|
April 1997 |
|
| 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 | Tue | 23.1 | R-Aqr is at maximum brightness (Period 386 days, Mag:5.8-12.4) |
| 04:38 Last quarter moon | |||
| 05:50 Venus passes 00o57'.2 north of Saturn | |||
| 09:15 Saturn is at conjunction (02o22'.6 south of Sun) | |||
| 12:-- Comet C/1995 O1 (Hale-Bopp) passses perihelion (Period 2548 years) | |||
| 2 | Wed | 24.1 | R-And is at maximum brightness (Period 409 days, Mag:5.8-14.9) |
| 13:58 Moon passes 04o09'.7 north of Neptune | |||
| 3 | Thu | 25.1 | 04:30 Moon passes 04o46'.4 north of Uranus |
| 07:18 Venus is closest to Sun (01o16'.7) | |||
| 16:50 Moon passes 04o14'.7 north of Jupiter | |||
| 5 | Sat | 27.1 | 02:08 Delta-Lib is at minimum brightness |
| 02:56 Longitude of the sun reaches 15 degrees | |||
| 6 | Sun | 28.1 | 02:-- Moon is near to the Earth most (361,503km, Dia.:33'04") |
| 10:07 Mercury is at eastern greatest elongation (19o13'.1,Mag:0.0,Dia.:7".6) | |||
| 15:52 Moon passes equator, to northern hemisphere | |||
| 17:-- Heliocentric latitude of Mercury is most at north | |||
| 7 | Mon | 29.1 | W-Cet is at maximum brightness (Period 351 days, Mag:7.1-14.8) |
| 10:05 Moon passes 01o06'.1 north of Saturn (Saturn occultation in Siberia) | |||
| 20:02 New Moon | |||
| 21:48 Moon passes 00o40'.7 south of Venus (Venus occultation in Africa) | |||
| 9 | Wed | 1.7 | 01:18 Moon passes 06o26'.3 south of Mercury |
| 11 | Fri | 3.7 | 11:16 Occultation of Aldebaran (Mag:1.1) (Tokyo, at ingress) |
| 12 | Sat | 4.7 | 01:42 Delta-Lib is at minimum brightness |
| 13 | Sun | 5.7 | 02:51 Moon is at north most (Decl.:+18o11'.4) |
| 14 | Mon | 6.7 | T-Aqr is at maximum brightness (Period 202 days, Mag:7.2-14.2) |
| 15 | Tue | 7.7 | R-Hya is at maximum brightness (Period 388 days, Mag:3.5-10.9) |
| 02:00 First quarter moon | |||
| 13:48 Mercury is at apogee (R.A.:02h25m.0) | |||
| 17 | Thu | 9.7 | 08:21 Longitude of the sun reaches 27 degrees |
| 18 | Fri | 10.7 | 00:-- Moon is far from the Earth most (405,006km, Dia.:29'30") |
| 02:-- Comet 85P/Boethin passses perihelion (Period 11.63 years) | |||
| 19 | Sat | 11.7 | 01:16 Delta-Lib is at minimum brightness |
| 14:50 Moon passes 03o42'.1 south of Mars | |||
| 20 | Sun | 12.7 | V-CrB is at maximum brightness (Period 357 days, Mag:6.9-12.6) |
| 10:03 Longitude of the sun reaches 30 degrees | |||
| 14:23 Moon passes equator, to southern hemisphere | |||
| 20:20 Algol is at minimum brightness | |||
| 21 | Mon | 13.7 | R-Boo is at maximum brightness (Period 223 days, Mag:6.2-12.1) |
| 22 | Tue | 14.7 | 02:34 Mercury passes 03o04'.0 north of Venus |
| 13:-- Kappa-Lyr meteor shower is at peak (Span: Apr.16-Apr.25) | |||
| 20:56 Venus is closest to Mercury (02o43'.9) | |||
| 23 | Wed | 15.7 | 05:33 Full Moon |
| 24 | Thu | 16.7 | 19:32 Neptune is most at west (Mag:7.9,Dia.:2".2) |
| 25 | Fri | 17.7 | 12:50 Mercury is at inferior conjunction(01o22'.4 north of Sun) |
| 20:14 Moon passes 08o14'.5 south of Pluto | |||
| 22:21 Mercury is closest to Sun (01o12'.2) | |||
| 26 | Sat | 18.7 | R-Tri is at maximum brightness (Period 265 days, Mag:5.4-12.6) |
| 00:49 Delta-Lib is at minimum brightness | |||
| 05:-- Vir meteor shower is at peak (Span:March-May) | |||
| 20:24 Lambda-Tau is at minimum brightness | |||
| 27 | Sun | 19.7 | 15:30 Moon is at south most (Decl.:-18o15'.8) |
| 29 | Tue | 21.7 | National Holiday in Japan (Midori no hi) |
| 15:07 Mars is at apogee (R.A.:11h14m.5) | |||
| 20:13 Moon passes 04o01'.4 north of Neptune | |||
| 30 | Wed | 22.7 | 11:37 Last quarter moon |
| 11:39 Moon passes 04o37'.7 north of Uranus | |||
