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May 1997 |
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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 | 23.7 | 06:11 Moon passes 03o56'.2 north of Jupiter |
| 2 | Fri | 24.7 | 07:49 Neptune is at apogee (R.A.:20h08m.2) |
| 3 | Sat | 25.7 | National Holiday in Japan (Kenpo Kinenbi) |
| 00:23 Delta-Lib is at minimum brightness | |||
| 20:-- Moon is near to the Earth most (366,620km, Dia.:32'36") | |||
| 23:59 Moon is closest to asteroid Vesta (04o53'.1) | |||
| 4 | Sun | 26.7 | 00:52 Moon passes equator, to northern hemisphere |
| 11:54 Uranus is most at west (Mag:5.8,Dia.:3".6) | |||
| 5 | Mon | 27.7 | National holiday in Japan (Kodomo no hi) |
| R-Cet is at maximum brightness (Period 166 days, Mag:7.2-14.3) | |||
| 00:37 Moon passes 00o47'.4 north of Saturn (Saturn occultation in North America) | |||
| 04:25 Algol is at minimum brightness | |||
| 20:-- Eta-Aqr meteor shower is at peak (Span:late April-May 18) | |||
| 20:19 Longitude of the sun reaches 45 degrees | |||
| 6 | Tue | 28.7 | 01:07 Moon passes 01o11'.4 south of Mercury (Mercury occultation on Antarctica) |
| 7 | Wed | 0.3 | 00:-- Comet 81P/Wild 2 passses perihelion (Period 6.39 years) |
| 05:47 New Moon | |||
| 20:41 Moon passes 04o14'.3 south of Venus | |||
| 8 | Thu | 1.3 | 03:09 Mercury is at apogee (R.A.:01h52m.7) |
| 9 | Fri | 2.3 | V-Peg is at maximum brightness (Period 345 days, Mag:7.5-13.0) |
| 17:39 Moon is closest to asteroid Juno (03o59'.1) | |||
| 23:58 Delta-Lib is at minimum brightness | |||
| 10 | Sat | 3.3 | 12:33 Moon is at north most (Decl.:+18o19'.7) |
| 12 | Mon | 5.3 | U-Cet is at maximum brightness (Period 234 days, Mag:6.8-13.4) |
| 13 | Tue | 6.3 | 17:54 Uranus is at apogee (R.A.:20h45m.1) |
| 14 | Wed | 7.3 | 03:53 Beta-Lyr is at minimum brightness |
| 19:55 First quarter moon | |||
| 15 | Thu | 8.3 | 19:-- Moon is far from the Earth most (404,213km,Dia.:29'34") |
| 16 | Fri | 9.3 | 01:36 Ganymede, the third satellite of Jupiter, hides Europa, the second, (39% reduced) |
| 23:32 Delta-Lib is at minimum brightness | |||
| 17 | Sat | 10.3 | 00:38 Moon passes 02o14'.1 south of Mars |
| 04:20 Jupiter is most at west (Mag:-2.6, Dia.:40".2) | |||
| 22:58 Moon passes equator, to southern hemisphere | |||
| 18 | Sun | 11.3 | U-Cyg is at maximum brightness (Period 463 days, Mag:5.9-12.1) |
| 21 | Wed | 14.3 | 09:18 Longitude of the sun reaches 60 degrees |
| 22 | Thu | 15.3 | 18:13 Full Moon |
| 23 | Fri | 16.3 | T-Hya is at maximum brightness (Period 298 days, Mag:6.7-13.5) |
| 02:12 Moon passes 08o21'.3 south of Pluto | |||
| 08:18 Mercury is at western greatest elongation (25o21'.8,Mag:0.6,Dia.:8".2) | |||
| 23:-- Comet 2P/Encke passses perihelion (Period 3.28 years) | |||
| 23:06 Delta-Lib is at minimum brightness | |||
| 24 | Sat | 17.3 | S-Her is at maximum brightness (Period 307 days, Mag:6.4-13.0) |
| 22:34 Moon is at south most (Decl.:-18o24'.0) | |||
| 25 | Sun | 18.3 | 16:-- Pluto is closest to Earth (28.98061AU, 4,235,000,000km, Dia.:0".1) |
| 27 | Tue | 20.3 | 01:22 Moon passes 03o49'.8 north of Neptune |
| 02:26 Beta-Lyr is at minimum brightness | |||
| 16:56 Moon passes 04o26'.1 north of Uranus | |||
| 28 | Wed | 21.3 | 02:27 Pluto is at opposition (Mag:13.7,Dia.:0".1) |
| 02:57 Algol is at minimum brightness | |||
| 15:11 Moon passes 03o40'.1 north of Jupiter | |||
| 21:-- Comet 100P/Hartley 1 passses perihelion (Period 6.02 years) | |||
| 29 | Thu | 22.3 | 16:-- Moon is near to the Earth most (369,791km,Dia.:32'18") |
| 16:51 Last quarter moon | |||
| 30 | Fri | 23.3 | 18:-- Heliocentric latitude of Mercury is most at south |
| 22:41 Delta-Lib is at minimum brightness | |||
| 31 | Sat | 24.3 | 08:05 Moon passes equator, to northern hemisphere |
