什么时候可以看到M39？
See how M39 visibility changes through the year from your location. The graph shows its seasonal observing windows, while the table gives rise, transit and set times for selected dates.
M39将持续可见至二月3日，随后因过于接近太阳而暂时从夜空中消失。
Best Months to See M39
Based on the amount of time M39 is above the horizon during dark or twilight hours, the strongest observing months in the next year are 十月 2026, 十一月 2026, 九月 2026.
M39全年的可见情况
M39在 2026-09-07 的可见情况
M39升起与落下时间表
| 时间 | 高度角 | |
| M39升起 | 11:38 | |
| 月落 | 14:56 | 21° |
| 日落 | 17:27 | 45° |
| 民用暮光开始 | 17:55 | 49° |
| 暮光开始 | 18:26 | 54° |
| 天文观测时段开始 | 18:58 | 60° |
| M39中天 | 21:34 | 79° |
月出，照明比例 21%  | 23:21 | 67° |
| 天文观测时段结束 | 03:13 | 30° |
| 暮光结束 | 03:45 | 25° |
| 民用暮光结束 | 04:17 | 21° |
| 日出 | 04:44 | 17° |
| M39落下 | 07:30 |
跟踪M39整夜的位置变化
← 2026年九月7日 →
| 时间 | |
| 高度角 | |
| 方位角 |
移动星图可更改时间，并观察M39在夜空中的位置变化。
M39每日升起、中天与落下时间
| 日期 | 升起—落下 | 中天 | 暮光 | 坐标 | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2026-09-06 | 11:42 - 07:34 | 21:38 | 17:24 - 04:41 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2026-09-13 | 11:14 - 07:06 | 21:10 | 17:14 - 04:46 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2026-09-20 | 10:47 - 06:39 | 20:43 | 17:03 - 04:52 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2026-09-27 | 10:19 - 06:11 | 20:15 | 16:52 - 04:58 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2026-10-04 | 09:52 - 05:44 | 19:48 | 16:42 - 05:04 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2026-10-11 | 09:24 - 05:16 | 19:20 | 16:32 - 05:10 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2026-10-18 | 08:56 - 04:49 | 18:53 | 16:22 - 05:17 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2026-10-25 | 08:29 - 04:21 | 18:25 | 16:13 - 05:24 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2026-11-01 | 08:01 - 03:53 | 17:57 | 16:05 - 05:31 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2026-11-08 | 07:34 - 03:26 | 17:30 | 15:58 - 05:38 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2026-11-15 | 07:06 - 02:58 | 17:02 | 15:52 - 05:45 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2026-11-22 | 06:39 - 02:31 | 16:35 | 15:48 - 05:52 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2026-11-29 | 06:11 - 02:03 | 16:07 | 15:45 - 05:59 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2026-12-06 | 05:44 - 01:36 | 15:40 | 15:44 - 06:06 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2026-12-13 | 05:16 - 01:08 | 15:12 | 15:44 - 06:12 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2026-12-20 | 04:45 - 00:37 | 14:41 | 15:47 - 06:16 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2026-12-27 | 04:17 - 00:09 | 14:13 | 15:51 - 06:19 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2027-01-03 | 03:50 - 23:42 | 13:46 | 15:56 - 06:21 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2027-01-10 | 03:22 - 23:14 | 13:18 | 16:02 - 06:21 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2027-01-17 | 02:55 - 22:47 | 12:51 | 16:09 - 06:19 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2027-01-24 | 02:27 - 22:19 | 12:23 | 16:16 - 06:16 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2027-01-31 | 02:00 - 21:52 | 11:56 | 16:24 - 06:11 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2027-02-07 | 01:32 - 21:24 | 11:28 | 16:32 - 06:05 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2027-02-14 | 01:05 - 20:57 | 11:01 | 16:39 - 05:57 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2027-02-21 | 00:37 - 20:29 | 10:33 | 16:47 - 05:49 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2027-02-28 | 00:10 - 20:02 | 10:06 | 16:54 - 05:40 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2027-03-07 | 23:42 - 19:34 | 09:38 | 17:00 - 05:30 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2027-03-14 | 23:15 - 19:07 | 09:11 | 17:07 - 05:20 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2027-03-21 | 22:47 - 18:39 | 08:43 | 17:14 - 05:09 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2027-03-28 | 22:20 - 18:12 | 08:16 | 17:20 - 04:59 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2027-04-04 | 21:52 - 17:44 | 07:48 | 17:26 - 04:48 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2027-04-11 | 21:24 - 17:17 | 07:21 | 17:32 - 04:38 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2027-04-18 | 20:57 - 16:49 | 06:53 | 17:39 - 04:29 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2027-04-25 | 20:29 - 16:21 | 06:25 | 17:45 - 04:19 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2027-05-02 | 20:02 - 15:54 | 05:58 | 17:51 - 04:11 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2027-05-09 | 19:34 - 15:26 | 05:30 | 17:57 - 04:04 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2027-05-16 | 19:07 - 14:59 | 05:03 | 18:03 - 03:57 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2027-05-23 | 18:39 - 14:31 | 04:35 | 18:09 - 03:52 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2027-05-30 | 18:12 - 14:04 | 04:08 | 18:14 - 03:49 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2027-06-06 | 17:44 - 13:36 | 03:40 | 18:19 - 03:46 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2027-06-13 | 17:17 - 13:09 | 03:13 | 18:22 - 03:45 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2027-06-20 | 16:49 - 12:41 | 02:45 | 18:25 - 03:46 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2027-06-27 | 16:22 - 12:14 | 02:18 | 18:26 - 03:48 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2027-07-04 | 15:54 - 11:46 | 01:50 | 18:26 - 03:51 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2027-07-11 | 15:27 - 11:19 | 01:23 | 18:24 - 03:55 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2027-07-18 | 14:59 - 10:51 | 00:55 | 18:21 - 04:00 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2027-07-25 | 14:32 - 10:24 | 00:28 | 18:16 - 04:05 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2027-08-01 | 14:04 - 09:56 | 00:00 | 18:10 - 04:11 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2027-08-08 | 13:37 - 09:29 | 23:33 | 18:03 - 04:16 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2027-08-15 | 13:09 - 09:01 | 23:05 | 17:55 - 04:22 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2027-08-22 | 12:42 - 08:34 | 22:38 | 17:46 - 04:28 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2027-08-29 | 12:14 - 08:06 | 22:10 | 17:37 - 04:34 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||
| 2027-09-05 | 11:46 - 07:39 | 21:43 | 17:26 - 04:40 | RA: 21h 31m 48s", Dec: 48° 26' 17s @ 天鹅座 | |||||