January 2000

January 2000

2000

2001

2002

2003

Day		Moonage	Phenomenon (JST)
1	Sat	24.2	New Year's Day (Ganjitsu)Sunrise(Sapporo 07:06,Tokyo 06:50,Osaka 07:05,Fukuoka 07:23)
2	Sun	25.2	23:47 Comet 9P/Tempel1 passses perihelion(Period 5.51 years)
3	Moon	26.2	S-CMi is at maximum brightness (Mag:6.6-13.2, Period 333 days)
			04:28 Delta-Lib is at minimum brightness
			12:46 Moon passes 02o36'.4 north of Venus
			14:18 Earth passses perihelion(0.9833215AU)
			20:45 Moon is closest to Asteroid Vesta (00o09'.5)(Occultation of Vesta in South America)
4	Tue	27.2	07:41 Moon passes 06o48'.6 south of Pluto
			21h Moon is farthest from the Earth 1.057(406,413km, Dia.:29'24")
			22h Iota-Dra meteor shower is at peak(Jan.1-Jan.5)
5	Wed	28.2	01:30 Algol is at minimum brightness
			05:26 C/1999L3(LINEAR) passses perihelion
6	Thu	29.2	10:01 Longitude of the sun reaches 285 degrees
			14:49 Moon passes 03o34'.9 north of Mercury
			18:41 Moon is at south most(Decl.:-20o57'.4)
7	Fri	0.4	03:14 New Moon
			22:19 Algol is at minimum brightness
8	Sat	1.4	02:35 Venus is closest to Asteroid Vesta (02o19'.9)
			14:38 Moon passes 00o12'.9 south of Neptune(Occultation of Neptune in Australia)
9	Sun	2.4	13:50 Moon passes 00o24'.6 south of Uranus(Occultation of Uranus in Australia)
10	Moon	3.4	National Holiday in Japan (Seijin no hi)
			01:52 Lambda-Tau is at minimum brightness
			04:02 Delta-Lib is at minimum brightness
			19:08 Algol is at minimum brightness
11	Tue	4.4	03:36 Moon passes 01o53'.5 south of Mars
			05:47 Venus passes 09o11'.6 south of Pluto
12	Wed	5.4	03:25 Comet 114P/Wiseman-Skiff passses perihelion(Period 6.66 years)
13	Thu	6.4	10:41 Saturn is at apogee(R.A.:02h34m.6)
			23:58 Jupiter is most at east(Mag:-2.5,Dia.:40".9)
14	Fri	7.4	00:38 Moon passes equator, to northern hemisphere
			00:45 Lambda-Tau is at minimum brightness
			22:34 First quarter moon
15	Sat	8.4	00:00 Moon passes 04o19'.2 south of Jupiter
			20:48 Mercury is at exferrior conjunction(02o00'.7,Mag:-1.2,Dia.:04".7 south of Sun)
16	Sun	9.4	01:46 Moon passes 03o02'.5 south of Saturn
			06:09 Mercury is closest to Sun (01o59'.8)
17	Moon	10.4	03:35 Delta-Lib is at minimum brightness
			23:38 Lambda-Tau is at minimum brightness
18	Tue	11.4	04:38 Longitude of the sun reaches 297 degrees
			05:25 Asteroid Pallas is at opposition(Mag:7.5)
19	Wed	12.4	T-Her is at maximum brightness (Mag:6.8-13.7, Period 165 days)
20	Thu	13.4	07:30 Moon is at north most(Decl.:+20o56'.6)
			08h Moon is nearest to the Earth 0.935(359,364km,Dia.:33'15")
21	Fri	14.4	03:23 Longitude of the sun reaches 300 degrees
			06:58 Mercury passes 02o23'.4 south of Neptune
			13:40 Full Moon(Total lunar eclipse in North America)
			15:04 Mercury is closest to Neptune (02o19'.4)
			22:30 Lambda-Tau is at minimum brightness
22	Sat	15.4
23	Sun	16.4	10h Heliocentric latitude of Mercury is most at south
24	Moon	17.4	03:08 Delta-Lib is at minimum brightness
25	Tue	18.4	01:46 Neptune is at conjunction(00o14'.2 north of Sun)
			03:15 Algol is at minimum brightness
			21:23 Lambda-Tau is at minimum brightness
26	Wed	19.4	14:57 Moon passes equator, to southern hemisphere
27	Thu	20.4	11:20 Saturn is most at east(Mag:0.3, Dia.:18".3,Ring:41".4)
28	Fri	21.4	R-Ser is at maximum brightness (Mag:5.2-14.4, Period 356 days)
			00:04 Algol is at minimum brightness
			13:19 Mercury passes 01o18'.6 south of Uranus
			16:57 Last quarter moon
			19:33 Mercury is closest to Uranus (01o14'.2)
29	Sat	22.4	20:16 Lambda-Tau is at minimum brightness
30	Sun	23.4	15:04 Jupiter(Mag:-2.3) is closest Omicron-Psc(Mag:4.3)(00o29'.8)
			20:53 Algol is at minimum brightness
31	Moon	24.4	02:41 Delta-Lib is at minimum brightness
			16:01 Moon passes 06o53'.7 south of Pluto

Special Thanks to Shirakawa Astronomical Observatory