什么时候可以看到NGC6840？
查看NGC6840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。
NGC6840将持续可见至12月9日，随后因过于接近太阳而暂时从夜空中消失。
观测NGC6840的最佳月份
根据NGC6840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7月, 2027年8月, 2027年6月。
NGC6840全年的可见情况
NGC6840在 2026-11-11 的可见情况
NGC6840升起与落下时间表
| 时间 | 高度角 | |
月出，照明比例 3%  | 07:14 | -48° |
| NGC6840中天 | 16:31 | 78° |
| 日落 | 17:46 | 68° |
| 民用暮光开始 | 18:09 | 63° |
| 暮光开始 (−12°) | 18:34 | 57° |
| 天文观测时段开始 | 18:59 | 51° |
| 月落 | 19:40 | 42° |
| NGC6840落下 | 22:30 | |
| 天文观测时段结束 | 04:28 | -78° |
| NGC6840升起 | 10:28 |
跟踪NGC6840整夜的位置变化
← 2026年11月11日 →
| 时间 | |
| 高度角 | |
| 方位角 |
移动星图可更改时间，并观察NGC6840在夜空中的位置变化。
NGC6840每日升起、中天与落下时间
| 日期 | 升起—落下 | 中天 | 暮光 | 坐标 | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2026-11-11 | 10:32 - 22:30 | 16:31 | 17:43 - 05:40 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2026-11-18 | 10:05 - 22:03 | 16:04 | 17:44 - 05:41 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2026-11-25 | 09:37 - 21:35 | 15:36 | 17:46 - 05:43 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2026-12-02 | 09:10 - 21:08 | 15:09 | 17:48 - 05:45 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2026-12-09 | 08:42 - 20:40 | 14:41 | 17:51 - 05:48 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2026-12-16 | 08:15 - 20:13 | 14:14 | 17:54 - 05:51 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2026-12-23 | 07:47 - 19:45 | 13:46 | 17:58 - 05:55 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2026-12-30 | 07:20 - 19:18 | 13:19 | 18:01 - 05:58 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-01-06 | 06:52 - 18:50 | 12:51 | 18:05 - 06:02 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-01-13 | 06:25 - 18:23 | 12:24 | 18:07 - 06:04 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-01-20 | 05:57 - 17:55 | 11:56 | 18:10 - 06:07 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-01-27 | 05:30 - 17:28 | 11:29 | 18:12 - 06:09 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-02-03 | 05:02 - 17:00 | 11:01 | 18:13 - 06:10 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-02-10 | 04:35 - 16:33 | 10:34 | 18:13 - 06:10 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-02-17 | 04:07 - 16:05 | 10:06 | 18:13 - 06:10 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-02-24 | 03:40 - 15:38 | 09:39 | 18:12 - 06:09 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-03-03 | 03:12 - 15:10 | 09:11 | 18:11 - 06:08 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-03-10 | 02:45 - 14:43 | 08:44 | 18:09 - 06:07 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-03-17 | 02:17 - 14:15 | 08:16 | 18:07 - 06:05 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-03-24 | 01:49 - 13:48 | 07:49 | 18:05 - 06:03 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-03-31 | 01:22 - 13:20 | 07:21 | 18:03 - 06:01 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-04-07 | 00:54 - 12:52 | 06:53 | 18:01 - 05:59 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-04-14 | 00:27 - 12:25 | 06:26 | 17:59 - 05:57 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-04-21 | 23:59 - 11:57 | 05:58 | 17:58 - 05:55 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-04-28 | 23:32 - 11:30 | 05:31 | 17:57 - 05:54 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-05-05 | 23:04 - 11:02 | 05:03 | 17:56 - 05:53 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-05-12 | 22:37 - 10:35 | 04:36 | 17:55 - 05:52 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-05-19 | 22:09 - 10:07 | 04:08 | 17:56 - 05:53 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-05-26 | 21:42 - 09:40 | 03:41 | 17:56 - 05:53 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-06-02 | 21:14 - 09:12 | 03:13 | 17:57 - 05:54 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-06-09 | 20:47 - 08:45 | 02:46 | 17:58 - 05:55 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-06-16 | 20:19 - 08:17 | 02:18 | 18:00 - 05:57 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-06-23 | 19:52 - 07:50 | 01:51 | 18:01 - 05:58 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-06-30 | 19:24 - 07:22 | 01:23 | 18:03 - 06:00 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-07-07 | 18:57 - 06:55 | 00:56 | 18:04 - 06:01 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-07-14 | 18:29 - 06:27 | 00:28 | 18:05 - 06:02 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-07-21 | 17:58 - 05:56 | 23:57 | 18:05 - 06:02 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-07-28 | 17:30 - 05:28 | 23:29 | 18:06 - 06:03 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-08-04 | 17:03 - 05:01 | 23:02 | 18:05 - 06:02 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-08-11 | 16:35 - 04:33 | 22:34 | 18:04 - 06:01 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-08-18 | 16:08 - 04:06 | 22:07 | 18:03 - 06:00 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-08-25 | 15:40 - 03:38 | 21:39 | 18:01 - 05:58 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-09-01 | 15:13 - 03:11 | 21:12 | 17:59 - 05:56 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-09-08 | 14:45 - 02:43 | 20:44 | 17:57 - 05:54 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-09-15 | 14:17 - 02:16 | 20:17 | 17:54 - 05:52 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-09-22 | 13:50 - 01:48 | 19:49 | 17:52 - 05:49 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-09-29 | 13:22 - 01:20 | 19:21 | 17:49 - 05:47 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-10-06 | 12:55 - 00:53 | 18:54 | 17:47 - 05:45 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-10-13 | 12:27 - 00:25 | 18:26 | 17:45 - 05:43 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-10-20 | 12:00 - 23:58 | 17:59 | 17:44 - 05:41 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-10-27 | 11:32 - 23:30 | 17:31 | 17:43 - 05:40 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-11-03 | 11:05 - 23:03 | 17:04 | 17:43 - 05:40 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-11-10 | 10:37 - 22:35 | 16:36 | 17:43 - 05:40 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||