什么时候可以看到NGC2421？
查看NGC2421在你所在位置全年的可见性变化。图表显示各季节的观测时段，表格列出所选日期的升起、中天和落下时间。
NGC2421将持续可见至4月11日，随后因过于接近太阳而暂时从夜空中消失。
观测NGC2421的最佳月份
根据NGC2421在黑夜或暮光期间位于地平线以上的时长，未来一年中最适合观测的月份是2027年1月, 2026年12月, 2027年2月。
NGC2421全年的可见情况
NGC2421在 2026-10-24 的可见情况
NGC2421升起与落下时间表
| 时间 | 高度角 | |
月出，照明比例 88%  | 14:51 | -62° |
| 天文观测时段开始 | 17:47 | -67° |
| NGC2421升起 | 23:39 | |
| 月落 | 03:47 | 31° |
| 天文观测时段结束 | 03:57 | 31° |
| 暮光结束 (−12°) | 04:27 | 32° |
| NGC2421中天 | 04:32 | 32° |
| 民用暮光结束 | 04:58 | 32° |
| 日出 | 05:25 | 31° |
| NGC2421落下 | 09:24 |
跟踪NGC2421整夜的位置变化
← 2026年10月24日 →
| 时间 | |
| 高度角 | |
| 方位角 |
移动星图可更改时间，并观察NGC2421在夜空中的位置变化。
NGC2421每日升起、中天与落下时间
| 日期 | 升起—落下 | 中天 | 暮光 | 坐标 | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2026-10-24 | 23:39 - 09:24 | 04:32 | 16:14 - 05:23 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2026-10-31 | 23:12 - 08:57 | 04:04 | 16:06 - 05:30 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2026-11-07 | 22:44 - 08:29 | 03:37 | 15:59 - 05:37 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2026-11-14 | 22:17 - 08:02 | 03:09 | 15:53 - 05:44 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2026-11-21 | 21:49 - 07:34 | 02:42 | 15:48 - 05:51 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2026-11-28 | 21:22 - 07:07 | 02:14 | 15:45 - 05:58 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2026-12-05 | 20:54 - 06:39 | 01:47 | 15:44 - 06:05 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2026-12-12 | 20:27 - 06:11 | 01:19 | 15:44 - 06:11 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2026-12-19 | 19:59 - 05:44 | 00:51 | 15:46 - 06:15 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2026-12-26 | 19:31 - 05:16 | 00:24 | 15:50 - 06:19 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-01-02 | 19:04 - 04:49 | 23:56 | 15:55 - 06:21 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-01-09 | 18:36 - 04:21 | 23:29 | 16:01 - 06:21 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-01-16 | 18:09 - 03:54 | 23:01 | 16:08 - 06:19 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-01-23 | 17:41 - 03:26 | 22:34 | 16:15 - 06:16 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-01-30 | 17:14 - 02:59 | 22:06 | 16:23 - 06:11 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-02-06 | 16:46 - 02:31 | 21:39 | 16:31 - 06:05 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-02-13 | 16:19 - 02:04 | 21:11 | 16:38 - 05:58 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-02-20 | 15:51 - 01:36 | 20:44 | 16:46 - 05:50 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-02-27 | 15:24 - 01:09 | 20:16 | 16:53 - 05:41 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-03-06 | 14:56 - 00:41 | 19:49 | 17:00 - 05:31 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-03-13 | 14:29 - 00:14 | 19:21 | 17:06 - 05:21 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-03-20 | 14:01 - 23:46 | 18:54 | 17:13 - 05:11 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-03-27 | 13:34 - 23:19 | 18:26 | 17:19 - 05:00 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-04-03 | 13:06 - 22:51 | 17:59 | 17:25 - 04:50 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-04-10 | 12:39 - 22:24 | 17:31 | 17:31 - 04:40 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-04-17 | 12:11 - 21:56 | 17:04 | 17:38 - 04:30 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-04-24 | 11:44 - 21:29 | 16:36 | 17:44 - 04:21 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-05-01 | 11:16 - 21:01 | 16:09 | 17:50 - 04:12 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-05-08 | 10:49 - 20:33 | 15:41 | 17:56 - 04:05 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-05-15 | 10:21 - 20:06 | 15:13 | 18:03 - 03:58 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-05-22 | 09:50 - 19:35 | 14:42 | 18:08 - 03:53 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-05-29 | 09:22 - 19:07 | 14:15 | 18:14 - 03:49 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-06-05 | 08:55 - 18:39 | 13:47 | 18:18 - 03:47 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-06-12 | 08:27 - 18:12 | 13:19 | 18:22 - 03:46 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-06-19 | 07:59 - 17:44 | 12:52 | 18:25 - 03:46 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-06-26 | 07:32 - 17:17 | 12:24 | 18:26 - 03:48 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-07-03 | 07:04 - 16:49 | 11:57 | 18:26 - 03:50 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-07-10 | 06:37 - 16:22 | 11:29 | 18:24 - 03:54 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-07-17 | 06:09 - 15:54 | 11:02 | 18:21 - 03:59 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-07-24 | 05:42 - 15:27 | 10:34 | 18:17 - 04:04 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-07-31 | 05:14 - 14:59 | 10:07 | 18:11 - 04:10 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-08-07 | 04:47 - 14:32 | 09:39 | 18:04 - 04:16 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-08-14 | 04:19 - 14:04 | 09:12 | 17:56 - 04:21 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-08-21 | 03:52 - 13:37 | 08:44 | 17:47 - 04:27 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-08-28 | 03:24 - 13:09 | 08:17 | 17:38 - 04:33 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-09-04 | 02:57 - 12:42 | 07:49 | 17:28 - 04:39 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-09-11 | 02:29 - 12:14 | 07:22 | 17:17 - 04:45 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-09-18 | 02:02 - 11:47 | 06:54 | 17:07 - 04:50 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-09-25 | 01:34 - 11:19 | 06:27 | 16:56 - 04:56 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-10-02 | 01:07 - 10:52 | 05:59 | 16:45 - 05:02 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-10-09 | 00:39 - 10:24 | 05:32 | 16:35 - 05:08 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-10-16 | 00:12 - 09:57 | 05:04 | 16:25 - 05:15 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-10-23 | 23:44 - 09:29 | 04:37 | 16:16 - 05:21 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||