什么时候可以看到IC1821？
查看IC1821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。
IC1821将持续可见至3月18日，随后因过于接近太阳而暂时从夜空中消失。
观测IC1821的最佳月份
根据IC1821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2026年11月, 2027年11月, 2027年10月。
IC1821全年的可见情况
IC1821在 2026-11-06 的可见情况
IC1821升起与落下时间表
| 时间 | 高度角 | |
月出，照明比例 18.4%  | 22:13 | 42° |
| 月落 | 10:25 | -19° |
| IC1821升起 | 12:20 | |
| 日落 | 12:23 | 1° |
| 民用暮光开始 | 12:53 | 6° |
| 暮光开始 (−12°) | 13:25 | 12° |
| 天文观测时段开始 | 13:57 | 18° |
| IC1821中天 | 19:06 | 64° |
| 天文观测时段结束 | 00:34 | 15° |
| 暮光结束 (−12°) | 01:06 | 9° |
| 民用暮光结束 | 01:38 | 3° |
| IC1821落下 | 01:53 |
跟踪IC1821整夜的位置变化
← 2026年11月6日 →
| 时间 | |
| 高度角 | |
| 方位角 |
移动星图可更改时间，并观察IC1821在夜空中的位置变化。
IC1821每日升起、中天与落下时间
| 日期 | 升起—落下 | 中天 | 暮光 | 坐标 | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2026-11-06 | 12:20 - 01:53 | 19:06 | 12:19 - 02:05 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2026-11-13 | 11:52 - 01:25 | 18:39 | 12:13 - 02:13 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2026-11-20 | 11:25 - 00:57 | 18:11 | 12:07 - 02:21 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2026-11-27 | 10:57 - 00:30 | 17:44 | 12:03 - 02:29 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2026-12-04 | 10:30 - 00:02 | 17:16 | 12:01 - 02:36 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2026-12-11 | 10:02 - 23:35 | 16:49 | 12:01 - 02:42 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2026-12-18 | 09:35 - 23:07 | 16:21 | 12:03 - 02:47 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2026-12-25 | 09:07 - 22:40 | 15:54 | 12:06 - 02:51 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2027-01-01 | 08:40 - 22:12 | 15:26 | 12:11 - 02:53 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2027-01-08 | 08:12 - 21:45 | 14:58 | 12:17 - 02:53 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2027-01-15 | 07:45 - 21:17 | 14:31 | 12:25 - 02:51 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2027-01-22 | 07:17 - 20:50 | 14:03 | 12:32 - 02:48 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2027-01-29 | 06:46 - 20:18 | 13:32 | 12:41 - 02:42 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2027-02-05 | 06:18 - 19:51 | 13:04 | 12:49 - 02:36 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2027-02-12 | 05:51 - 19:23 | 12:37 | 12:57 - 02:28 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2027-02-19 | 05:23 - 18:56 | 12:09 | 13:06 - 02:19 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2027-02-26 | 04:56 - 18:28 | 11:42 | 13:14 - 02:09 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2027-03-05 | 04:28 - 18:01 | 11:14 | 13:21 - 01:59 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2027-03-12 | 04:01 - 17:33 | 10:47 | 13:29 - 01:48 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2027-03-19 | 03:33 - 17:06 | 10:19 | 13:36 - 01:37 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2027-03-26 | 03:05 - 16:38 | 09:52 | 13:43 - 01:26 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2027-04-02 | 02:38 - 16:11 | 09:24 | 13:50 - 01:14 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2027-04-09 | 02:10 - 15:43 | 08:57 | 13:57 - 01:03 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2027-04-16 | 01:43 - 15:16 | 08:29 | 14:05 - 00:53 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2027-04-23 | 01:15 - 14:48 | 08:02 | 14:12 - 00:43 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2027-04-30 | 00:48 - 14:21 | 07:34 | 14:19 - 00:33 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2027-05-07 | 00:20 - 13:53 | 07:07 | 14:26 - 00:25 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2027-05-14 | 23:53 - 13:25 | 06:39 | 14:32 - 00:18 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2027-05-21 | 23:25 - 12:58 | 06:12 | 14:39 - 00:12 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2027-05-28 | 22:58 - 12:30 | 05:44 | 14:45 - 00:07 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2027-06-04 | 22:30 - 12:03 | 05:17 | 14:50 - 00:04 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2027-06-11 | 22:03 - 11:35 | 04:49 | 14:54 - 00:02 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2027-06-18 | 21:35 - 11:08 | 04:22 | 14:57 - 00:02 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2027-06-25 | 21:08 - 10:40 | 03:54 | 14:59 - 00:04 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2027-07-02 | 20:40 - 10:13 | 03:26 | 14:59 - 00:07 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2027-07-09 | 20:13 - 09:45 | 02:59 | 14:57 - 00:11 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2027-07-16 | 19:45 - 09:18 | 02:31 | 14:54 - 00:16 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2027-07-23 | 19:18 - 08:50 | 02:04 | 14:49 - 00:21 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2027-07-30 | 18:50 - 08:23 | 01:36 | 14:43 - 00:27 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2027-08-06 | 18:23 - 07:55 | 01:09 | 14:35 - 00:34 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2027-08-13 | 17:55 - 07:28 | 00:41 | 14:27 - 00:40 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2027-08-20 | 17:28 - 07:00 | 00:14 | 14:17 - 00:47 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2027-08-27 | 17:00 - 06:33 | 23:46 | 14:07 - 00:54 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2027-09-03 | 16:32 - 06:05 | 23:19 | 13:56 - 01:00 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2027-09-10 | 16:05 - 05:38 | 22:51 | 13:45 - 01:07 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2027-09-17 | 15:37 - 05:10 | 22:24 | 13:34 - 01:13 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2027-09-24 | 15:10 - 04:43 | 21:56 | 13:22 - 01:20 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2027-10-01 | 14:42 - 04:15 | 21:29 | 13:11 - 01:27 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2027-10-08 | 14:15 - 03:47 | 21:01 | 12:59 - 01:34 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2027-10-15 | 13:47 - 03:20 | 20:34 | 12:49 - 01:41 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2027-10-22 | 13:20 - 02:52 | 20:06 | 12:38 - 01:48 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2027-10-29 | 12:52 - 02:25 | 19:39 | 12:29 - 01:56 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||
| 2027-11-05 | 12:25 - 01:57 | 19:11 | 12:21 - 02:04 | RA: 02h 36m 26s", Dec: 13° 46' 46s @ 白羊座 | |||||