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25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8月, 2027年9月, 2027年7月。
NGC6840全年的可见情况
NGC6840在 2026-10-22 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 71.9%  | 14:01 | 43° |
| 日落 | 16:21 | 63° |
| 民用暮光开始 | 16:49 | 65° |
| NGC6840中天 | 17:01 | 65° |
| 暮光开始 (−12°) | 17:19 | 64° |
| 天文观测时段开始 | 17:49 | 62° |
| NGC6840落下 | 23:37 | |
| 月落 | 01:36 | -21° |
| 天文观测时段结束 | 03:55 | -38° |
| NGC6840升起 | 10:20 |
跟踪NGC6840整夜的位置变化
← 2026年10月22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 | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2026-10-22 | 10:24 - 23:37 | 17:01 | 16:17 - 05:21 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2026-10-29 | 09:56 - 23:10 | 16:33 | 16:08 - 05:27 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2026-11-05 | 09:29 - 22:42 | 16:05 | 16:01 - 05:35 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2026-11-12 | 09:01 - 22:15 | 15:38 | 15:54 - 05:42 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2026-11-19 | 08:34 - 21:47 | 15:10 | 15:49 - 05:49 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2026-11-26 | 08:02 - 21:16 | 14:39 | 15:46 - 05:56 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2026-12-03 | 07:35 - 20:48 | 14:11 | 15:44 - 06:03 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2026-12-10 | 07:07 - 20:21 | 13:44 | 15:44 - 06:09 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2026-12-17 | 06:40 - 19:53 | 13:16 | 15:46 - 06:14 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2026-12-24 | 06:12 - 19:25 | 12:49 | 15:49 - 06:18 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2026-12-31 | 05:45 - 18:58 | 12:21 | 15:53 - 06:20 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-01-07 | 05:17 - 18:30 | 11:54 | 15:59 - 06:21 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-01-14 | 04:50 - 18:03 | 11:26 | 16:06 - 06:20 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-01-21 | 04:22 - 17:35 | 10:59 | 16:13 - 06:17 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-01-28 | 03:55 - 17:08 | 10:31 | 16:21 - 06:13 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-02-04 | 03:27 - 16:40 | 10:04 | 16:28 - 06:07 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-02-11 | 03:00 - 16:13 | 09:36 | 16:36 - 06:00 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-02-18 | 02:32 - 15:45 | 09:09 | 16:43 - 05:52 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-02-25 | 02:05 - 15:18 | 08:41 | 16:51 - 05:44 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-03-04 | 01:37 - 14:50 | 08:14 | 16:58 - 05:34 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-03-11 | 01:09 - 14:23 | 07:46 | 17:04 - 05:24 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-03-18 | 00:42 - 13:55 | 07:19 | 17:11 - 05:14 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-03-25 | 00:14 - 13:28 | 06:51 | 17:17 - 05:03 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-04-01 | 23:47 - 13:00 | 06:24 | 17:23 - 04:53 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-04-08 | 23:19 - 12:33 | 05:56 | 17:30 - 04:43 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-04-15 | 22:52 - 12:05 | 05:29 | 17:36 - 04:33 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-04-22 | 22:24 - 11:38 | 05:01 | 17:42 - 04:23 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-04-29 | 21:57 - 11:10 | 04:33 | 17:48 - 04:15 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-05-06 | 21:29 - 10:43 | 04:06 | 17:55 - 04:07 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-05-13 | 21:02 - 10:15 | 03:38 | 18:01 - 04:00 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-05-20 | 20:34 - 09:48 | 03:11 | 18:07 - 03:54 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-05-27 | 20:07 - 09:20 | 02:43 | 18:12 - 03:50 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-06-03 | 19:39 - 08:52 | 02:16 | 18:17 - 03:47 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-06-10 | 19:12 - 08:25 | 01:48 | 18:21 - 03:46 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-06-17 | 18:44 - 07:57 | 01:21 | 18:24 - 03:46 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-06-24 | 18:17 - 07:30 | 00:53 | 18:26 - 03:47 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-07-01 | 17:49 - 07:02 | 00:26 | 18:26 - 03:49 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-07-08 | 17:22 - 06:35 | 23:58 | 18:25 - 03:53 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-07-15 | 16:54 - 06:07 | 23:31 | 18:22 - 03:58 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-07-22 | 16:27 - 05:40 | 23:03 | 18:18 - 04:03 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-07-29 | 15:59 - 05:12 | 22:36 | 18:13 - 04:08 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-08-05 | 15:32 - 04:45 | 22:08 | 18:06 - 04:14 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-08-12 | 15:04 - 04:17 | 21:41 | 17:59 - 04:20 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-08-19 | 14:36 - 03:50 | 21:13 | 17:50 - 04:26 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-08-26 | 14:09 - 03:22 | 20:46 | 17:41 - 04:31 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-09-02 | 13:41 - 02:55 | 20:18 | 17:31 - 04:37 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-09-09 | 13:14 - 02:27 | 19:51 | 17:20 - 04:43 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-09-16 | 12:46 - 02:00 | 19:23 | 17:10 - 04:49 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-09-23 | 12:19 - 01:32 | 18:55 | 16:59 - 04:54 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-09-30 | 11:51 - 01:05 | 18:28 | 16:48 - 05:00 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-10-07 | 11:24 - 00:37 | 18:00 | 16:38 - 05:06 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-10-14 | 10:56 - 00:10 | 17:33 | 16:28 - 05:13 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||
| 2027-10-21 | 10:29 - 23:42 | 17:05 | 16:18 - 05:19 | RA: 19h 55m 16s", Dec: 12° 06' 52s @ 天鹰座 | |||||