The Solar Almanac

This month's events in astronomy.

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Highlights
 

Big, Bright Mars

Mars reaches opposition this month, and makes its closest approach to Earth for the next 2 years. From Winter to Summer, Mars will be tracing out this loop in the sky. Leo is on the left, Gemini is on the right.
Map: Overhead, about midnight.
Visibility: Worldwide.
Duration: First half of 2010.

 

 31 days hath January 2010. 

This almanac was computed for the customer at:

Location:

somewhere in California USA

Latitude:

35°00'00" N

Longitude:

120°00'00" W

Color Key:  event occurs in daylight   moonlit night   starry night 

 All times are PT. 

Friday
1
January 2010
04:48:22  Mercury Dims to +3.00.
07:08:02  .
07:57:40  .
12:40:12  Moon at , 222 875 miles.
16:59:27  .
18:24:34  .
Saturday
2
January 2010
07:08:12  .
08:41:13  .
14:03:36  Sun Closest Approach to Earth, 91 397 586 miles.
14:03:36  Sun at , 91 397 586 miles.
16:16:24  Mercury Dims to +4.00.
17:00:13  .
19:39:33  .
Sunday
3
January 2010
06:02:39  Sun at Greatest , -26.64.
07:08:20  .
08:35:34  Venus Least from 1566-Icarus, 02°32'17".
09:18:35  .
17:01:01  .
18:28:21  Venus 2.6°N of 1566-Icarus.
20:51:57  .
Monday
4
January 2010
07:08:26  .
08:08:26  Sun 2.7°S of Mercury.
08:24:03  Sun Least from Mercury, 02°41'19".
09:34:28  Mercury at Least , +4.77.
09:51:48  .
11:00:27  Mercury in with Sun.
17:01:50  .
22:01:27  .
23:18:23  Mercury 3.4°N of Venus.
23:31:18  Mercury Least from Venus, 03°25'32".
Tuesday
5
January 2010
04:40:39  Mercury Closest Approach to Earth, 62 420 091 miles.
07:08:31  .
10:22:48  .
17:02:39  .
23:08:36  .
Wednesday
6
January 2010
03:01:57  Mercury Brightens to +4.00.
07:08:33  .
10:53:14  .
17:03:30  .
Thursday
7
January 2010
00:14:14  .
01:10:50  Moon at .
02:39:19  Moon at Western .
02:39:19  Moon at .
05:41:18  Saturn Southernmost , 00°17'23".
07:08:34  .
07:08:34  Sun Latest .
10:59:36  4-Vesta Brightens to +7.00.
11:24:40  .
11:35:36  4-Vesta Stationary in , 10h42m09s.
17:04:22  .
18:07:49  Mercury Brightens to +3.00.
23:19:27  Mercury Northernmost , -19°50'20".
Friday
8
January 2010
01:18:55  .
07:08:32  .
11:58:31  .
17:05:15  .
17:33:19  Pluto Southernmost , -18°18'05".
Saturday
9
January 2010
02:22:35  .
07:08:29  .
12:36:08  .
17:06:09  .
17:06:09  433-Eros , 64°07'06".
18:25:37  Mercury Brightens to +2.00.

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Venus and Mercury for 2010

 
The Evening Star is returning. In January, Venus will appear in the west-southwest at sunset, then head north, and by November will disappear in the place it first appeared.

Mercury appears in the sunset three times in 2010, peaking on April 8, July 26, and December 5.
Map: Looking west at sunset. Venus is shown in lavender, Mercury in pink. Observer's horizon is at bottom, zenith is up.
Visibility: Binoculars helpful.
Duration: All year.

Sunday
10
January 2010
03:24:28  .
07:08:24  .
13:18:31  .
17:07:03  .
20:48:45  Mars Brightens to -1.00.
23:08:15  Sun 0.8°N of Venus.
Monday
11
January 2010
00:33:26  1566-Icarus Southernmost , -26°04'32".
00:35:08  Sun Least from Venus, 00°48'52".
04:23:06  .
07:08:17  .
11:41:08  Venus in with Sun.
14:06:09  .
17:07:58  .
Tuesday
12
January 2010
00:33:16  Moon Southernmost , -25°47'48".
05:16:54  .
07:08:08  .
10:07:46  Moon Lowest Upper , 29°18'09" high.
14:58:35  .
17:08:54  .
19:37:12  Mercury Brightens to +1.00.
Wednesday
13
January 2010
06:04:46  .
07:07:57  .
07:32:37  Venus Greatest Distance from Earth, 159 065 273 miles.
15:54:33  .
17:09:51  .

Venus and Mercury in the Sunrise

 
Venus returns to the dawn sky about November 1, reaching its high point on December 15, 2010.
Mercury peaks on January 21, June 2, and September 20.
Map: Looking east at dawn. Venus is shown in lavender, Mercury in pink. Observer's horizon is at bottom, zenith is up.
Visibility: Binoculars helpful.
Duration: All year.
Thursday
14
January 2010
05:33:13  Moon Least from 1566-Icarus, 02°42'46".
05:57:14  Moon 2.7°N of 1566-Icarus.
06:46:29  .
07:07:44  .
10:23:06  Saturn Stationary in , 12h20m51s.
16:48:41  Mercury Least from Pluto, 02°42'17".
16:52:14  .
17:10:48  .
17:55:37  Venus 4.3°E of Moon.
22:18:17  Sun 0.8°E of Moon.
23:11:03  Moon in with Sun.
23:11:03  Moon at .
23:31:21  Sun Least from Moon, 00°10'48".
23:31:21  Solar Eclipse, 0645 to 0817 UT.
23:35:06  Sun 0.2°S of Moon.
Friday
15
January 2010
Annular Eclipse of the Sun
(details from NASA)
00:52:44  Venus Least from Moon, 01°07'40".
01:13:43  Venus 1.1°S of Moon.
07:07:30  .
07:22:35  .
07:45:26  Mercury Stationary in , 18h23m35s.
17:11:46  .
17:50:09  .

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was conceived, computed, and produced for the web by:

J. E. Brown

Copyright © 2006-2010 J. E. Brown all rights reserved

Concepts: Diary of Phenomena, Ephemeris, Occultations, Planetary Phenomena, Phases of the Moon, Moon Phases, Elongations, Magnitudes, Risings, Settings, Geocentric, Planets, Asteroids, Conjunctions, Oppositions, Stationary Points, Perihelion, Aphelion