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January 2003

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Day Moonage Phenomenon (JST)
1 Wed 27.8 `Ganjitsu' (New Year's Day) (Sunrise: Sapporo 07:06, Tokyo 06:51, Osaka 07:05, Fukuoka 07:23)
03:19 λ-Tau is its minimum brightness
14:14 Moon passes 10°12.0' south of Pluto
2 Thu 28.8 R-Ser is its maximum brightness (Mag: 5.1-14.4, Period: 356 days)
19:35 Mercury is at the apogee (R.A.: 20h02.1m)
22:12 Ganymede hides Io (partial occultation, duration: 7.9min., extinction: 8%)
23:11 Venus approaches closest to γ-Lib (00°49.0')
3 Fri 0.3 01:58 Moon is at the southernmost (Decl.: -25°46.9')
05:23 New Moon
4 Sat 1.3 T-Hya is its maximum brightness (Mag: 6.7-13.5, Period: 299 days)
08:17 Moon passes 04°40.9' south of Mercury
09h ι-Draconids meteor shower is at the peak (Jan.1 - Jan.7)
13:58 Earth passses the perihelion (0.9833204AU, solar Dia.: 32'32")
5 Sun 2.3 R-Dra is its maximum brightness (Mag: 6.7-13.2, Period: 246 days)
02:11 λ-Tau is its minimum brightness
04:05 Moon passes 04°42.5' south of Neptune
10:56 Saturn approaches closest to M1 (Crab nebula) (00°01.0')
6 Mon 3.3 03:28 `Shokan' (Longitude of the sun reaches 285 degrees)
10:24 Moon passes 04°35.9' south of Uranus
7 Tue 4.3 19:52 Venus approaches closest to θ-Lib (00°05.8')
8 Wed 5.3 04:05 Europa hides Io (partial occultation, duration: 8.1min., extinction: 5%)
9 Thu 6.3 01:04 λ-Tau is its minimum brightness
10 Fri 7.3 01:53 Moon approaches closest to Asteroid Ceres (03°52.4')
02:38 Moon passes the equator, to the northern hemisphere
02:41 Algol is its minimum brightness
22:04 Io enters Europa's shadow (partial occultation by the umbra, duration: 19.0min., extinction: 40%)
22:15 First quarter moon
23:59 Europa hides Io (partial occultation, duration: 9.8min., extinction: 1%)
11 Sat 8.3 10h Moon is at the farthest from the Earth (1.052, 404,348km, Dia.: 29'33")
11:26 Venus is at the western greatest elongation (46°57.7', Mag: -4.4, Dia.: 24.8")
12 Sun 9.3 00:25 Mercury is at the inferior conjunction (02°56.5' north of Sun, Mag: 4.7, Dia.: 10.0")
02:26 Mercury approaches closest to Sun (02°56.1', Mag: 4.7, Dia.: 10.0")
23:30 Algol is its minimum brightness
23:57 λ-Tau is its minimum brightness
13 Mon 10.3 National Holiday in Japan (`Seijin no hi')
S-Peg is its maximum brightness (Mag: 6.9-13.8, Period: 319 days)
20:39 Ganymede enters Europa's shadow (partial occultation by the umbra, duration: 22.7min., extinction: 22%)
22:51 Europa hides Ganymede (partial occultation, duration: 16.8min., extinction: 17%)
14 Tue 11.3
15 Wed 12.3 20:19 Algol is its minimum brightness
16 Thu 13.3 04:43 Moon passes 02°38.4' north of Saturn
22:49 λ-Tau is its minimum brightness
17 Fri 14.3 11:13 Moon is at the northernmost (Decl.: +25°47.5')
19:20 Callisto hides Io (partial occultation, duration: 7.2min., extinction: 28%)
22:08 Midwinter day (Longitude of the sun reaches 297 degrees)
18 Sat 15.3 19:36 Europa hides Io (partial occultation, duration: 5.9min., extinction: 4%)
19:48 Full Moon
21:36 Callisto hides Io (partial occultation, duration: 10.6min., extinction: 68%)
19 Sun 16.3 01:48 Comet C/2001 RX14 (LINEAR) passses the perihelion
23:31 Moon passes 04°01.1' north of Jupiter
20 Mon 17.3 20:53 `Daikan' (Longitude of the sun reaches 300 degrees)
21:42 λ-Tau is its minimum brightness
23:33 Occultation of η-Leo (Mag: 3.6) (immersion time at Tokyo)
21 Tue 18.3 23:06 Comet 116P/Wild4 (Period: 6.5 years) passses the perihelion
22 Wed 19.3
23 Thu 20.3 07:47 Mercury is at the apogee (R.A.: 18h52.3m)
23:11 Moon passes the equator, to the southern hemisphere
24 Fri 21.3 00:52 Moon approaches closest to Asteroid Vesta (04°11.9')
07h Moon is at the nearest from the Earth (0.962, 369,896km, Dia.: 32'18")
20:35 λ-Tau is its minimum brightness
25 Sat 22.3 17:33 Last quarter moon
21:50 Europa hides Io (partial occultation, duration: 4.8min., extinction: 3%)
22:33 Europa hides Callisto (annular occultation, 0.8min., duration: 7.2min., extinction: 17%)
26 Sun 23.3 10:25 Asteroid Vesta (Mag: 7.1) approaches closest to δ-Vir (00°00.3')
13:46 Venus passes 06°12.7' south of Pluto
23:58 Io hides Callisto (annular occultation, 0.9min., duration: 6.8min., extinction: 18%)
27 Mon 24.3
28 Tue 25.3 00:10 Moon passes 00°25.6' south of Mars (occultation of Mars around South Pacific Ocean)
19:28 λ-Tau is its minimum brightness
22:59 Moon passes 10°25.0' south of Pluto
29 Wed 26.3 03:41 Moon passes 04°18.2' south of Venus
30 Thu 27.3 09:30 Moon is at the southernmost (Decl.: -25°49.9')
15:24 Occultaion of σ-Sgr (Mag: 2.1) (immersion time at Naha)
18:34 Moon passes 04°45.9' south of Mercury
31 Fri 28.3 RR-Sco is its maximum brightness (Mag: 5.0-12.4, Period: 281 days)
08:21 Neptune is at the conjunction (00°02.1' south of Sun, Mag: 8.0, Dia.: 02.2")

Special Thanks to Shirakawa Astronomical Observatory


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