| Ephemeris for 21P/Giacobini-Zinner
|
|     DATE     | Time  | Age of  | RIGHT ASCENS | DECLINATION | Rise  | Culm  | Set   | Approx|    Observable     | Constellation
| Year Mth Day |       | Moon    | hour min sec | deg min sec |       |       |       | Mag.  |                   |
|
| 2024  05  10 | 20:00 | 03 days |   15  34  00 | +08  31  45 | 18:29 | 01:04 | 07:39 | 19.24 | 21:12 until 04:07 | Serpens Caput
| 2024  05  11 | 20:00 | 04 days |   15  33  05 | +08  40  34 | 18:24 | 00:59 | 07:34 | 19.22 | 21:13 until 04:06 | Serpens Caput
| 2024  05  12 | 20:00 | 05 days |   15  32  10 | +08  49  14 | 18:19 | 00:54 | 07:30 | 19.20 | 21:15 until 04:04 | Serpens Caput
| 2024  05  13 | 20:00 | 06 days |   15  31  14 | +08  57  45 | 18:13 | 00:49 | 07:26 | 19.19 | 21:16 until 04:03 | Serpens Caput
| 2024  05  14 | 20:00 | 06 days |   15  30  19 | +09  06  07 | 18:08 | 00:45 | 07:21 | 19.17 | 21:18 until 04:01 | Serpens Caput
| 2024  05  15 | 20:00 | 07 days |   15  29  23 | +09  14  19 | 18:02 | 00:40 | 07:17 | 19.15 | 21:19 until 04:00 | Serpens Caput
| 2024  05  16 | 20:00 | 08 days |   15  28  26 | +09  22  21 | 17:57 | 00:35 | 07:13 | 19.14 | 21:20 until 03:58 | Serpens Caput
| 2024  05  17 | 20:00 | 09 days |   15  27  30 | +09  30  13 | 17:52 | 00:30 | 07:08 | 19.12 | 21:22 until 03:57 | Serpens Caput
| 2024  05  18 | 20:00 | 10 days |   15  26  33 | +09  37  55 | 17:46 | 00:25 | 07:04 | 19.11 | 21:23 until 03:56 | Serpens Caput
| 2024  05  19 | 20:00 | 11 days |   15  25  37 | +09  45  26 | 17:41 | 00:20 | 06:59 | 19.09 | 21:24 until 03:55 | Serpens Caput
| 2024  05  20 | 20:00 | 12 days |   15  24  40 | +09  52  46 | 17:36 | 00:15 | 06:55 | 19.08 | 21:26 until 03:53 | Serpens Caput
| 2024  05  21 | 20:00 | 13 days |   15  23  43 | +09  59  54 | 17:30 | 00:10 | 06:51 | 19.06 | 21:27 until 03:52 | Serpens Caput
| 2024  05  22 | 20:00 | 14 days |   15  22  46 | +10  06  52 | 17:25 | 00:06 | 06:46 | 19.05 | 21:28 until 03:51 | Serpens Caput
| 2024  05  23 | 20:00 | 15 days |   15  21  50 | +10  13  37 | 17:16 | 23:57 | 06:38 | 19.03 | 21:30 until 03:50 | Serpens Caput
| 2024  05  24 | 20:00 | 16 days |   15  20  53 | +10  20  11 | 17:10 | 23:52 | 06:33 | 19.02 | 21:31 until 03:49 | Serpens Caput
| 2024  05  25 | 20:00 | 17 days |   15  19  57 | +10  26  33 | 17:05 | 23:47 | 06:29 | 19.00 | 21:32 until 03:48 | Serpens Caput
| 2024  05  26 | 20:00 | 18 days |   15  19  01 | +10  32  43 | 17:00 | 23:42 | 06:24 | 18.99 | 21:33 until 03:47 | Serpens Caput
| 2024  05  27 | 20:00 | 19 days |   15  18  05 | +10  38  40 | 16:55 | 23:37 | 06:20 | 18.97 | 21:34 until 03:46 | Serpens Caput
| 2024  05  28 | 20:00 | 20 days |   15  17  09 | +10  44  25 | 16:49 | 23:32 | 06:15 | 18.96 | 21:36 until 03:45 | Serpens Caput
| 2024  05  29 | 20:00 | 21 days |   15  16  14 | +10  49  57 | 16:44 | 23:28 | 06:11 | 18.95 | 21:37 until 03:44 | Serpens Caput
| 2024  05  30 | 20:00 | 22 days |   15  15  19 | +10  55  16 | 16:39 | 23:23 | 06:06 | 18.93 | 21:38 until 03:43 | Serpens Caput
| 2024  05  31 | 20:00 | 23 days |   15  14  25 | +11  00  22 | 16:34 | 23:18 | 06:02 | 18.92 | 21:39 until 03:42 | Serpens Caput
| 2024  06  01 | 20:00 | 24 days |   15  13  31 | +11  05  15 | 16:29 | 23:13 | 05:57 | 18.91 | 21:40 until 03:42 | Serpens Caput
| 2024  06  02 | 20:00 | 25 days |   15  12  37 | +11  09  55 | 16:24 | 23:08 | 05:53 | 18.89 | 21:41 until 03:41 | Serpens Caput
| 2024  06  03 | 20:00 | 26 days |   15  11  44 | +11  14  22 | 16:18 | 23:03 | 05:48 | 18.88 | 21:42 until 03:40 | Serpens Caput
|
| All times computed for Cambridge (latitude 42.38; longitude -71.11)
|      and expressed in Cambridge time.
|
| Ephemeris computed by Dominic Ford.
| <https://in-the-sky.org/>