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October 1998 |
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| 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 | 10.4 | 03:44 Moon passes 02o24'.3 north of Neptune |
| 21:11 Moon passes 02o39'.3 north of Uranus | |||
| 2 | Fri | 11.4 | |
| 3 | Sat | 12.4 | |
| 4 | Sun | 13.4 | 15:05 Moon is closest to Asteroid Pallas (00o54'.7, Occultation of Pallas in Canada) |
| 18:28 Moon passes 00o12'.7 south of Jupiter(Occultation in Australia) | |||
| 5 | Mon | 14.4 | |
| 20:47 Moon passes equator, to northern hemisphere | |||
| 6 | Tue | 15.4 | 03:49 Algol is at minimum brightness |
| 05:12 Full Moon | |||
| 22h Moon is nearest to the Earth (357,629km,Dia.:33'24".8) | |||
| 7 | Wed | 16.4 | R-Tri is at maximum brightness (Mag:Period 265 days, 5.4-12.6) |
| 10:16 Moon passes 01o49'.3 south of Saturn | |||
| 23:42 Asteroid Vesta(Mag:8.3) is closest to M44 (01o02'.3) | |||
| 8 | Thu | 17.4 | 20:56 Longitude of the sun reaches 195 degrees |
| 9 | Fri | 18.4 | 00:38 Algol is at minimum brightness |
| 04h Giacobinids meteor shower is at peak (Oct.8-Oct.9) | |||
| 20:57 Occultation of Theta2-Tau (Mag:3.6) in Hyades | |||
| 23:19 Occultation of Aldebaran(Mag:1.1)(time of Tokyo) | |||
| (Occultation of Ceres in Europe) | |||
| 10 | Sat | 19.4 | National holiday in Japan (Taiiku no hi) |
| 11 | Sun | 20.4 | U-Her is at maximum brightness (Period 406Sun, 6.4-13.4 days) |
| 19:45 Neptune is at apogee(R.A.:20h05m.9) | |||
| 21:26 Algol is at minimum brightness | |||
| 23:38 Moon is at north most(Decl.:+19o07'.5) | |||
| 12 | Mon | 21.4 | 20:11 Last quarter moon |
| 13 | Tue | 22.4 | |
| 14 | Wed | 23.4 | 10:38 Moon is closest to Asteroid Vesta (02o16'.0) |
| 13h Comet 93P/Lovas 1 passses perihelion(Period 9.1 years) | |||
| 18:15 Algol is at minimum brightness | |||
| 15 | Thu | 24.4 | R-Psc is at maximum brightness (Mag:Period 344 days, 7.0-14.8) |
| 23:57 Moon closes to Regulus(Mag:1.3) (00o56'.2 in Tokyo) | |||
| 16 | Fri | 25.4 | R-Vir is at maximum brightness (Mag:Period 145 days, 6.1-12.1) |
| 12:32 Moon passes 00o59'.5 south of Mars(Occultation in Antarctic) | |||
| 17 | Sat | 26.4 | |
| 18 | Sun | 27.4 | |
| 19 | Mon | 28.4 | RR-Sgr is at maximum brightness (Mag:Period 336 days, 5.4-14.0) |
| 03:17 Moon passes equator, to southern hemisphere | |||
| 07:36 Occultation of Gamma-Vir(Mag:2.9)(time of Tokyo) | |||
| 10:09 Uranus is at apogee(R.A.:20h45m.7) | |||
| 20 | Tue | 29.4 | 10:56 Moon passes 03o04'.1 north of Venus |
| 19:09 New Moon | |||
| 23:38 Longitude of the sun reaches 207 degrees | |||
| 21 | Wed | 0.7 | S-Vir is at maximum brightness (Mag:Period 375 days, 6.3-13.2) |
| 05:41 Moon is closest to Asteroid Juno (02o23'.4) | |||
| 14h Moon is farthest from the Earth (406,667km,Dia.:29'23".1) | |||
| 16h Ori meteor shower is at peak(Oct.10-Oct.30) | |||
| 22 | Thu | 1.7 | 03:29 Moon passes 06o31'.2 north of Mercury |
| 23 | Fri | 2.7 | 23:59 Longitude of the sun reaches 210 degrees |
| 24 | Sat | 3.7 | 02h Saturn is nearest to the Earth(8.29342AU, 1,241,000,000km) |
| 05:31 Moon passes 06o34'.4 south of Pluto | |||
| 25 | Sun | 4.7 | 02:43 Saturn is at opposition(Mag:0.0,Dia.:20".0,Ring: 45".2x11".9) |
| 26 | Mon | 5.7 | 16:45 Mon is at south most(Decl.:-19o15'.6) |
| 27 | Tue | 6.7 | 19:01 Neptune is most at east(Mag:7.9,Dia.:2".2) |
| 28 | Wed | 7.7 | R-Cnc is at maximum brightness (Mag:Period 361 days, 6.1-11.8) |
| 11:35 Moon passes 02o11'.8 north of Neptune | |||
| 20:46 First quarter moon | |||
| 29 | Thu | 8.7 | 02:19 Algol is at minimum brightness |
| 05:17 Venus is at exferrior conjunction(01o01'.2 north of Sun, Mag:-3.9,Dia.:9".7) | |||
| 05:19 Moon passes 02o26'.2 north of Uranus | |||
| 30 | Fri | 9.7 | Chi-Cyg is at maximum brightness (Mag:Period 408 days,3.3-14.2) |
| 23:08 Algol is at minimum brightness | |||
| 23:42 Venus is closest to Sun (00o54'.9) | |||
| 31 | Sat | 10.7 | 18:33 Moon is closest to Asteroid Pallas (04o24'.4) |
