| Astronomical Times for Chamberlain Observatory (39.002455, -90.163180) Starting 18 Apr 2025, for the next 5 days | |||||||
| Date | Morning | Sunrise | Sunset | Evening | Moonrise | Moonset | Moon Phase |
| Twilight | Twilight | ||||||
| 18 Apr 2025 | 04:46 | 06:17 | 19:42 | 21:11 | 00:40 | 09:28 |  |
| 19 Apr 2025 | 04:45 | 06:16 | 19:43 | 21:12 | 01:33 | 10:25 | |
| 20 Apr 2025 | 04:43 | 06:14 | 19:44 | 21:13 | 02:17 | 11:31 | |
| 21 Apr 2025 | 04:42 | 06:13 | 19:45 | 21:14 | 02:56 | 12:39 |  |
| 22 Apr 2025 | 04:40 | 06:11 | 19:46 | 21:15 | 03:29 | 13:51 | |
| Planetary Data for today | ||||||||||
 |  |  |  |  |  |  |  | |||
| Mercury | Venus | Mars | Jupiter | Saturn | Uranus | Neptune | Pluto | |||
| Rises | 05:26 | 04:45 | 12:05 | 09:04 | 05:13 | 07:41 | 05:20 | 03:00 | ||
| Meridian | 11:21 | 10:48 | 19:24 | 16:23 | 11:02 | 14:44 | 11:16 | 07:39 | ||
| Sets | 17:17 | 16:51 | 02:42 | 23:44 | 16:50 | 21:51 | 17:12 | 12:19 | ||
| Constellation | Pisces | Pisces | Cancer | Taurus | Aquarius | Taurus | Pisces | Capricornus | ||
| Visible ISS Passes | ||||||||||
 | ||||||||||
| Date | Brightness | Start | Highest point | End | ||||||
| (mag) | Time | Alt. | Az. | Time | Alt. | Az. | Time | Alt. | Az. | |
| 18 Apr | -2.1 | 05:14:14 | 11° | SSW | 05:16:59 | 28° | SE | 05:19:55 | 10° | ENE |
| 19 Apr | -1.5 | 04:28:20 | 15° | SSE | 04:29:05 | 16° | SE | 04:31:14 | 10° | E |
| 20 Apr | -3.8 | 05:15:14 | 20° | SW | 05:17:26 | 88° | NW | 05:20:47 | 10° | NE |
| 21 Apr | -3.3 | 04:29:05 | 48° | SSE | 04:29:21 | 49° | SE | 04:32:36 | 10° | ENE |
| 22 Apr | -1.3 | 03:42:51 | 19° | E | 03:42:51 | 19° | E | 03:44:11 | 10° | ENE |
| 22 Apr | -2.6 | 05:15:46 | 16° | W | 05:17:59 | 32° | NNW | 05:21:03 | 10° | NE |