什么时候可以看到NGC6639？
查看NGC6639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。
NGC6639将在3月8日前后远离太阳并再次可见。
观测NGC6639的最佳月份
根据NGC6639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6月, 2027年8月。
NGC6639全年的可见情况
NGC6639在 2026-11-06 的可见情况
NGC6639升起与落下时间表
| 时间 | 高度角 | |
月出，照明比例 18.4%  | 22:13 | -61° |
| 月落 | 10:25 | 36° |
| NGC6639中天 | 11:02 | 37° |
| 日落 | 12:23 | 34° |
| 民用暮光开始 | 12:53 | 31° |
| 暮光开始 (−12°) | 13:25 | 27° |
| 天文观测时段开始 | 13:57 | 23° |
| NGC6639落下 | 16:16 | |
| 天文观测时段结束 | 00:34 | -56° |
| NGC6639升起 | 05:44 |
跟踪NGC6639整夜的位置变化
← 2026年11月6日 →
| 时间 | |
| 高度角 | |
| 方位角 |
移动星图可更改时间，并观察NGC6639在夜空中的位置变化。
NGC6639每日升起、中天与落下时间
| 日期 | 升起—落下 | 中天 | 暮光 | 坐标 | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2026-11-06 | 05:44 - 16:12 | 10:58 | 12:19 - 02:05 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2026-11-13 | 05:17 - 15:45 | 10:31 | 12:13 - 02:13 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2026-11-20 | 04:49 - 15:17 | 10:03 | 12:07 - 02:21 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2026-11-27 | 04:22 - 14:50 | 09:36 | 12:03 - 02:29 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2026-12-04 | 03:54 - 14:22 | 09:08 | 12:01 - 02:36 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2026-12-11 | 03:27 - 13:54 | 08:41 | 12:01 - 02:42 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2026-12-18 | 02:59 - 13:27 | 08:13 | 12:03 - 02:47 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2026-12-25 | 02:32 - 12:59 | 07:45 | 12:06 - 02:51 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2027-01-01 | 02:04 - 12:32 | 07:18 | 12:11 - 02:53 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2027-01-08 | 01:36 - 12:04 | 06:50 | 12:17 - 02:53 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2027-01-15 | 01:09 - 11:37 | 06:23 | 12:25 - 02:51 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2027-01-22 | 00:41 - 11:09 | 05:55 | 12:32 - 02:48 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2027-01-29 | 00:14 - 10:42 | 05:28 | 12:41 - 02:42 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2027-02-05 | 23:46 - 10:14 | 05:00 | 12:49 - 02:36 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2027-02-12 | 23:19 - 09:47 | 04:33 | 12:57 - 02:28 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2027-02-19 | 22:51 - 09:19 | 04:05 | 13:06 - 02:19 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2027-02-26 | 22:24 - 08:52 | 03:38 | 13:14 - 02:09 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2027-03-05 | 21:56 - 08:24 | 03:10 | 13:21 - 01:59 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2027-03-12 | 21:29 - 07:57 | 02:43 | 13:29 - 01:48 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2027-03-19 | 21:01 - 07:29 | 02:15 | 13:36 - 01:37 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2027-03-26 | 20:34 - 07:02 | 01:48 | 13:43 - 01:26 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2027-04-02 | 20:06 - 06:34 | 01:20 | 13:50 - 01:14 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2027-04-09 | 19:39 - 06:07 | 00:53 | 13:57 - 01:03 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2027-04-16 | 19:11 - 05:39 | 00:25 | 14:05 - 00:53 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2027-04-23 | 18:44 - 05:12 | 23:58 | 14:12 - 00:43 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2027-04-30 | 18:16 - 04:44 | 23:30 | 14:19 - 00:33 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2027-05-07 | 17:49 - 04:17 | 23:03 | 14:26 - 00:25 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2027-05-14 | 17:21 - 03:49 | 22:35 | 14:32 - 00:18 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2027-05-21 | 16:54 - 03:21 | 22:08 | 14:39 - 00:12 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2027-05-28 | 16:26 - 02:54 | 21:40 | 14:45 - 00:07 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2027-06-04 | 15:58 - 02:26 | 21:12 | 14:50 - 00:04 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2027-06-11 | 15:31 - 01:59 | 20:45 | 14:54 - 00:02 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2027-06-18 | 15:03 - 01:31 | 20:17 | 14:57 - 00:02 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2027-06-25 | 14:36 - 01:04 | 19:50 | 14:59 - 00:04 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2027-07-02 | 14:08 - 00:36 | 19:22 | 14:59 - 00:07 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2027-07-09 | 13:41 - 00:09 | 18:55 | 14:57 - 00:11 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2027-07-16 | 13:13 - 23:41 | 18:27 | 14:54 - 00:16 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2027-07-23 | 12:46 - 23:14 | 18:00 | 14:49 - 00:21 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2027-07-30 | 12:18 - 22:46 | 17:32 | 14:43 - 00:27 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2027-08-06 | 11:51 - 22:19 | 17:05 | 14:35 - 00:34 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2027-08-13 | 11:23 - 21:51 | 16:37 | 14:27 - 00:40 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2027-08-20 | 10:56 - 21:24 | 16:10 | 14:17 - 00:47 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2027-08-27 | 10:28 - 20:56 | 15:42 | 14:07 - 00:54 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2027-09-03 | 10:01 - 20:29 | 15:15 | 13:56 - 01:00 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2027-09-10 | 09:33 - 20:01 | 14:47 | 13:45 - 01:07 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2027-09-17 | 09:06 - 19:34 | 14:20 | 13:34 - 01:13 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2027-09-24 | 08:34 - 19:02 | 13:48 | 13:22 - 01:20 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2027-10-01 | 08:07 - 18:35 | 13:21 | 13:11 - 01:27 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2027-10-08 | 07:39 - 18:07 | 12:53 | 12:59 - 01:34 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2027-10-15 | 07:12 - 17:40 | 12:26 | 12:49 - 01:41 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2027-10-22 | 06:44 - 17:12 | 11:58 | 12:38 - 01:48 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2027-10-29 | 06:17 - 16:45 | 11:31 | 12:29 - 01:56 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||
| 2027-11-05 | 05:49 - 16:17 | 11:03 | 12:21 - 02:04 | RA: 18h 30m 59s", Dec: -13° 09' 20s @ 盾牌座 | |||||