什么时候可以看到NGC2440？
查看NGC2440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。
NGC2440将持续可见至6月3日，随后因过于接近太阳而暂时从夜空中消失。
观测NGC2440的最佳月份
根据NGC2440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, 2027年2月, 2026年12月。
NGC2440全年的可见情况
NGC2440在 2026-11-02 的可见情况
NGC2440升起与落下时间表
| 时间 | 高度角 | |
月出，照明比例 48.5%  | 01:05 | 30° |
| 月落 | 13:29 | -36° |
| 天文观测时段开始 | 18:58 | -54° |
| NGC2440升起 | 22:53 | |
| 天文观测时段结束 | 04:28 | 71° |
| NGC2440中天 | 04:52 | 72° |
| 暮光结束 (−12°) | 04:53 | 72° |
| 民用暮光结束 | 05:18 | 71° |
| 日出 | 05:41 | 68° |
| NGC2440落下 | 10:51 |
跟踪NGC2440整夜的位置变化
← 2026年11月2日 →
| 时间 | |
| 高度角 | |
| 方位角 |
移动星图可更改时间，并观察NGC2440在夜空中的位置变化。
NGC2440每日升起、中天与落下时间
| 日期 | 升起—落下 | 中天 | 暮光 | 坐标 | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2026-11-02 | 22:56 - 10:55 | 04:55 | 17:43 - 05:40 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2026-11-09 | 22:29 - 10:27 | 04:28 | 17:43 - 05:40 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2026-11-16 | 22:01 - 09:59 | 04:00 | 17:44 - 05:41 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2026-11-23 | 21:34 - 09:32 | 03:33 | 17:45 - 05:42 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2026-11-30 | 21:06 - 09:04 | 03:05 | 17:48 - 05:45 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2026-12-07 | 20:39 - 08:37 | 02:38 | 17:50 - 05:47 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2026-12-14 | 20:11 - 08:09 | 02:10 | 17:54 - 05:50 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2026-12-21 | 19:44 - 07:42 | 01:43 | 17:57 - 05:54 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2026-12-28 | 19:16 - 07:14 | 01:15 | 18:00 - 05:57 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2027-01-04 | 18:49 - 06:47 | 00:48 | 18:04 - 06:01 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2027-01-11 | 18:21 - 06:19 | 00:20 | 18:07 - 06:04 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2027-01-18 | 17:50 - 05:48 | 23:49 | 18:09 - 06:06 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2027-01-25 | 17:22 - 05:20 | 23:21 | 18:11 - 06:08 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2027-02-01 | 16:55 - 04:53 | 22:54 | 18:12 - 06:10 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2027-02-08 | 16:27 - 04:25 | 22:26 | 18:13 - 06:10 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2027-02-15 | 16:00 - 03:58 | 21:59 | 18:13 - 06:10 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2027-02-22 | 15:32 - 03:30 | 21:31 | 18:12 - 06:10 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2027-03-01 | 15:05 - 03:03 | 21:04 | 18:11 - 06:09 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2027-03-08 | 14:37 - 02:35 | 20:36 | 18:10 - 06:07 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2027-03-15 | 14:10 - 02:08 | 20:09 | 18:08 - 06:05 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2027-03-22 | 13:42 - 01:40 | 19:41 | 18:06 - 06:03 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2027-03-29 | 13:15 - 01:13 | 19:14 | 18:04 - 06:01 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2027-04-05 | 12:47 - 00:45 | 18:46 | 18:02 - 05:59 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2027-04-12 | 12:20 - 00:18 | 18:19 | 18:00 - 05:57 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2027-04-19 | 11:52 - 23:50 | 17:51 | 17:58 - 05:55 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2027-04-26 | 11:24 - 23:23 | 17:23 | 17:57 - 05:54 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2027-05-03 | 10:57 - 22:55 | 16:56 | 17:56 - 05:53 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2027-05-10 | 10:29 - 22:27 | 16:28 | 17:55 - 05:53 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2027-05-17 | 10:02 - 22:00 | 16:01 | 17:55 - 05:52 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2027-05-24 | 09:34 - 21:32 | 15:33 | 17:56 - 05:53 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2027-05-31 | 09:07 - 21:05 | 15:06 | 17:57 - 05:54 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2027-06-07 | 08:39 - 20:37 | 14:38 | 17:58 - 05:55 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2027-06-14 | 08:12 - 20:10 | 14:11 | 17:59 - 05:56 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2027-06-21 | 07:44 - 19:42 | 13:43 | 18:01 - 05:58 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2027-06-28 | 07:17 - 19:15 | 13:16 | 18:02 - 05:59 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2027-07-05 | 06:49 - 18:47 | 12:48 | 18:04 - 06:01 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2027-07-12 | 06:22 - 18:20 | 12:21 | 18:05 - 06:02 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2027-07-19 | 05:54 - 17:52 | 11:53 | 18:05 - 06:02 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2027-07-26 | 05:27 - 17:25 | 11:26 | 18:06 - 06:03 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2027-08-02 | 04:59 - 16:57 | 10:58 | 18:05 - 06:02 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2027-08-09 | 04:32 - 16:30 | 10:31 | 18:05 - 06:02 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2027-08-16 | 04:04 - 16:02 | 10:03 | 18:03 - 06:01 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2027-08-23 | 03:37 - 15:35 | 09:36 | 18:02 - 05:59 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2027-08-30 | 03:09 - 15:07 | 09:08 | 18:00 - 05:57 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2027-09-06 | 02:42 - 14:40 | 08:41 | 17:58 - 05:55 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2027-09-13 | 02:14 - 14:12 | 08:13 | 17:55 - 05:52 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2027-09-20 | 01:46 - 13:45 | 07:46 | 17:53 - 05:50 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2027-09-27 | 01:19 - 13:17 | 07:18 | 17:50 - 05:47 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2027-10-04 | 00:51 - 12:49 | 06:50 | 17:48 - 05:45 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2027-10-11 | 00:24 - 12:22 | 06:23 | 17:46 - 05:43 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2027-10-18 | 23:56 - 11:54 | 05:55 | 17:44 - 05:41 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2027-10-25 | 23:29 - 11:27 | 05:28 | 17:43 - 05:40 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||
| 2027-11-01 | 23:01 - 10:59 | 05:00 | 17:43 - 05:40 | RA: 07h 41m 55s", Dec: -18° 12' 30s @ 船尾座 | |||||