| Day |
Moonage |
Phenomenon (JST) |
| 1 |
Wed |
13.2 |
Japanese 88th Night |
| |
|
|
S-CMi is at maximum brightness (Period 333 days, Mag 6.6-13.2) |
| 3 |
Fri |
15.2 |
National Holiday in Japan (Law's Day) |
| |
|
|
20:48 Full Moon |
| |
|
|
22:15 Beta-Lyr is a minimum brightness |
| 4 |
Sat |
16.2 |
National Holiday in Japan |
| |
|
|
18:43 Mercury is at stationary (R.A. 03h43.7m) |
| |
|
|
22:47 Delta-Lib is at minimum brightness |
| |
|
|
23:17 Venus is at maximum brightness (Mag -4.5, Semi-diameter 36".8) |
| 5 |
Sun |
17.2 |
National Holiday in Japan (Children's Day) |
| |
|
|
02:30 Jupiter is at stationary (R.A. 19h16.5m) |
| |
|
|
07:51 Moon passes 9.8 degrees south of Pluto |
| |
|
|
13:-- Eta-Aqr meteors peak (Last of April to May 18) |
| |
|
|
14:26 Longitude of the sun reaches 45 degrees ("Rikka") |
| 6 |
Mon |
18.2 |
National Holiday in Japan |
| |
|
|
00:02 Moon and Asteroid Ceres closes most 0.3 degrees) |
| |
|
|
19:25 Moon is at south most (Decl. -18d 30'.6) |
| 7 |
Tue |
19.2 |
07:-- Moon is at perigee(366,530km, Semi-diameter 32'36") |
| |
|
|
RS-Lib is at maximum brightness (Period 218 days, Mag 7.0-13.0) |
| 8 |
Wed |
20.2 |
09:11 Moon passes 5.2 degrees north of Jupiter |
| 9 |
Thu |
21.2 |
02:24 Moon passes 4.7 degrees north of Neptune |
| |
|
|
08:46 Uranus is at stationary (R.A. 20h28.3m) |
| |
|
|
14:36 Moon passes 5.7 degrees north of Uranus |
| 10 |
Fri |
22.2 |
14:04 Last quarter moon |
| |
|
|
R-Aql is at maximum brightness (Period 284 days, Mag 5.5-12.0) |
| 11 |
Sat |
23.2 |
16:56 Asteroid Vesta is at opposition (Mag 5.6) |
| |
|
|
22:21 Delta-Lib is at minimum brightness |
| 12 |
Sun |
24.2 |
10:-- P/1989E3 West-Hartley passes perihelion (Period 7.59 years) |
| |
|
|
18:52 Moon and Asteroid Juno closes most (01d 48'.5) |
| 13 |
Mon |
25.2 |
04:18 Moon passes equator, to northern hemisphere |
| |
|
|
21:32 Moon passes 3.5 degrees north of Saturn |
| 15 |
Wed |
27.2 |
08:27 Mercury and Sun closes most (00d 37'.1) |
| |
|
|
12:46 Mercury is at inferior conjunction (00d 40'.8 south of the sun) |
| 16 |
Thu |
28.2 |
11:56 Moon passes 1.7 degrees south of Mars |
| |
|
|
20:48 Beta-Lyr is at minimum brightness |
| |
|
|
W-Lyr is at maximum brightness (Period 198 days, Mag 7.3-13.3) |
| 17 |
Fri |
29.2 |
13:03 Moon passes 1.9 degrees south of Mercury |
| |
|
|
20:46 New Moon |
| 18 |
Sat |
0.6 |
21:55 Delta-Lib is at minimum brightness |
| 20 |
Mon |
2.6 |
04:43 Moon is at north most (Decl. +18d 33'.5) |
| |
|
|
09:40 Moon passes 8.5 degrees south of Venus |
| |
|
|
16:03 Venus is at stationary (R.A. 05h52.4m) |
| 21 |
Tue |
3.6 |
03:23 Longitude of the sun reaches 60 degrees |
| 23 |
Thu |
5.6 |
01:-- Moon is at apogee (405,066km, Semi-Diameter 29'30") |
| 25 |
Sat |
7.6 |
13:32 Pluto is at opposition (Mag 13.7, Semi-Diameter 0".1) |
| |
|
|
21:30 Delta-Lib is at minimum brightness |
| |
|
|
23:13 First quarter moon |
| |
|
|
R-Vus is at maximum brightness (Period 137 days, Mag 7.0-14.3) |
| |
|
|
RS-Her is at maximum brightness (Period 220 days, Mag7.0-13.0) |
| 26 |
Sun |
8.6 |
R-Vir is at maximum brightness (Period 146 days, Mag 6.1-12.1) |
| 27 |
Mon |
9.6 |
16:29 Mercury is at stationary (R.A. 03h12.7m) |
| |
|
|
16:48 Moon passes equator, to southern hemisphere |
| 28 |
Tue |
10.6 |
21:25 Mars and Mercury closes most (03d 22'.5) |
| 29 |
Wed |
11.6 |
19:20 Beta-Lyr is at minimum brightness |
| |
|
|
Moon closes to Spica |
| 30 |
Thu |
12.6 |
04:-- 72P/Denning-Fujikawa passes perihelion (Period 8.85 years) |
| |
|
|
19:11 Asteroid Ceres is at opposition (Mag 7.0) |
| 31 |
Fri |
13.6 |
14:25 Mercury passes 3.7 degrees south of Mars |