgid "Phenomenon"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:4049
+#: src/gui/AstroCalcDialog.cpp:4082
 msgid "Object 1"
 msgstr ""
 
 #. TRANSLATORS: Magnitude of object 1
-#: src/gui/AstroCalcDialog.cpp:4051
+#: src/gui/AstroCalcDialog.cpp:4084
 msgid "Mag. 1"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:4052
+#: src/gui/AstroCalcDialog.cpp:4085
 msgid "Object 2"
 msgstr ""
 
 #. TRANSLATORS: Magnitude of object 2
-#: src/gui/AstroCalcDialog.cpp:4054
+#: src/gui/AstroCalcDialog.cpp:4087
 msgid "Mag. 2"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:4056
-msgid "Elevation"
-msgstr ""
-
-#: src/gui/AstroCalcDialog.cpp:4085 src/gui/AstroCalcDialog.cpp:4523
-#: src/gui/AstroCalcDialog.cpp:4771
+#: src/gui/AstroCalcDialog.cpp:4118 src/gui/AstroCalcDialog.cpp:4556
+#: src/gui/AstroCalcDialog.cpp:4804
 msgid "Opposition"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:4400
+#: src/gui/AstroCalcDialog.cpp:4433
 msgid "Save calculated phenomena as..."
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:4418 src/gui/AstroCalcDialog.cpp:4420
+#: src/gui/AstroCalcDialog.cpp:4451 src/gui/AstroCalcDialog.cpp:4453
 #: src/ui_astroCalcDialog.h:1817
 msgid "Phenomena"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:4475
+#: src/gui/AstroCalcDialog.cpp:4508
 msgid "Magnitude of first object"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:4478
+#: src/gui/AstroCalcDialog.cpp:4511
 msgid "Magnitude of second object"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:4484
+#: src/gui/AstroCalcDialog.cpp:4517
 msgid "Elevation of first object at moment of phenomena"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:4486 src/gui/AstroCalcDialog.cpp:4629
+#: src/gui/AstroCalcDialog.cpp:4519 src/gui/AstroCalcDialog.cpp:4662
 msgid "Angular distance from the Sun"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:4489 src/gui/AstroCalcDialog.cpp:4630
+#: src/gui/AstroCalcDialog.cpp:4522 src/gui/AstroCalcDialog.cpp:4663
 msgid "Angular distance from the Moon"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:4507 src/gui/AstroCalcDialog.cpp:4682
-#: src/gui/AstroCalcDialog.cpp:4762
+#: src/gui/AstroCalcDialog.cpp:4540 src/gui/AstroCalcDialog.cpp:4715
+#: src/gui/AstroCalcDialog.cpp:4795
 msgid "Conjunction"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:4516
+#: src/gui/AstroCalcDialog.cpp:4549
 msgid "Shadow transit"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:4519 src/gui/AstroCalcDialog.cpp:4526
-#: src/gui/AstroCalcDialog.cpp:4572 src/gui/AstroCalcDialog.cpp:4578
-#: src/gui/AstroCalcDialog.cpp:4774 src/gui/AstroCalcDialog.cpp:4790
-#: src/gui/AstroCalcDialog.cpp:4796
+#: src/gui/AstroCalcDialog.cpp:4552 src/gui/AstroCalcDialog.cpp:4559
+#: src/gui/AstroCalcDialog.cpp:4605 src/gui/AstroCalcDialog.cpp:4611
+#: src/gui/AstroCalcDialog.cpp:4807 src/gui/AstroCalcDialog.cpp:4823
+#: src/gui/AstroCalcDialog.cpp:4829
 msgid "Eclipse"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:4535
+#: src/gui/AstroCalcDialog.cpp:4568
 msgid "Greatest eastern elongation"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:4538
+#: src/gui/AstroCalcDialog.cpp:4571
 msgid "Greatest western elongation"
 msgstr ""
 
 #. TRANSLATORS: The planet are stand still in the equatorial coordinates
-#: src/gui/AstroCalcDialog.cpp:4545
+#: src/gui/AstroCalcDialog.cpp:4578
 msgid "Stationary (begin retrograde motion)"
 msgstr ""
 
 #. TRANSLATORS: The planet are stand still in the equatorial coordinates
-#: src/gui/AstroCalcDialog.cpp:4550
+#: src/gui/AstroCalcDialog.cpp:4583
 msgid "Stationary (begin prograde motion)"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:4556
+#: src/gui/AstroCalcDialog.cpp:4589
 msgid "Perihelion"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:4558
+#: src/gui/AstroCalcDialog.cpp:4591
 msgid "Aphelion"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:4565 src/gui/AstroCalcDialog.cpp:4783
+#: src/gui/AstroCalcDialog.cpp:4598 src/gui/AstroCalcDialog.cpp:4816
 msgctxt "passage of the celestial body"
 msgid "Transit"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:4568 src/gui/AstroCalcDialog.cpp:4687
-#: src/gui/AstroCalcDialog.cpp:4786
+#: src/gui/AstroCalcDialog.cpp:4601 src/gui/AstroCalcDialog.cpp:4720
+#: src/gui/AstroCalcDialog.cpp:4819
 msgid "Occultation"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:4588 src/gui/AstroCalcDialog.cpp:4590
-#: src/gui/AstroCalcDialog.cpp:4809 src/gui/AstroCalcDialog.cpp:4811
+#: src/gui/AstroCalcDialog.cpp:4621 src/gui/AstroCalcDialog.cpp:4623
+#: src/gui/AstroCalcDialog.cpp:4842 src/gui/AstroCalcDialog.cpp:4844
 msgid "Superior conjunction"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:4588 src/gui/AstroCalcDialog.cpp:4590
-#: src/gui/AstroCalcDialog.cpp:4809 src/gui/AstroCalcDialog.cpp:4811
+#: src/gui/AstroCalcDialog.cpp:4621 src/gui/AstroCalcDialog.cpp:4623
+#: src/gui/AstroCalcDialog.cpp:4842 src/gui/AstroCalcDialog.cpp:4844
 msgid "Inferior conjunction"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:4633
+#: src/gui/AstroCalcDialog.cpp:4666
 msgid "Angular distance from the Sun for second object"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:4634
+#: src/gui/AstroCalcDialog.cpp:4667
 msgid "Angular distance from the Moon for second object"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:5593
+#: src/gui/AstroCalcDialog.cpp:5626
 msgctxt "Celestial object is observed..."
 msgid "In the Evening"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:5594
+#: src/gui/AstroCalcDialog.cpp:5627
 msgctxt "Celestial object is observed..."
 msgid "In the Morning"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:5595
+#: src/gui/AstroCalcDialog.cpp:5628
 msgctxt "Celestial object is observed..."
 msgid "Around Midnight"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:5596
+#: src/gui/AstroCalcDialog.cpp:5629
 msgctxt "Celestial object is observed..."
 msgid "In Any Time of the Night"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:5616
+#: src/gui/AstroCalcDialog.cpp:5649
 msgid "Bright stars"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:5617 src/ui_viewDialog.h:3493
+#: src/gui/AstroCalcDialog.cpp:5650 src/ui_viewDialog.h:3493
 msgid "Bright nebulae"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:5619 src/ui_viewDialog.h:3497
+#: src/gui/AstroCalcDialog.cpp:5652 src/ui_viewDialog.h:3497
 #: src/ui_dsoColorsDialog.h:595
 msgid "Galaxies"
 msgstr ""
 
 #. TRANSLATORS: Type of objects (for "Lists" in the search tool)
-#: src/gui/AstroCalcDialog.cpp:5620 src/translations.h:310
+#: src/gui/AstroCalcDialog.cpp:5653 src/translations.h:310
 #: src/ui_viewDialog.h:3500 src/ui_dsoColorsDialog.h:599
 msgid "Open star clusters"
 msgstr ""
 
 #. TRANSLATORS: Type of objects (for "Lists" in the search tool)
-#: src/gui/AstroCalcDialog.cpp:5629 src/translations.h:316
+#: src/gui/AstroCalcDialog.cpp:5662 src/translations.h:316
 #: src/ui_viewDialog.h:3492 src/ui_dsoColorsDialog.h:588
 msgid "Planetary nebulae"
 msgstr ""
 
 #. TRANSLATORS: Type of stars (for "Lists" in the search tool)
-#: src/gui/AstroCalcDialog.cpp:5630 src/translations.h:445
+#: src/gui/AstroCalcDialog.cpp:5663 src/translations.h:445
 msgid "Bright double stars"
 msgstr ""
 
 #. TRANSLATORS: Type of stars (for "Lists" in the search tool)
-#: src/gui/AstroCalcDialog.cpp:5631 src/translations.h:447
+#: src/gui/AstroCalcDialog.cpp:5664 src/translations.h:447
 msgid "Bright variable stars"
 msgstr ""
 
 #. TRANSLATORS: Type of stars (for "Lists" in the search tool)
-#: src/gui/AstroCalcDialog.cpp:5632 src/translations.h:449
+#: src/gui/AstroCalcDialog.cpp:5665 src/translations.h:449
 msgid "Bright stars with high proper motion"
 msgstr ""
 
 #. TRANSLATORS: Type of objects (for "Lists" in the search tool)
-#: src/gui/AstroCalcDialog.cpp:5635 src/translations.h:346
+#: src/gui/AstroCalcDialog.cpp:5668 src/translations.h:346
 #: src/ui_dsoColorsDialog.h:640
 msgid "Supernova candidates"
 msgstr ""
 
 #. TRANSLATORS: Type of objects (for "Lists" in the search tool)
-#: src/gui/AstroCalcDialog.cpp:5636 src/translations.h:348
+#: src/gui/AstroCalcDialog.cpp:5669 src/translations.h:348
 #: src/ui_dsoColorsDialog.h:681
 msgid "Supernova remnant candidates"
 msgstr ""
 
 #. TRANSLATORS: Type of objects (for "Lists" in the search tool)
-#: src/gui/AstroCalcDialog.cpp:5637 src/translations.h:344
+#: src/gui/AstroCalcDialog.cpp:5670 src/translations.h:344
 #: src/ui_viewDialog.h:3499 src/ui_dsoColorsDialog.h:581
 msgid "Supernova remnants"
 msgstr ""
 
 #. TRANSLATORS: Type of stars (for "Lists" in the search tool)
-#: src/gui/AstroCalcDialog.cpp:5638 src/translations.h:372
+#: src/gui/AstroCalcDialog.cpp:5671 src/translations.h:372
 #: src/ui_viewDialog.h:3496 src/ui_dsoColorsDialog.h:694
 msgid "Clusters of galaxies"
 msgstr ""
 
 #. TRANSLATORS: Type of objects (for "Lists" in the search tool)
-#: src/gui/AstroCalcDialog.cpp:5640 src/translations.h:312
+#: src/gui/AstroCalcDialog.cpp:5673 src/translations.h:312
 #: src/ui_viewDialog.h:3502 src/ui_dsoColorsDialog.h:574
 msgid "Globular star clusters"
 msgstr ""
 
 #. TRANSLATORS: Type of objects (for "Lists" in the search tool)
-#: src/gui/AstroCalcDialog.cpp:5641 src/translations.h:374
+#: src/gui/AstroCalcDialog.cpp:5674 src/translations.h:374
 #: src/ui_dsoColorsDialog.h:710
 msgid "Regions of the sky"
 msgstr ""
 
 #. TRANSLATORS: Type of objects (for "Lists" in the search tool)
-#: src/gui/AstroCalcDialog.cpp:5642 src/translations.h:326
+#: src/gui/AstroCalcDialog.cpp:5675 src/translations.h:326
 #: src/ui_viewDialog.h:3491 src/ui_dsoColorsDialog.h:565
 msgid "Active galaxies"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:5647 plugins/Pulsars/src/Pulsars.cpp:72
+#: src/gui/AstroCalcDialog.cpp:5680 plugins/Pulsars/src/Pulsars.cpp:72
 #: plugins/Pulsars/src/Pulsars.cpp:170 plugins/Pulsars/src/Pulsars.cpp:171
 msgid "Pulsars"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:5653
+#: src/gui/AstroCalcDialog.cpp:5686
 msgid "Exoplanetary systems"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:5656
+#: src/gui/AstroCalcDialog.cpp:5689
 msgid "Bright nova stars"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:5658
+#: src/gui/AstroCalcDialog.cpp:5691
 msgid "Bright supernova stars"
 msgstr ""
 
 #. TRANSLATORS: Type of objects (for "Lists" in the search tool)
-#: src/gui/AstroCalcDialog.cpp:5659 src/translations.h:330
+#: src/gui/AstroCalcDialog.cpp:5692 src/translations.h:330
 #: src/ui_viewDialog.h:3498 src/ui_dsoColorsDialog.h:650
 msgid "Interacting galaxies"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:5661
+#: src/gui/AstroCalcDialog.cpp:5694
 msgid "Messier objects"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:5662
+#: src/gui/AstroCalcDialog.cpp:5695
 msgid "NGC/IC objects"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:5663
+#: src/gui/AstroCalcDialog.cpp:5696
 msgid "Caldwell objects"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:5664
+#: src/gui/AstroCalcDialog.cpp:5697
 msgid "Herschel 400 objects"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:5665
+#: src/gui/AstroCalcDialog.cpp:5698
 msgid "Algol-type eclipsing systems"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:5666
+#: src/gui/AstroCalcDialog.cpp:5699
 msgid "The classical cepheids"
 msgstr ""
 
 #. TRANSLATORS: angular size
-#: src/gui/AstroCalcDialog.cpp:5747
+#: src/gui/AstroCalcDialog.cpp:5780
 msgid "Ang. Size"
 msgstr ""
 
 #. TRANSLATORS: IAU Constellation
-#: src/gui/AstroCalcDialog.cpp:5750
+#: src/gui/AstroCalcDialog.cpp:5783
 msgctxt "IAU Constellation"
 msgid "Const."
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:5868 src/ui_astroCalcDialog.h:2013
+#: src/gui/AstroCalcDialog.cpp:5901 src/ui_astroCalcDialog.h:2013
 msgid "Limit angular size:"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:5869 src/ui_astroCalcDialog.h:2011
+#: src/gui/AstroCalcDialog.cpp:5902 src/ui_astroCalcDialog.h:2011
 msgid "Set limits for angular size for visible celestial objects"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:5870 src/ui_astroCalcDialog.h:2015
+#: src/gui/AstroCalcDialog.cpp:5903 src/ui_astroCalcDialog.h:2015
 msgid "Minimal angular size for visible celestial objects"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:5871 src/ui_astroCalcDialog.h:2018
+#: src/gui/AstroCalcDialog.cpp:5904 src/ui_astroCalcDialog.h:2018
 msgid "Maximum angular size for visible celestial objects"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:6140
+#: src/gui/AstroCalcDialog.cpp:6173
 msgid "Limit angular separation:"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:6141
+#: src/gui/AstroCalcDialog.cpp:6174
 msgid "Set limits for angular separation for visible double stars"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:6142
+#: src/gui/AstroCalcDialog.cpp:6175
 msgid "Minimal angular separation for visible double stars"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:6143
+#: src/gui/AstroCalcDialog.cpp:6176
 msgid "Maximum angular separation for visible double stars"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:6510
+#: src/gui/AstroCalcDialog.cpp:6543
 msgid "Save list of objects as..."
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:6530 src/ui_astroCalcDialog.h:1823
+#: src/gui/AstroCalcDialog.cpp:6563 src/ui_astroCalcDialog.h:1823
 msgid "What's Up Tonight"
 msgstr ""
 
 #. TRANSLATORS: Part of unit of measure for mean motion - degrees per day
-#: src/gui/AstroCalcDialog.cpp:6654
+#: src/gui/AstroCalcDialog.cpp:6687
 msgctxt "mean motion"
 msgid "day"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:6706 src/gui/AstroCalcDialog.cpp:6865
+#: src/gui/AstroCalcDialog.cpp:6739 src/gui/AstroCalcDialog.cpp:6898
 msgid "Days from today"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:6707 src/gui/AstroCalcDialog.cpp:6851
+#: src/gui/AstroCalcDialog.cpp:6740 src/gui/AstroCalcDialog.cpp:6884
 msgid "Linear distance"
 msgstr ""
 
-#: src/gui/AstroCalcDialog.cpp:6907
+#: src/gui/AstroCalcDialog.cpp:6940
 msgid "Angular distance between the Moon and selected object"
 msgstr ""
 
@@ -15242,105 +15258,105 @@ msgid "SubPoint (Lat./Long.)"
 msgstr ""
 
 #. TRANSLATORS: TEME (True Equator, Mean Equinox) is an Earth-centered inertial coordinate system
-#: plugins/Satellites/src/Satellite.cpp:380
+#: plugins/Satellites/src/Satellite.cpp:378
 msgid "TEME coordinates"
 msgstr ""
 
 #. TRANSLATORS: TEME (True Equator, Mean Equinox) is an Earth-centered inertial coordinate system
-#: plugins/Satellites/src/Satellite.cpp:387
+#: plugins/Satellites/src/Satellite.cpp:385
 msgid "TEME velocity"
 msgstr ""
 
-#: plugins/Satellites/src/Satellite.cpp:397
+#: plugins/Satellites/src/Satellite.cpp:395
 msgid "Sun reflection angle"
 msgstr ""
 
-#: plugins/Satellites/src/Satellite.cpp:405
-#: plugins/Satellites/src/Satellite.cpp:491
+#: plugins/Satellites/src/Satellite.cpp:403
+#: plugins/Satellites/src/Satellite.cpp:489
 msgctxt "unknown date"
 msgid "unknown"
 msgstr ""
 
-#: plugins/Satellites/src/Satellite.cpp:412
+#: plugins/Satellites/src/Satellite.cpp:410
 msgctxt "at time"
 msgid "at"
 msgstr ""
 
-#: plugins/Satellites/src/Satellite.cpp:414
+#: plugins/Satellites/src/Satellite.cpp:412
 msgid "Last updated TLE"
 msgstr ""
 
-#: plugins/Satellites/src/Satellite.cpp:415
+#: plugins/Satellites/src/Satellite.cpp:413
 msgid "Epoch of the TLE"
 msgstr ""
 
-#: plugins/Satellites/src/Satellite.cpp:417
+#: plugins/Satellites/src/Satellite.cpp:415
 msgid "Radar cross-section (RCS)"
 msgstr ""
 
-#: plugins/Satellites/src/Satellite.cpp:426
+#: plugins/Satellites/src/Satellite.cpp:424
 msgid "Group"
 msgstr ""
 
-#: plugins/Satellites/src/Satellite.cpp:426
+#: plugins/Satellites/src/Satellite.cpp:424
 msgid "Groups"
 msgstr ""
 
-#: plugins/Satellites/src/Satellite.cpp:431
+#: plugins/Satellites/src/Satellite.cpp:429
 msgid "Operational status"
 msgstr ""
 
-#: plugins/Satellites/src/Satellite.cpp:437
+#: plugins/Satellites/src/Satellite.cpp:435
 msgid "Radio communication"
 msgstr ""
 
 #. TRANSLATORS: Unit of measurement of frequency
-#: plugins/Satellites/src/Satellite.cpp:454 plugins/Pulsars/src/Pulsar.cpp:289
+#: plugins/Satellites/src/Satellite.cpp:452 plugins/Pulsars/src/Pulsar.cpp:289
 msgctxt "frequency"
 msgid "MHz"
 msgstr ""
 
-#: plugins/Satellites/src/Satellite.cpp:454
+#: plugins/Satellites/src/Satellite.cpp:452
 msgctxt "frequency"
 msgid "kHz"
 msgstr ""
 
-#: plugins/Satellites/src/Satellite.cpp:718
+#: plugins/Satellites/src/Satellite.cpp:716
 msgctxt "operational status"
 msgid "operational"
 msgstr ""
 
-#: plugins/Satellites/src/Satellite.cpp:719
+#: plugins/Satellites/src/Satellite.cpp:717
 msgctxt "operational status"
 msgid "non-operational"
 msgstr ""
 
-#: plugins/Satellites/src/Satellite.cpp:720
+#: plugins/Satellites/src/Satellite.cpp:718
 msgctxt "operational status"
 msgid "partially operational"
 msgstr ""
 
-#: plugins/Satellites/src/Satellite.cpp:721
+#: plugins/Satellites/src/Satellite.cpp:719
 msgctxt "operational status"
 msgid "standby"
 msgstr ""
 
-#: plugins/Satellites/src/Satellite.cpp:722
+#: plugins/Satellites/src/Satellite.cpp:720
 msgctxt "operational status"
 msgid "spare"
 msgstr ""
 
-#: plugins/Satellites/src/Satellite.cpp:723
+#: plugins/Satellites/src/Satellite.cpp:721
 msgctxt "operational status"
 msgid "extended mission"
 msgstr ""
 
-#: plugins/Satellites/src/Satellite.cpp:724
+#: plugins/Satellites/src/Satellite.cpp:722
 msgctxt "operational status"
 msgid "decayed"
 msgstr ""
 
-#: plugins/Satellites/src/Satellite.cpp:726
+#: plugins/Satellites/src/Satellite.cpp:724
 msgctxt "operational status"
 msgid "unknown"
 msgstr ""
diff --git a/src/gui/AstroCalcDialog.cpp b/src/gui/AstroCalcDialog.cpp
index b83b8d3d10..079638ca9c 100644
--- a/src/gui/AstroCalcDialog.cpp
+++ b/src/gui/AstroCalcDialog.cpp
@@ -338,6 +338,7 @@ void AstroCalcDialog::createDialogContent()
 	connectColorButton(ui->jupiterMarkerColor, "SolarSystem.ephemerisJupiterMarkerColor", "color/ephemeris_jupiter_marker_color");
 	connectColorButton(ui->saturnMarkerColor, "SolarSystem.ephemerisSaturnMarkerColor", "color/ephemeris_saturn_marker_color");
 
+	// Tab: Transits
 	initListTransit();
 	connect(ui->transitsCalculateButton, SIGNAL(clicked()), this, SLOT(generateTransits()));
 	connect(ui->transitsCleanupButton, SIGNAL(clicked()), this, SLOT(cleanupTransits()));
@@ -345,6 +346,7 @@ void AstroCalcDialog::createDialogContent()
 	connect(ui->transitTreeWidget, SIGNAL(doubleClicked(QModelIndex)), this, SLOT(selectCurrentTransit(QModelIndex)));
 	connect(objectMgr, SIGNAL(selectedObjectChanged(StelModule::StelModuleSelectAction)), this, SLOT(setTransitCelestialBodyName()));
 
+	// Tab: Eclipses
 	initListLunarEclipse();
 	connect(ui->lunareclipsesCalculateButton, SIGNAL(clicked()), this, SLOT(generateLunarEclipses()));
 	connect(ui->lunareclipsesCleanupButton, SIGNAL(clicked()), this, SLOT(cleanupLunarEclipses()));
@@ -541,6 +543,7 @@ void AstroCalcDialog::createDialogContent()
 	ui->ephemerisPushButton->setShortcut(QKeySequence("Shift+F10"));
 	ui->transitsCalculateButton->setShortcut(QKeySequence("Shift+F10"));
 	ui->phenomenaPushButton->setShortcut(QKeySequence("Shift+F10"));
+	ui->lunareclipsesCalculateButton->setShortcut(QKeySequence("Shift+F10"));
 
 	// Let's improve visibility of the text
 	QString style = "QLabel { color: rgb(238, 238, 238); }";
@@ -2197,7 +2200,8 @@ void AstroCalcDialog::setLunarEclipseHeaderNames()
 	// TRANSLATORS: The name of column in AstroCalc/Eclipses tool
 	lunareclipseHeader << qc_("Penumbral eclipse magnitude", "column name");
 	// TRANSLATORS: The name of column in AstroCalc/Eclipses tool
-	lunareclipseHeader << qc_("Umbral eclipse magnitude", "column name");
+	lunareclipseHeader << qc_("Umbral eclipse magnitude", "column name");	
+	lunareclipseHeader << q_("Elevation");
 	ui->lunareclipseTreeWidget->setHeaderLabels(lunareclipseHeader);
 
 	// adjust the column width
@@ -2260,11 +2264,18 @@ void AstroCalcDialog::generateLunarEclipses()
 		startJD = startJD - core->getUTCOffset(startJD) / 24.;
 		stopJD = stopJD - core->getUTCOffset(stopJD) / 24.;
 		int elements = static_cast<int>((stopJD - startJD) / 29.530588853);
-		QString SarosStr, EclipseTypeStr, uMagStr, pMagStr, gammaStr;
+		QString sarosStr, eclipseTypeStr, uMagStr, pMagStr, gammaStr, elevationStr, visibilityConditionsStr;
 
 		const bool saveTopocentric = core->getUseTopocentricCoordinates();
 		const double approxJD = 2451550.09765;
 		const double synodicMonth = 29.530588853;
+		const bool withDecimalDegree = StelApp::getInstance().getFlagShowDecimalDegrees();
+		bool sign;
+
+		static SolarSystem* ssystem = GETSTELMODULE(SolarSystem);
+		PlanetP moon = ssystem->getMoon();
+		PlanetP sun = ssystem->getSun();
+		PlanetP earth = ssystem->getEarth();
 
 		// Find approximate JD of Full Moon = Geocentric opposition in longitude
 		double temp = (startJD - approxJD - (synodicMonth * 0.5)) / synodicMonth;
@@ -2283,21 +2294,20 @@ void AstroCalcDialog::generateLunarEclipses()
 				core->setUseTopocentricCoordinates(false);
 				core->update(0);
 
-				static SolarSystem* ssystem = GETSTELMODULE(SolarSystem);
-				double raSun, deSun, raMoon, deMoon, lSun1, bSun, bMoon, lMoon1, lSun2, lMoon2;
+				double raSun, deSun, raMoon, deMoon, lSun1, bSun, bMoon, lMoon1, lSun2, lMoon2, az, alt, altitude;
 
-				StelUtils::rectToSphe(&raSun, &deSun, ssystem->getSun()->getEquinoxEquatorialPos(core));
-				StelUtils::rectToSphe(&raMoon, &deMoon, ssystem->getMoon()->getEquinoxEquatorialPos(core));
-				double obl=ssystem->getEarth()->getRotObliquity(core->getJD());
+				StelUtils::rectToSphe(&raSun, &deSun, sun->getEquinoxEquatorialPos(core));
+				StelUtils::rectToSphe(&raMoon, &deMoon, moon->getEquinoxEquatorialPos(core));
+				double obl=earth->getRotObliquity(core->getJD());
 				StelUtils::equToEcl(raSun, deSun, obl, &lSun1, &bSun);
 				StelUtils::equToEcl(raMoon, deMoon, obl, &lMoon1, &bMoon);
 
 				core->setJD(JD2);
 				core->update(0);
 
-				StelUtils::rectToSphe(&raSun, &deSun, ssystem->getSun()->getEquinoxEquatorialPos(core));
-				StelUtils::rectToSphe(&raMoon, &deMoon, ssystem->getMoon()->getEquinoxEquatorialPos(core));
-				obl=ssystem->getEarth()->getRotObliquity(core->getJD());
+				StelUtils::rectToSphe(&raSun, &deSun, sun->getEquinoxEquatorialPos(core));
+				StelUtils::rectToSphe(&raMoon, &deMoon, moon->getEquinoxEquatorialPos(core));
+				obl=earth->getRotObliquity(core->getJD());
 				StelUtils::equToEcl(raSun, deSun, obl, &lSun2, &bSun);
 				StelUtils::equToEcl(raMoon, deMoon, obl, &lMoon2, &bMoon);
 
@@ -2353,13 +2363,12 @@ void AstroCalcDialog::generateLunarEclipses()
 
 				// Check for eclipse
 				// Algorithm taken from Planet::getLunarEclipseMagnitudes()
-				QPair<double,double> XY = getLunarEclipseXY();
-				XY = getLunarEclipseXY();
+				QPair<double,double> XY = getLunarEclipseXY();				
 				double x = XY.first;
 				double y = XY.second;
 
-				const double dist=ssystem->getMoon()->getEclipticPos().length();  // geocentric Lunar distance [AU]
-				const double mSD=atan(ssystem->getMoon()->getEquatorialRadius()/dist) * M_180_PI*3600.; // arcsec
+				const double dist=moon->getEclipticPos().length();  // geocentric Lunar distance [AU]
+				const double mSD=atan(moon->getEquatorialRadius()/dist) * M_180_PI*3600.; // arcsec
 				const QPair<Vec3d,Vec3d>shadowRadii=ssystem->getEarthShadowRadiiAtLunarDistance();
 				const double f1 = shadowRadii.second[0]; // radius of penumbra at the distance of the Moon
 				const double f2 = shadowRadii.first[0];  // radius of umbra at the distance of the Moon
@@ -2372,9 +2381,29 @@ void AstroCalcDialog::generateLunarEclipses()
 				
 				if (pMag>0.)
 				{
-					EclipseTypeStr = qc_("Penumbral", "eclipse type");
-					if (uMag>=1.) EclipseTypeStr = qc_("Total", "eclipse type");
-					if (uMag>0. && uMag<1.) EclipseTypeStr = qc_("Partial", "eclipse type");
+					if (uMag>=1.)
+						eclipseTypeStr = qc_("Total", "eclipse type");
+					else if (uMag>0.)
+						eclipseTypeStr = qc_("Partial", "eclipse type");
+					else
+						eclipseTypeStr = qc_("Penumbral", "eclipse type");
+
+					// Visibility conditions / Elevation of the Moon at max. phase of eclipse
+					StelUtils::rectToSphe(&az, &alt, moon->getAltAzPosAuto(core));
+					StelUtils::radToDecDeg(alt, sign, altitude);
+					elevationStr = (withDecimalDegree ? StelUtils::radToDecDegStr(alt) : StelUtils::radToDmsStr(alt));
+					if (altitude >= 45.) // Perfect conditions
+						visibilityConditionsStr = q_("Perfect visibility conditions for current location");
+					else if (altitude >= 13.) // "Photometric altitude"
+						visibilityConditionsStr = q_("Good visibility conditions for current location");
+					else
+						visibilityConditionsStr = q_("Bad visibility conditions for current location");
+					if (!sign)
+					{
+						elevationStr = dash;
+						visibilityConditionsStr = q_("The eclipse is invisible in current location");
+						altitude *= -1.;
+					}
 
 					// Saros series calculations - useful to search for eclipses in the same Saros
 					// Adapted from Saros calculations for solar eclipses in Sky & Telescope (October 1985)
@@ -2397,7 +2426,7 @@ void AstroCalcDialog::generateLunarEclipses()
 					double gamma = m*0.2725/mSD;
 					if (y<0.) gamma = -(gamma);
 
-					SarosStr = QString("%1").arg(QString::number(saros));
+					sarosStr = QString("%1").arg(QString::number(saros));
 					gammaStr = QString("%1").arg(QString::number(gamma, 'f', 3));
 					pMagStr = QString("%1").arg(QString::number(pMag, 'f', 3));
 					
@@ -2413,18 +2442,22 @@ void AstroCalcDialog::generateLunarEclipses()
 					ACLunarEclipseTreeWidgetItem* treeItem = new ACLunarEclipseTreeWidgetItem(ui->lunareclipseTreeWidget);
 					treeItem->setText(LunarEclipseDate, QString("%1 %2").arg(localeMgr->getPrintableDateLocal(JDmid), localeMgr->getPrintableTimeLocal(JDmid))); // local date and time
 					treeItem->setData(LunarEclipseDate, Qt::UserRole, JDmid);
-					treeItem->setText(LunarEclipseSaros, SarosStr);
-					treeItem->setText(LunarEclipseType, EclipseTypeStr);
+					treeItem->setText(LunarEclipseSaros, sarosStr);
+					treeItem->setText(LunarEclipseType, eclipseTypeStr);
 					treeItem->setText(LunarEclipseGamma, gammaStr);
 					treeItem->setText(LunarEclipsePMag, pMagStr);
 					treeItem->setData(LunarEclipsePMag, Qt::UserRole, pMag);
 					treeItem->setText(LunarEclipseUMag, uMagStr);
 					treeItem->setData(LunarEclipseUMag, Qt::UserRole, uMag);
+					treeItem->setText(LunarEclipseElevation, elevationStr);
+					treeItem->setData(LunarEclipseElevation, Qt::UserRole, altitude);
+					treeItem->setToolTip(LunarEclipseElevation, visibilityConditionsStr);
 					treeItem->setTextAlignment(LunarEclipseDate, Qt::AlignRight);
 					treeItem->setTextAlignment(LunarEclipseSaros, Qt::AlignRight);
 					treeItem->setTextAlignment(LunarEclipseGamma, Qt::AlignRight);
 					treeItem->setTextAlignment(LunarEclipsePMag, Qt::AlignRight);
 					treeItem->setTextAlignment(LunarEclipseUMag, Qt::AlignRight);
+					treeItem->setTextAlignment(LunarEclipseElevation, Qt::AlignRight);
 				}
 			}
 		}
diff --git a/src/gui/AstroCalcDialog.hpp b/src/gui/AstroCalcDialog.hpp
index d7aac515d8..96887f462a 100644
--- a/src/gui/AstroCalcDialog.hpp
+++ b/src/gui/AstroCalcDialog.hpp
@@ -162,13 +162,14 @@ public:
 	//! Defines the number and the order of the columns in the lunar eclipse table
 	//! @enum LunarEclipseColumns
 	enum LunarEclipseColumns {
-		LunarEclipseDate,            //! date and time of lunar eclipse
-		LunarEclipseSaros,           //! Saros number
-		LunarEclipseType,            //! type of lunar eclipse
-		LunarEclipseGamma,           //! Gamma of lunar eclipse
-		LunarEclipsePMag,            //! penumbral magnitude of lunar eclipse
-		LunarEclipseUMag,            //! umbral magnitude of lunar eclipse
-		LunarEclipseCount            //! total number of columns
+		LunarEclipseDate,		//! date and time of lunar eclipse
+		LunarEclipseSaros,		//! Saros number
+		LunarEclipseType,		//! type of lunar eclipse
+		LunarEclipseGamma,		//! Gamma of lunar eclipse
+		LunarEclipsePMag,		//! penumbral magnitude of lunar eclipse
+		LunarEclipseUMag,		//! umbral magnitude of lunar eclipse
+		LunarEclipseElevation,	//! elevation of the Moon (e.g. visibility conditions)
+		LunarEclipseCount		//! total number of columns
 	};
 
 	AstroCalcDialog(QObject* parent);
@@ -680,7 +681,7 @@ private:
 	{
 		int column = treeWidget()->sortColumn();
 
-		if (column == AstroCalcDialog::LunarEclipseDate || column == AstroCalcDialog::LunarEclipsePMag || column == AstroCalcDialog::LunarEclipseUMag)
+		if (column == AstroCalcDialog::LunarEclipseDate || column == AstroCalcDialog::LunarEclipsePMag || column == AstroCalcDialog::LunarEclipseUMag || column == AstroCalcDialog::LunarEclipseElevation)
 		{
 			return data(column, Qt::UserRole).toFloat() < other.data(column, Qt::UserRole).toFloat();
 		}