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October 2003

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Day Moonage Phenomenon (JST)
1 Wed 5.0 16:52 Moon passes 11°21.4' south of Pluto
2 Thu 6.0
3 Fri 7.0 02:04 Moon is at the southernmost (Decl.: -26°57.8')
04:09 First quarter moon
13:11 Comet C/2002J4 (NEAT) passes the perihelion
18:31 Algol is its minimum brightness
4 Sat 8.0
5 Sun 9.0 S-CrB is its maximum brightness (Mag: 5.8-14.1, Period: 360 days)
09:01 Moon passes 05°14.7' south of Neptune
6 Mon 10.0 U-Cyg is its maximum brightness (Mag: 5.9-12.1, Period: 463 days)
19:04 Moon passes 04°39.2' south of Uranus
23:55 Moon passes 01°03.4' south of Mars (occultation of Mars around New Zealand)
7 Tue 11.0
8 Wed 12.0 `Juusan ya'
04:33 Uranus approaches closest to Mars (03°35.9')
9 Thu 13.0 R-Cnc is its maximum brightness (Mag: 6.1-11.8, Period: 362 days)
R-LMi is its maximum brightness (Mag: 6.3-13.2, Period: 372 days)
02:01 `Kanro' (Longitude of the sun reaches 195 degrees)
05h γ-Draconids (Giacobinids) meteor shower is at the peak (Oct.7 - Oct.11)
07:20 Saturn is at the western quadrature (Mag: 0.1, Dia.: 18.5", long side of the ring; 41.9")
19:26 Comet 53P/Van Biesbroeck (Period: 12.5 years) passes the perihelion
23:57 Moon passes the equator, to the northern hemisphere
10 Fri 14.0 16:27 Full Moon
11 Sat 15.0
12 Sun 16.0
13 Mon 17.0 National holiday in Japan (`Taiiku no hi')
U-Ari is its maximum brightness (Mag: 7.2-15.2, Period: 371 days)
14 Tue 18.0 11h Moon is at the farthest from the Earth (1.055, 405,694km, Dia.: 29'27")
15 Wed 19.0
16 Thu 20.0 R-Aql is its maximum brightness (Mag: 5.5-12.0, Period: 284 days)
17 Fri 21.0 12:41 Moon is at the northernmost (Decl.: +27°03.3')
22:01 Moon passes 04°53.9' north of Saturn
18 Sat 22.0 02:34 Algol is its minimum brightness
14:31 Moon approaches closest to Asteroid Ceres (02°47.0')
21:31 Last quarter moon
19 Sun 23.0 03h Asteroid (4197) 1982 TA approaches closest to the Earth (0.18660AU)
20 Mon 24.0 23:23 Algol is its minimum brightness
21 Tue 25.0 04:47 Midautumn day (`Doyou') (Longitude of the sun reaches 207 degrees)
22h Orionids meteor shower is at the peak (Oct.10 - Nov.5)
22 Wed 26.0 07:39 Venus approaches closest to α-Lib2 (00°07.3')
08:01 Moon passes 04°21.8' north of Jupiter
23 Thu 27.0 02:06 Asteroid Pallas is at the opposition (Mag: 10.7)
08:37 Neptune is at the apogee (R.A.: 20h51.4m)
20:12 Algol is its minimum brightness
24 Fri 28.0 05:08 `Soukou' (Longitude of the sun reaches 210 degrees)
07:59 Moon passes the equator, to the southern hemisphere
10:27 Occultaion of γ-Vir (Mag: 2.9) (immersion time at Tokyo)
25 Sat 29.0 R-Crv is its maximum brightness (Mag: 6.7-14.4, Period: 317 days)
10:12 Mercury is at the superior conjunction (00°42.0 north of Sun', Mag: -1.4, Dia.: 04.7")
21:14 Moon passes 01°12.1' north of Mercury (occultation of Mercury around Europe)
21:50 New Moon
22:33 Mercury approaches closest to Sun (00°36.5')
26 Sun 0.6 09:02 Saturn is at the apogee (R.A.: 06h57.2m)
21h Moon is at the nearest from the Earth (0.933, 358,541km, Dia.: 33'20")
27 Mon 1.6 04:55 Moon passes 00°04.6' south of Venus (occultation of Venus around Hawaii, South Pacific Ocean, and South America)
20:10 Moon approaches closest to Asteroid Vesta (03°35.3')
28 Tue 2.6 22h Asteroid (31662) 1999 HP11 approaches closest to the Earth (0.12900AU)
29 Wed 3.6 01:46 Moon passes 11°21.9' south of Pluto
30 Thu 4.6 T-Hya is its maximum brightness (Mag: 6.7-13.5, Period: 299 days)
08:58 Moon is at the southernmost (Decl.: -27°05.5')
31 Fri 5.6

Special Thanks to Shirakawa Astronomical Observatory


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