October 1998

November 1998

December 1998


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Day Moonage Phenomenon (JST)
1 Sun 11.7 Zyu-san-ya
01:16 Moon passes 00o13'.5 south of Jupiter(Occultation in Southeast Asia)
02:55 Asteroid Juno is at conjunction
2 Mon 12.7 R-Cyg is at maximum brightness (Mag:Period 426 days, 6.1-14.4)
08:12 Moon passes equator, to northern hemisphere
3 Tue 13.7 National holiday in Japan (Bunka no hi)
Tau (south) meteor shower is at peak(mid October-last November)
18:11 Moon passes 01o42'.9 south of Saturn
19:57 Algol is at minimum brightness
4 Wed 14.7 10h Moon is nearest to the Earth (356,611km,Dia.:33'30".5)
14:18 Full Moon
5 Thu 15.7 04:55 Lambda-Tau is at minimum brightness
6 Fri 16.7 (Occultation of Ceres in Europe)
7 Sat 17.7 R-CVn is at maximum brightness (Mag:Period 329 days, 6.5-12.9)
00:57 Uranus is most at east(Mag:5.8,Dia.:3".5)
8 Sun 18.7 00:08 Longitude of the sun reaches 225 degrees
08h Comet 98P/Takamizawa passses perihelion(Period 7.2 years)
08:30 Moon is at north most(Decl.:+19o20'.9)
9 Mon 19.7 03:47 Lambda-Tau is at minimum brightness
14h Heliocentric latitude of Mercury is most at south
15:43 Mercury passes 14o18'.7 south of Pluto
17h Heliocentric latitude of Mars is most at north
10 Tue 20.7 R-Leo is at maximum brightness (Mag:Period 310 days, 4.4-11.3)
U-Ori is at maximum brightness (Mag:Period 368 days, 4.8-13.0)
11 Wed 21.7 08:03 Moon is closest to Asteroid Vesta (02o18'.5)
09:28 Last quarter moon
18:04 Mercury is at eastern greatest elongation (22o56'.7, Mag:-0.2,Dia.:6".6)
12 Thu 22.7 Tau (north) meteor shower is at peak(mid October-last November)
13 Fri 23.7 R-Boo is at maximum brightness (Mag:Period 223 days,6.2-12.1)
02:40 Lambda-Tau is at minimum brightness
23:10 Asteroid Ceres(Mag:7.4) is closest to Aldebaran(Mag:1.1) (00o37'.6)
14 Sat 24.7 01:58 Occultation of Mars(Mag:1.5)(time in Sapporo)
02:54 Moon passes 00o31'.7 north of Mars(Occultation in Northern Japan)
10:10 Jupiter is at apogee(R.A.:23h18m.7)
15 Sun 25.7 09:59 Moon passes equator, to southern hemisphere
13h Comet P/1983 J3 (Kowal-Vavrova) passses perihelion(Period 15.6 years)
16 Mon 26.7
17 Tue 27.7 01:32 Lambda-Tau is at minimum brightness
15h Moon is farthest from the Earth (406,487km,Dia.:29'23".8)
18 Wed 28.7 04:01 Algol is at minimum brightness
07:16 Moon is closest to Asteroid Juno (02o38'.4)
15h Leo meteor shower is at peak(Nov.15-Nov.22)
19 Thu 29.7 R-Gem is at maximum brightness (Mag:Period 370 days, 6.0-14.0)
13:27 New Moon
22:30 Moon passes 04o52'.6 north of Venus
20 Fri 0.9 13:17 Moon passes 06o35'.4 south of Pluto
21 Sat 1.9 R-Com is at maximum brightness (Mag:Period 363 days, 7.1-14.6)
00:24 Lambda-Tau is at minimum brightness
00:50 Algol is at minimum brightness
05:54 Moon passes 06o39'.5 north of Mercury
17h Comet 21P/Giacobini-Zinner passses perihelion(Period 6.6 years)
23:32 Mercury is at apogee(R.A.:17h05m.2)
22 Sun 2.9 21:34 Longitude of the sun reaches 240 degrees
23:16 Moon is at south most(Decl.:-19o28'.2)
23 Mon 3.9 National holiday in Japan (Kinro kansya no hi)
21:39 Algol is at minimum brightness
24 Tue 4.9 18:19 Moon passes 01o54'.6 north of Neptune
23:16 Lambda-Tau is at minimum brightness
25 Wed 5.9 12:28 Moon passes 02o06'.3 north of Uranus
19:25 Venus passes 11o33'.5 south of Pluto
26 Thu 6.9 S-Scl is at maximum brightness (Mag:Period 362 days, 5.5-13.6)
18:28 Algol is at minimum brightness
27 Fri 7.9 09:23 First quarter moon
21:24 Asteroid Ceres(Mag:7.0) closes Delta-Tau in Hyades (00o09'.7)
28 Sat 8.9 09:31 Moon passes 00o36'.4 south of Jupiter(Occultation in South America)
20:43 Venus is closest to Mercury (00o14'.9)
21:25 Mercury passes 00o15'.5 north of Venus
22:08 Lambda-Tau is at minimum brightness
29 Sun 9.9 Chi-Ori meteor shower is at peak(Nov.22-Dec.10)
18:40 Moon passes equator, to northern hemisphere
20:19 Asteroid Ceres is at opposition (Mag:7.0)
30 Mon 10.9

Special Thanks to Shirakawa Astronomical Observatory

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