什么时候可以看到M91？
查看M91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。
M91将在11月4日前后远离太阳并再次可见。
观测M91的最佳月份
根据M91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3月, 2027年2月, 2027年4月。
M91全年的可见情况
M91在 2026-10-26 的可见情况
M91升起与落下时间表
| 时间 | 高度角 | |
| M91中天 | 09:26 | 67° |
月出，照明比例 99.8%  | 15:47 | 4° |
| M91落下 | 16:11 | |
| 天文观测时段开始 | 17:45 | -17° |
| M91升起 | 02:38 | |
| 天文观测时段结束 | 03:59 | 16° |
| 暮光结束 (−12°) | 04:29 | 22° |
| 民用暮光结束 | 04:59 | 28° |
| 日出 | 05:27 | 33° |
| 月落 | 06:10 | 42° |
跟踪M91整夜的位置变化
← 2026年10月26日 →
| 时间 | |
| 高度角 | |
| 方位角 |
移动星图可更改时间，并观察M91在夜空中的位置变化。
M91每日升起、中天与落下时间
| 日期 | 升起—落下 | 中天 | 暮光 | 坐标 | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2026-10-25 | 02:42 - 16:11 | 09:26 | 16:13 - 05:24 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2026-11-01 | 02:14 - 15:43 | 08:59 | 16:05 - 05:31 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2026-11-08 | 01:47 - 15:16 | 08:31 | 15:58 - 05:38 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2026-11-15 | 01:19 - 14:48 | 08:04 | 15:52 - 05:45 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2026-11-22 | 00:52 - 14:20 | 07:36 | 15:48 - 05:52 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2026-11-29 | 00:24 - 13:53 | 07:09 | 15:45 - 05:59 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2026-12-06 | 23:57 - 13:25 | 06:41 | 15:44 - 06:06 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2026-12-13 | 23:29 - 12:58 | 06:13 | 15:44 - 06:12 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2026-12-20 | 23:02 - 12:30 | 05:46 | 15:47 - 06:16 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2026-12-27 | 22:34 - 12:03 | 05:18 | 15:51 - 06:19 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2027-01-03 | 22:07 - 11:35 | 04:51 | 15:56 - 06:21 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2027-01-10 | 21:39 - 11:08 | 04:23 | 16:02 - 06:21 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2027-01-17 | 21:11 - 10:40 | 03:56 | 16:09 - 06:19 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2027-01-24 | 20:44 - 10:13 | 03:28 | 16:16 - 06:16 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2027-01-31 | 20:16 - 09:45 | 03:01 | 16:24 - 06:11 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2027-02-07 | 19:49 - 09:18 | 02:33 | 16:32 - 06:05 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2027-02-14 | 19:21 - 08:50 | 02:06 | 16:39 - 05:57 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2027-02-21 | 18:54 - 08:23 | 01:38 | 16:47 - 05:49 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2027-02-28 | 18:26 - 07:55 | 01:11 | 16:54 - 05:40 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2027-03-07 | 17:59 - 07:28 | 00:43 | 17:00 - 05:30 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2027-03-14 | 17:31 - 07:00 | 00:16 | 17:07 - 05:20 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2027-03-21 | 17:04 - 06:33 | 23:48 | 17:14 - 05:09 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2027-03-28 | 16:36 - 06:05 | 23:21 | 17:20 - 04:59 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2027-04-04 | 16:09 - 05:38 | 22:53 | 17:26 - 04:48 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2027-04-11 | 15:41 - 05:10 | 22:26 | 17:32 - 04:38 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2027-04-18 | 15:14 - 04:42 | 21:58 | 17:39 - 04:29 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2027-04-25 | 14:46 - 04:15 | 21:31 | 17:45 - 04:19 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2027-05-02 | 14:19 - 03:47 | 21:03 | 17:51 - 04:11 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2027-05-09 | 13:51 - 03:20 | 20:36 | 17:57 - 04:04 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2027-05-16 | 13:24 - 02:52 | 20:08 | 18:03 - 03:57 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2027-05-23 | 12:56 - 02:25 | 19:40 | 18:09 - 03:52 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2027-05-30 | 12:29 - 01:57 | 19:13 | 18:14 - 03:49 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2027-06-06 | 12:01 - 01:30 | 18:45 | 18:19 - 03:46 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2027-06-13 | 11:33 - 01:02 | 18:18 | 18:22 - 03:45 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2027-06-20 | 11:06 - 00:35 | 17:50 | 18:25 - 03:46 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2027-06-27 | 10:38 - 00:07 | 17:23 | 18:26 - 03:48 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2027-07-04 | 10:11 - 23:40 | 16:55 | 18:26 - 03:51 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2027-07-11 | 09:43 - 23:12 | 16:28 | 18:24 - 03:55 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2027-07-18 | 09:16 - 22:45 | 16:00 | 18:21 - 04:00 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2027-07-25 | 08:48 - 22:17 | 15:33 | 18:16 - 04:05 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2027-08-01 | 08:21 - 21:50 | 15:05 | 18:10 - 04:11 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2027-08-08 | 07:49 - 21:18 | 14:34 | 18:03 - 04:16 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2027-08-15 | 07:22 - 20:51 | 14:06 | 17:55 - 04:22 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2027-08-22 | 06:54 - 20:23 | 13:39 | 17:46 - 04:28 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2027-08-29 | 06:27 - 19:56 | 13:11 | 17:37 - 04:34 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2027-09-05 | 05:59 - 19:28 | 12:44 | 17:26 - 04:40 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2027-09-12 | 05:32 - 19:01 | 12:16 | 17:16 - 04:45 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2027-09-19 | 05:04 - 18:33 | 11:49 | 17:05 - 04:51 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2027-09-26 | 04:37 - 18:06 | 11:21 | 16:54 - 04:57 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2027-10-03 | 04:09 - 17:38 | 10:54 | 16:44 - 05:03 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2027-10-10 | 03:42 - 17:10 | 10:26 | 16:33 - 05:09 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2027-10-17 | 03:14 - 16:43 | 09:59 | 16:24 - 05:16 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||
| 2027-10-24 | 02:47 - 16:15 | 09:31 | 16:14 - 05:22 | RA: 12h 35m 26s", Dec: 14° 29' 46s @ 后发座 | |||||