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6月2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 2026-11-14 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 19.3%  | 09:47 | 3° |
| 天文观测时段开始 | 19:00 | -41° |
| NGC2421升起 | 22:00 | |
| 月落 | 22:11 | 3° |
| NGC2421中天 | 03:59 | 69° |
| 天文观测时段结束 | 04:28 | 68° |
| 暮光结束 (−12°) | 04:53 | 65° |
| 民用暮光结束 | 05:19 | 62° |
| 日出 | 05:42 | 57° |
| NGC2421落下 | 09:58 |
跟踪NGC2421整夜的位置变化
← 2026年11月14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 | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2026-11-14 | 22:04 - 10:02 | 04:03 | 17:43 - 05:40 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2026-11-21 | 21:36 - 09:34 | 03:35 | 17:45 - 05:42 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2026-11-28 | 21:09 - 09:07 | 03:08 | 17:47 - 05:44 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2026-12-05 | 20:41 - 08:39 | 02:40 | 17:49 - 05:46 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2026-12-12 | 20:13 - 08:12 | 02:13 | 17:53 - 05:49 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2026-12-19 | 19:46 - 07:44 | 01:45 | 17:56 - 05:53 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2026-12-26 | 19:18 - 07:16 | 01:17 | 17:59 - 05:56 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-01-02 | 18:51 - 06:49 | 00:50 | 18:03 - 06:00 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-01-09 | 18:23 - 06:21 | 00:22 | 18:06 - 06:03 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-01-16 | 17:52 - 05:50 | 23:51 | 18:09 - 06:06 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-01-23 | 17:24 - 05:22 | 23:23 | 18:11 - 06:08 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-01-30 | 16:57 - 04:55 | 22:56 | 18:12 - 06:09 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-02-06 | 16:29 - 04:27 | 22:28 | 18:13 - 06:10 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-02-13 | 16:02 - 04:00 | 22:01 | 18:13 - 06:10 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-02-20 | 15:34 - 03:32 | 21:33 | 18:13 - 06:10 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-02-27 | 15:07 - 03:05 | 21:06 | 18:12 - 06:09 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-03-06 | 14:39 - 02:37 | 20:38 | 18:10 - 06:08 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-03-13 | 14:12 - 02:10 | 20:11 | 18:09 - 06:06 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-03-20 | 13:44 - 01:42 | 19:43 | 18:07 - 06:04 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-03-27 | 13:17 - 01:15 | 19:16 | 18:04 - 06:02 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-04-03 | 12:49 - 00:47 | 18:48 | 18:02 - 06:00 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-04-10 | 12:22 - 00:20 | 18:21 | 18:00 - 05:58 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-04-17 | 11:54 - 23:52 | 17:53 | 17:59 - 05:56 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-04-24 | 11:27 - 23:25 | 17:26 | 17:57 - 05:54 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-05-01 | 10:59 - 22:57 | 16:58 | 17:56 - 05:53 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-05-08 | 10:32 - 22:30 | 16:31 | 17:56 - 05:53 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-05-15 | 10:04 - 22:02 | 16:03 | 17:55 - 05:52 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-05-22 | 09:37 - 21:35 | 15:36 | 17:56 - 05:53 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-05-29 | 09:09 - 21:07 | 15:08 | 17:56 - 05:53 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-06-05 | 08:41 - 20:40 | 14:41 | 17:57 - 05:54 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-06-12 | 08:14 - 20:12 | 14:13 | 17:59 - 05:56 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-06-19 | 07:46 - 19:44 | 13:45 | 18:00 - 05:57 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-06-26 | 07:19 - 19:17 | 13:18 | 18:02 - 05:59 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-07-03 | 06:51 - 18:49 | 12:50 | 18:03 - 06:00 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-07-10 | 06:24 - 18:22 | 12:23 | 18:04 - 06:01 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-07-17 | 05:56 - 17:54 | 11:55 | 18:05 - 06:02 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-07-24 | 05:29 - 17:27 | 11:28 | 18:06 - 06:03 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-07-31 | 05:01 - 16:59 | 11:00 | 18:05 - 06:03 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-08-07 | 04:34 - 16:32 | 10:33 | 18:05 - 06:02 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-08-14 | 04:06 - 16:04 | 10:05 | 18:04 - 06:01 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-08-21 | 03:39 - 15:37 | 09:38 | 18:02 - 05:59 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-08-28 | 03:11 - 15:09 | 09:10 | 18:00 - 05:58 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-09-04 | 02:44 - 14:42 | 08:43 | 17:58 - 05:55 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-09-11 | 02:16 - 14:14 | 08:15 | 17:56 - 05:53 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-09-18 | 01:49 - 13:47 | 07:48 | 17:53 - 05:51 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-09-25 | 01:21 - 13:19 | 07:20 | 17:51 - 05:48 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-10-02 | 00:54 - 12:52 | 06:53 | 17:49 - 05:46 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-10-09 | 00:26 - 12:24 | 06:25 | 17:46 - 05:44 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-10-16 | 23:59 - 11:57 | 05:58 | 17:45 - 05:42 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-10-23 | 23:31 - 11:29 | 05:30 | 17:43 - 05:41 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-10-30 | 23:04 - 11:02 | 05:03 | 17:43 - 05:40 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-11-06 | 22:36 - 10:34 | 04:35 | 17:43 - 05:40 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||
| 2027-11-13 | 22:08 - 10:06 | 04:07 | 17:43 - 05:40 | RA: 07h 36m 11s", Dec: -20° 36' 44s @ 船尾座 | |||||