| Ephemeris for C/2021 D1 (SWAN) | | 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 07 13 | 20:00 | 07 days | 10 29 57 | −11 02 12 | 10:23 | 15:45 | 21:07 | 31.50 | Not observable | Sextans | 2024 07 14 | 20:00 | 08 days | 10 30 12 | −11 02 45 | 10:19 | 15:41 | 21:04 | 31.51 | Not observable | Sextans | 2024 07 15 | 20:00 | 09 days | 10 30 28 | −11 03 20 | 10:16 | 15:38 | 21:00 | 31.52 | Not observable | Sextans | 2024 07 16 | 20:00 | 10 days | 10 30 43 | −11 03 57 | 10:12 | 15:34 | 20:56 | 31.52 | Not observable | Sextans | 2024 07 17 | 20:00 | 11 days | 10 30 58 | −11 04 37 | 10:08 | 15:30 | 20:52 | 31.53 | Not observable | Sextans | 2024 07 18 | 20:00 | 12 days | 10 31 14 | −11 05 19 | 10:05 | 15:27 | 20:49 | 31.54 | Not observable | Sextans | 2024 07 19 | 20:00 | 13 days | 10 31 30 | −11 06 03 | 10:01 | 15:23 | 20:45 | 31.54 | Not observable | Sextans | 2024 07 20 | 20:00 | 14 days | 10 31 46 | −11 06 49 | 09:58 | 15:19 | 20:41 | 31.55 | Not observable | Sextans | 2024 07 21 | 20:00 | 15 days | 10 32 02 | −11 07 37 | 09:54 | 15:16 | 20:38 | 31.56 | Not observable | Sextans | 2024 07 22 | 20:00 | 16 days | 10 32 18 | −11 08 27 | 09:50 | 15:12 | 20:34 | 31.57 | Not observable | Sextans | 2024 07 23 | 20:00 | 17 days | 10 32 34 | −11 09 19 | 09:47 | 15:08 | 20:30 | 31.57 | Not observable | Sextans | 2024 07 24 | 20:00 | 18 days | 10 32 51 | −11 10 14 | 09:43 | 15:05 | 20:26 | 31.58 | Not observable | Sextans | 2024 07 25 | 20:00 | 19 days | 10 33 08 | −11 11 10 | 09:40 | 15:01 | 20:23 | 31.59 | Not observable | Sextans | 2024 07 26 | 20:00 | 20 days | 10 33 24 | −11 12 09 | 09:36 | 14:57 | 20:19 | 31.59 | Not observable | Sextans | 2024 07 27 | 20:00 | 22 days | 10 33 41 | −11 13 10 | 09:32 | 14:54 | 20:15 | 31.60 | Not observable | Sextans | 2024 07 28 | 20:00 | 23 days | 10 33 58 | −11 14 12 | 09:29 | 14:50 | 20:12 | 31.61 | Not observable | Sextans | 2024 07 29 | 20:00 | 24 days | 10 34 15 | −11 15 17 | 09:25 | 14:47 | 20:08 | 31.61 | Not observable | Sextans | 2024 07 30 | 20:00 | 25 days | 10 34 32 | −11 16 24 | 09:22 | 14:43 | 20:04 | 31.62 | Not observable | Sextans | 2024 07 31 | 20:00 | 26 days | 10 34 50 | −11 17 33 | 09:18 | 14:39 | 20:00 | 31.63 | Not observable | Sextans | 2024 08 01 | 20:00 | 27 days | 10 35 07 | −11 18 43 | 09:14 | 14:36 | 19:57 | 31.63 | Not observable | Sextans | 2024 08 02 | 20:00 | 28 days | 10 35 24 | −11 19 56 | 09:11 | 14:32 | 19:53 | 31.64 | Not observable | Sextans | 2024 08 03 | 20:00 | 29 days | 10 35 42 | −11 21 11 | 09:07 | 14:28 | 19:49 | 31.65 | Not observable | Sextans | 2024 08 04 | 20:00 | 00 days | 10 36 00 | −11 22 27 | 09:04 | 14:25 | 19:46 | 31.65 | Not observable | Sextans | 2024 08 05 | 20:00 | 01 days | 10 36 17 | −11 23 46 | 09:00 | 14:21 | 19:42 | 31.66 | Not observable | Sextans | 2024 08 06 | 20:00 | 02 days | 10 36 35 | −11 25 06 | 08:57 | 14:17 | 19:38 | 31.67 | Not observable | Sextans | | All times computed for Cambridge (latitude 42.38; longitude -71.11) | and expressed in Cambridge time. | | Ephemeris computed by Dominic Ford. |