什么时候可以看到NGC7640？
查看NGC7640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。
NGC7640将持续可见至1月15日，随后因过于接近太阳而暂时从夜空中消失。
观测NGC7640的最佳月份
根据NGC7640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9月, 2027年8月, 2027年10月。
NGC7640全年的可见情况
NGC7640在 2026-11-04 的可见情况
NGC7640升起与落下时间表
| 时间 | 高度角 | |
月出，照明比例 27.3%  | 01:50 | 7° |
| 月落 | 14:12 | -3° |
| NGC7640升起 | 14:26 | |
| 日落 | 17:46 | 35° |
| 民用暮光开始 | 18:08 | 39° |
| 暮光开始 (−12°) | 18:33 | 42° |
| 天文观测时段开始 | 18:58 | 45° |
| NGC7640中天 | 20:25 | 49° |
| NGC7640落下 | 02:24 | |
| 天文观测时段结束 | 04:28 | -23° |
跟踪NGC7640整夜的位置变化
← 2026年11月4日 →
| 时间 | |
| 高度角 | |
| 方位角 |
移动星图可更改时间，并观察NGC7640在夜空中的位置变化。
NGC7640每日升起、中天与落下时间
| 日期 | 升起—落下 | 中天 | 暮光 | 坐标 | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2026-11-04 | 14:26 - 02:24 | 20:25 | 17:43 - 05:40 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2026-11-11 | 13:59 - 01:57 | 19:58 | 17:43 - 05:40 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2026-11-18 | 13:31 - 01:29 | 19:30 | 17:44 - 05:41 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2026-11-25 | 13:04 - 01:02 | 19:03 | 17:46 - 05:43 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2026-12-02 | 12:36 - 00:34 | 18:35 | 17:48 - 05:45 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2026-12-09 | 12:09 - 00:07 | 18:08 | 17:51 - 05:48 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2026-12-16 | 11:41 - 23:39 | 17:40 | 17:54 - 05:51 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2026-12-23 | 11:14 - 23:12 | 17:13 | 17:58 - 05:55 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2026-12-30 | 10:46 - 22:44 | 16:45 | 18:01 - 05:58 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2027-01-06 | 10:19 - 22:17 | 16:18 | 18:05 - 06:02 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2027-01-13 | 09:51 - 21:49 | 15:50 | 18:07 - 06:04 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2027-01-20 | 09:23 - 21:22 | 15:22 | 18:10 - 06:07 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2027-01-27 | 08:56 - 20:54 | 14:55 | 18:12 - 06:09 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2027-02-03 | 08:28 - 20:26 | 14:27 | 18:13 - 06:10 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2027-02-10 | 08:01 - 19:59 | 14:00 | 18:13 - 06:10 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2027-02-17 | 07:33 - 19:31 | 13:32 | 18:13 - 06:10 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2027-02-24 | 07:06 - 19:04 | 13:05 | 18:12 - 06:09 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2027-03-03 | 06:38 - 18:36 | 12:37 | 18:11 - 06:08 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2027-03-10 | 06:11 - 18:09 | 12:10 | 18:09 - 06:07 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2027-03-17 | 05:43 - 17:41 | 11:42 | 18:07 - 06:05 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2027-03-24 | 05:16 - 17:14 | 11:15 | 18:05 - 06:03 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2027-03-31 | 04:48 - 16:46 | 10:47 | 18:03 - 06:01 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2027-04-07 | 04:21 - 16:19 | 10:20 | 18:01 - 05:59 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2027-04-14 | 03:53 - 15:51 | 09:52 | 17:59 - 05:57 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2027-04-21 | 03:26 - 15:24 | 09:25 | 17:58 - 05:55 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2027-04-28 | 02:58 - 14:56 | 08:57 | 17:57 - 05:54 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2027-05-05 | 02:31 - 14:29 | 08:30 | 17:56 - 05:53 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2027-05-12 | 02:03 - 14:01 | 08:02 | 17:55 - 05:52 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2027-05-19 | 01:36 - 13:34 | 07:35 | 17:56 - 05:53 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2027-05-26 | 01:08 - 13:06 | 07:07 | 17:56 - 05:53 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2027-06-02 | 00:41 - 12:39 | 06:40 | 17:57 - 05:54 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2027-06-09 | 00:13 - 12:11 | 06:12 | 17:58 - 05:55 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2027-06-16 | 23:45 - 11:44 | 05:45 | 18:00 - 05:57 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2027-06-23 | 23:18 - 11:16 | 05:17 | 18:01 - 05:58 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2027-06-30 | 22:50 - 10:48 | 04:49 | 18:03 - 06:00 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2027-07-07 | 22:23 - 10:21 | 04:22 | 18:04 - 06:01 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2027-07-14 | 21:55 - 09:53 | 03:54 | 18:05 - 06:02 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2027-07-21 | 21:28 - 09:26 | 03:27 | 18:05 - 06:02 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2027-07-28 | 21:00 - 08:58 | 02:59 | 18:06 - 06:03 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2027-08-04 | 20:33 - 08:31 | 02:32 | 18:05 - 06:02 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2027-08-11 | 20:05 - 08:03 | 02:04 | 18:04 - 06:01 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2027-08-18 | 19:38 - 07:36 | 01:37 | 18:03 - 06:00 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2027-08-25 | 19:10 - 07:08 | 01:09 | 18:01 - 05:58 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2027-09-01 | 18:43 - 06:41 | 00:42 | 17:59 - 05:56 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2027-09-08 | 18:15 - 06:13 | 00:14 | 17:57 - 05:54 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2027-09-15 | 17:44 - 05:42 | 23:43 | 17:54 - 05:52 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2027-09-22 | 17:16 - 05:14 | 23:15 | 17:52 - 05:49 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2027-09-29 | 16:49 - 04:47 | 22:48 | 17:49 - 05:47 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2027-10-06 | 16:21 - 04:19 | 22:20 | 17:47 - 05:45 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2027-10-13 | 15:54 - 03:52 | 21:53 | 17:45 - 05:43 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2027-10-20 | 15:26 - 03:24 | 21:25 | 17:44 - 05:41 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2027-10-27 | 14:59 - 02:57 | 20:58 | 17:43 - 05:40 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||
| 2027-11-03 | 14:31 - 02:29 | 20:30 | 17:43 - 05:40 | RA: 23h 22m 06s", Dec: 40° 50' 43s @ 仙女座 | |||||