| Astronomical Times for Chamberlain Observatory (39.002455, -90.163180) Starting 05 May 2025, for the next 5 days | |||||||
| Date | Morning | Sunrise | Sunset | Evening | Moonrise | Moonset | Moon Phase |
| Twilight | Twilight | ||||||
| 05 May 2025 | 04:24 | 05:55 | 19:58 | 21:27 | 13:29 | 02:49 |  |
| 06 May 2025 | 04:23 | 05:54 | 19:59 | 21:28 | 14:31 | 03:13 | |
| 07 May 2025 | 04:22 | 05:53 | 20:00 | 21:29 | 15:31 | 03:35 | |
| 08 May 2025 | 04:21 | 05:52 | 20:01 | 21:30 | 16:30 | 03:55 |  |
| 09 May 2025 | 04:20 | 05:51 | 20:02 | 21:31 | 17:29 | 04:14 | |
| Planetary Data for today | ||||||||||
 |  |  |  |  |  |  |  | |||
| Mercury | Venus | Mars | Jupiter | Saturn | Uranus | Neptune | Pluto | |||
| Rises | 05:11 | 04:09 | 11:36 | 08:08 | 04:07 | 06:33 | 04:11 | 01:50 | ||
| Meridian | 11:33 | 10:13 | 18:44 | 15:27 | 09:58 | 13:37 | 10:07 | 06:29 | ||
| Sets | 17:55 | 16:18 | 01:55 | 22:49 | 15:48 | 20:45 | 16:04 | 11:08 | ||
| Constellation | Pisces | Pisces | Cancer | Taurus | Pisces | Taurus | Pisces | Capricornus | ||
| Visible ISS Passes | ||||||||||
 | ||||||||||
| Date | Brightness | Start | Highest point | End | ||||||
| (mag) | Time | Alt. | Az. | Time | Alt. | Az. | Time | Alt. | Az. | |
| 05 May | -1.0 | 04:37:15 | 10° | NNW | 04:39:49 | 20° | NNE | 04:42:23 | 10° | ENE |
| 06 May | -0.7 | 03:49:45 | 10° | NNW | 03:51:50 | 15° | NNE | 03:53:54 | 10° | ENE |
| 06 May | -3.4 | 05:25:45 | 10° | NW | 05:29:06 | 71° | NE | 05:32:27 | 10° | ESE |
| 07 May | -0.5 | 03:02:16 | 10° | NNW | 03:03:46 | 12° | NNE | 03:05:17 | 10° | NE |
| 07 May | -2.4 | 04:38:03 | 10° | NW | 04:41:16 | 41° | NNE | 04:44:28 | 10° | ESE |
| 07 May | -1.3 | 21:20:38 | 10° | S | 21:20:47 | 11° | S | 21:20:47 | 11° | S |
| 08 May | -0.3 | 02:14:50 | 10° | N | 02:15:40 | 11° | N | 02:16:29 | 10° | NNE |
| 08 May | -1.6 | 03:50:25 | 10° | NNW | 03:53:21 | 27° | NNE | 03:56:17 | 10° | E |
| 08 May | -2.0 | 20:33:54 | 10° | SSE | 20:35:45 | 14° | SE | 20:37:37 | 10° | E |
| 08 May | -3.2 | 22:08:53 | 10° | WSW | 22:12:11 | 57° | NW | 22:13:05 | 40° | NNE |
| 09 May | -1.0 | 03:02:49 | 10° | NNW | 03:05:21 | 20° | NNE | 03:07:54 | 10° | ENE |
| 09 May | -3.9 | 04:39:05 | 10° | WNW | 04:42:25 | 65° | SW | 04:45:44 | 10° | SE |