| Astronomical Times for Chamberlain Observatory (39.002455, -90.163180) Starting 17 May 2024, for the next 5 days | |||||||
| Date | Morning | Sunrise | Sunset | Evening | Moonrise | Moonset | Moon Phase |
| Twilight | Twilight | ||||||
| 17 May 2024 | 04:12 | 05:43 | 20:10 | 21:39 | 14:38 | 02:58 |  |
| 18 May 2024 | 04:12 | 05:43 | 20:11 | 21:40 | 15:37 | 03:18 | |
| 19 May 2024 | 04:11 | 05:42 | 20:12 | 21:41 | 16:36 | 03:38 | |
| 20 May 2024 | 04:10 | 05:41 | 20:12 | 21:41 | 17:37 | 03:59 |  |
| 21 May 2024 | 04:09 | 05:40 | 20:13 | 21:42 | 18:40 | 04:21 | |
| Planetary Data for today | ||||||||||
 |  |  |  |  |  |  |  | |||
| Mercury | Venus | Mars | Jupiter | Saturn | Uranus | Neptune | Pluto | |||
| Rises | 04:51 | 05:37 | 03:54 | 05:56 | 02:57 | 05:39 | 03:22 | 00:57 | ||
| Meridian | 11:22 | 12:37 | 10:06 | 13:00 | 08:35 | 12:40 | 09:16 | 05:37 | ||
| Sets | 17:53 | 19:35 | 16:19 | 20:06 | 14:13 | 19:44 | 15:10 | 10:17 | ||
| Constellation | Pisces | Aries | Pisces | Taurus | Aquarius | Aries | Pisces | Capricornus | ||
| Visible ISS Passes | ||||||||||
 | ||||||||||
| Date | Brightness | Start | Highest point | End | ||||||
| (mag) | Time | Alt. | Az. | Time | Alt. | Az. | Time | Alt. | Az. | |
| 16 May | -0.7 | 21:03:46 | 10° | WNW | 21:05:48 | 15° | NNW | 21:07:50 | 10° | NNE |
| 17 May | -0.4 | 00:19:01 | 10° | NNW | 00:19:33 | 12° | NNW | 00:19:33 | 12° | NNW |
| 17 May | -0.8 | 23:29:36 | 10° | NNW | 23:31:22 | 13° | NNE | 23:31:25 | 13° | NNE |
| 18 May | -0.5 | 21:02:32 | 10° | NNW | 21:03:23 | 11° | N | 21:04:15 | 10° | N |
| 18 May | -0.7 | 22:40:13 | 10° | N | 22:41:16 | 11° | N | 22:42:18 | 10° | NNE |
| 19 May | -0.4 | 00:15:42 | 10° | NW | 00:16:02 | 12° | NNW | 00:16:02 | 12° | NNW |
| 19 May | -1.1 | 23:26:05 | 10° | NNW | 23:27:51 | 19° | N | 23:27:51 | 19° | N |