January 2001

February 2001

March 2001


Jan. Feb. Mar. Apr. May June July Aug. Sep. Oct. Nov. Dec.
1995 1996 1997 1998 1999 2000 2001 2002 2003

Day Moonage Phenomenon (JST)
1 Thu 7.6 23:02 First quarter moon
2 Fri 8.6 18:36 Moon passes 02o07'.4 south of Saturn
3 Sat 9.6 Sutsubun
Chi-Cyg is at maximum brightness (Mag:Period 408 days,3.3-14.2)
07:08 Moon passes 03o04'.1 south of Jupiter
17:10 Occultation of Delta-Tau(Mag:3.9)(time of Sapporo)
18:34 Occultation of 68Tau(Mag:4.2)(time of Tokyo)
20:55 Mercury is at apogee(R.A.:22h08.4m)
4 Sun 10.6 03:29 Longitude of the sun reaches 315 degrees
03:52 Delta-Lib is at minimum brightness
5 Moon 11.6 01:15 Occultation of Zeta-Tau(Mag:3.0)(time of Tokyo)
6 Tue 12.6 04:53 Moon is at north most(Decl.:+22o36'.1)
7 Wed 13.6
8 Thu 14.6 07h Moon is nearest to the Earth(0.928,356,851km,Dia.:33'29")
10:20 P/(1992 Comet G3)Mueller4 passses perihelion(Period 9.0 years)
16:12 Full Moon
9 Fri 15.6 LibRS is at maximum brightness (Mag:Period 218 days,7.0-13.0)
02:01 Saturn is most at east(Mag:0.1,Dia.:18".4,Ring:41".7)
10 Sat 16.6 03:05 Uranus is at conjunction(00o42'.9,Mag:5.9,Dia.:3".3 south of Sun)
22:19 Occultation of Nu-Vir(Mag:4.2)(time of Tokyo)
11 Sun 17.6 National holiday in Japan (Kenkoku kinen no hi)
03:25 Delta-Lib is at minimum brightness
12 Moon 18.6 National holiday in Japan
04:52 Moon passes equator, to southern hemisphere
06h Heliocentric latitude of Mercury is most at north
19:09 Mercury is at inferrior conjunction(03o51'.5,Mag:4.6,Dia.:10".3 north of Sun)
13 Tue 19.6 08:16 Mercury is closest to Sun (03o40'.7)
14 Wed 20.6 07:19 Mars is most at west(Mag:0.8,Dia.:6".9)
21:33 Mercury passes 04o38'.1 north of Uranus
15 Thu 21.6 12:24 Last quarter moon
18:30 Moon passes 02o43'.4 north of Mars
16 Fri 22.6 08:29 Uranus is closest to Mercury (04o20'.8)
20:43 Jupiter is most at east(Mag:-2.4,Dia.:40".2)
17 Sat 23.6 01:50 Moon passes 07o58'.8 south of Pluto
18 Sun 24.6 02:58 Delta-Lib is at minimum brightness
15:54 Moon is closest to Asteroid Ceres (Occultation of Ceres in 00o30'.4)(Africa)
23:27 Longitude of the sun reaches 330 degrees
19 Moon 25.6 06:20 Mon is at south most(Decl.:-22o38'.8)
20 Tue 26.6 08:48 Comet 44P/Reinmuth2 passses perihelion(Period 6.6 years)
23:02 Algol is at minimum brightness
21 Wed 27.6 Y-Dra is at maximum brightness (Mag:Period 326 days,6.2-15.0)
07h Moon is farthest from the Earth(1.057,406,338km,Dia.:29'25")
08:29 Moon passes 02o09'.5 south of Neptune
09:30 Mars(Mag:0.7) is closest to Beta-Sco(Mag:2.5)(00o03'.2)
22 Thu 28.6 00:45 Moon passes 05o41'.8 south of Mercury
09:52 Venus is brightest(Mag:-4.6,Dia.:38".9)
13:04 Moon passes 02o28'.9 south of Uranus
17:02 Mars(Mag:0.6) is closest to Omega-Sco2(Mag:4.3)(00o53'.4)
23 Fri 29.6 17:21 New Moon
19:52 Algol is at minimum brightness
24 Sat 0.8 05:24 Mars(Mag:0.6) is closest to Nu-Sco(Mag:4.0)(00o42'.6)
25 Sun 1.8 02:31 Delta-Lib is at minimum brightness
03:57 Moon is closest to Asteroid Vesta (Occultation of Vesta in 00o13'.6)
10:22 Mercury is at apogee(R.A.:21h09.0m)
26 Moon 2.8 U-Cet is at maximum brightness (Mag:Period 235 days,6.8-13.4)
02:47 Moon is closest to Asteroid Juno (Occultation of Juno in 00o54'.0)(Antarctic)
05:58 Comet 113P/Spitaler passses perihelion(Period 7.1 years)
17:01 Moon passes 11o18'.8 south of Venus
18:24 Moon passes equator, to northern hemisphere
27 Tue 3.8 23:36 Comet 75P/Kohoutek passses perihelion(Period 6.7 years)
28 Wed 4.8

Special Thanks to Shirakawa Astronomical Observatory

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