什么时候可以看到NGC1817？
查看NGC1817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。
NGC1817将持续可见至4月19日，随后因过于接近太阳而暂时从夜空中消失。
观测NGC1817的最佳月份
根据NGC1817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12月, 2026年11月, 2027年1月。
NGC1817全年的可见情况
NGC1817在 2026-11-06 的可见情况
NGC1817升起与落下时间表
| 时间 | 高度角 | |
月出，照明比例 18.4%  | 22:13 | 66° |
| 月落 | 10:25 | -33° |
| 天文观测时段开始 | 13:57 | -8° |
| NGC1817升起 | 14:45 | |
| NGC1817中天 | 21:42 | 67° |
| 天文观测时段结束 | 00:34 | 46° |
| 暮光结束 (−12°) | 01:06 | 40° |
| 民用暮光结束 | 01:38 | 34° |
| 日出 | 02:08 | 28° |
| NGC1817落下 | 04:39 |
跟踪NGC1817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NGC1817在夜空中的位置变化。
NGC1817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 | 14:45 - 04:39 | 21:42 | 12:19 - 02:05 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2026-11-13 | 14:17 - 04:11 | 21:14 | 12:13 - 02:13 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2026-11-20 | 13:50 - 03:44 | 20:47 | 12:07 - 02:21 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2026-11-27 | 13:22 - 03:16 | 20:19 | 12:03 - 02:29 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2026-12-04 | 12:55 - 02:49 | 19:52 | 12:01 - 02:36 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2026-12-11 | 12:27 - 02:21 | 19:24 | 12:01 - 02:42 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2026-12-18 | 12:00 - 01:54 | 18:57 | 12:03 - 02:47 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2026-12-25 | 11:32 - 01:26 | 18:29 | 12:06 - 02:51 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2027-01-01 | 11:05 - 00:59 | 18:02 | 12:11 - 02:53 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2027-01-08 | 10:37 - 00:31 | 17:34 | 12:17 - 02:53 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2027-01-15 | 10:10 - 00:04 | 17:07 | 12:25 - 02:51 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2027-01-22 | 09:42 - 23:36 | 16:39 | 12:32 - 02:48 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2027-01-29 | 09:14 - 23:09 | 16:11 | 12:41 - 02:42 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2027-02-05 | 08:47 - 22:41 | 15:44 | 12:49 - 02:36 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2027-02-12 | 08:19 - 22:13 | 15:16 | 12:57 - 02:28 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2027-02-19 | 07:52 - 21:46 | 14:49 | 13:06 - 02:19 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2027-02-26 | 07:24 - 21:18 | 14:21 | 13:14 - 02:09 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2027-03-05 | 06:53 - 20:47 | 13:50 | 13:21 - 01:59 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2027-03-12 | 06:25 - 20:19 | 13:22 | 13:29 - 01:48 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2027-03-19 | 05:58 - 19:52 | 12:55 | 13:36 - 01:37 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2027-03-26 | 05:30 - 19:24 | 12:27 | 13:43 - 01:26 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2027-04-02 | 05:03 - 18:57 | 12:00 | 13:50 - 01:14 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2027-04-09 | 04:35 - 18:29 | 11:32 | 13:57 - 01:03 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2027-04-16 | 04:08 - 18:02 | 11:05 | 14:05 - 00:53 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2027-04-23 | 03:40 - 17:34 | 10:37 | 14:12 - 00:43 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2027-04-30 | 03:13 - 17:07 | 10:10 | 14:19 - 00:33 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2027-05-07 | 02:45 - 16:39 | 09:42 | 14:26 - 00:25 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2027-05-14 | 02:18 - 16:12 | 09:15 | 14:32 - 00:18 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2027-05-21 | 01:50 - 15:44 | 08:47 | 14:39 - 00:12 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2027-05-28 | 01:23 - 15:17 | 08:20 | 14:45 - 00:07 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2027-06-04 | 00:55 - 14:49 | 07:52 | 14:50 - 00:04 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2027-06-11 | 00:28 - 14:22 | 07:25 | 14:54 - 00:02 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2027-06-18 | 00:00 - 13:54 | 06:57 | 14:57 - 00:02 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2027-06-25 | 23:33 - 13:27 | 06:30 | 14:59 - 00:04 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2027-07-02 | 23:05 - 12:59 | 06:02 | 14:59 - 00:07 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2027-07-09 | 22:38 - 12:32 | 05:35 | 14:57 - 00:11 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2027-07-16 | 22:10 - 12:04 | 05:07 | 14:54 - 00:16 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2027-07-23 | 21:42 - 11:37 | 04:39 | 14:49 - 00:21 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2027-07-30 | 21:15 - 11:09 | 04:12 | 14:43 - 00:27 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2027-08-06 | 20:47 - 10:41 | 03:44 | 14:35 - 00:34 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2027-08-13 | 20:20 - 10:14 | 03:17 | 14:27 - 00:40 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2027-08-20 | 19:52 - 09:46 | 02:49 | 14:17 - 00:47 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2027-08-27 | 19:25 - 09:19 | 02:22 | 14:07 - 00:54 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2027-09-03 | 18:57 - 08:51 | 01:54 | 13:56 - 01:00 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2027-09-10 | 18:30 - 08:24 | 01:27 | 13:45 - 01:07 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2027-09-17 | 18:02 - 07:56 | 00:59 | 13:34 - 01:13 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2027-09-24 | 17:35 - 07:29 | 00:32 | 13:22 - 01:20 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2027-10-01 | 17:07 - 07:01 | 00:04 | 13:11 - 01:27 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2027-10-08 | 16:40 - 06:34 | 23:37 | 12:59 - 01:34 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2027-10-15 | 16:12 - 06:06 | 23:09 | 12:49 - 01:41 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2027-10-22 | 15:45 - 05:39 | 22:42 | 12:38 - 01:48 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2027-10-29 | 15:17 - 05:11 | 22:14 | 12:29 - 01:56 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||
| 2027-11-05 | 14:50 - 04:44 | 21:47 | 12:21 - 02:04 | RA: 05h 12m 26s", Dec: 16° 41' 02s @ 金牛座 | |||||