When Is NGC6640 Visible During the Year?
See how NGC6640 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.
NGC6640 will remain visible until November 14, when it moves too close to the Sun and temporarily disappears from the night sky.
Best Months to See NGC6640
Based on the amount of time NGC6640 is above the horizon during dark or twilight hours, the strongest observing months in the next year are June 2027, July 2027, May 2027.
NGC6640 Visibility Throughout the Year
NGC6640 visibility on 2026-10-28
NGC6640 Visible from sunset until before midnight
NGC6640 rise and set timetable
| Time | Elevation | |
| NGC6640 transit | 17:05 | 57° |
| Sunset | 18:49 | 49° |
| Civil sunset | 19:11 | 46° |
| Twilight start (−12°) | 19:36 | 42° |
| Astronomical observing session begins | 20:01 | 37° |
Moonrise, 95.2% illuminated  | 20:52 | 28° |
| NGC6640 set | 23:08 | |
| Astronomical observing session ends | 05:35 | -54° |
| Moonset | 09:30 | -18° |
| NGC6640 rise | 10:59 |
Track NGC6640 position throughout the night
← 28 October 2026 →
| Time | |
| Altitude | |
| Azimuth |
Shift the map to change the time and observe NGC6640 changing position in the night sky.
NGC6640 Rise, Transit and Set Times by Date
| Date | Rise — Set | Transit | Twilight | Coordinates | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2026-10-28 | 11:03 - 23:08 | 17:05 | 18:47 - 06:47 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2026-11-04 | 10:35 - 22:41 | 16:38 | 18:47 - 06:47 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2026-11-11 | 10:08 - 22:13 | 16:10 | 18:47 - 06:48 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2026-11-18 | 09:40 - 21:46 | 15:43 | 18:48 - 06:49 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2026-11-25 | 09:13 - 21:18 | 15:15 | 18:50 - 06:51 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2026-12-02 | 08:45 - 20:51 | 14:48 | 18:52 - 06:53 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2026-12-09 | 08:18 - 20:23 | 14:20 | 18:55 - 06:56 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2026-12-16 | 07:50 - 19:55 | 13:53 | 18:58 - 07:00 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2026-12-23 | 07:23 - 19:28 | 13:25 | 19:01 - 07:03 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2026-12-30 | 06:55 - 19:00 | 12:58 | 19:05 - 07:06 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2027-01-06 | 06:28 - 18:33 | 12:30 | 19:08 - 07:10 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2027-01-13 | 06:00 - 18:05 | 12:03 | 19:11 - 07:12 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2027-01-20 | 05:32 - 17:38 | 11:35 | 19:14 - 07:15 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2027-01-27 | 05:05 - 17:10 | 11:08 | 19:16 - 07:16 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2027-02-03 | 04:37 - 16:43 | 10:40 | 19:17 - 07:17 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2027-02-10 | 04:10 - 16:15 | 10:13 | 19:18 - 07:18 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2027-02-17 | 03:42 - 15:48 | 09:45 | 19:18 - 07:17 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2027-02-24 | 03:15 - 15:20 | 09:18 | 19:17 - 07:16 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2027-03-03 | 02:47 - 14:53 | 08:50 | 19:16 - 07:15 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2027-03-10 | 02:20 - 14:25 | 08:23 | 19:15 - 07:13 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2027-03-17 | 01:48 - 13:54 | 07:51 | 19:13 - 07:11 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2027-03-24 | 01:21 - 13:26 | 07:24 | 19:11 - 07:08 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2027-03-31 | 00:53 - 12:59 | 06:56 | 19:09 - 07:06 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2027-04-07 | 00:26 - 12:31 | 06:28 | 19:08 - 07:04 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2027-04-14 | 23:58 - 12:04 | 06:01 | 19:06 - 07:02 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2027-04-21 | 23:31 - 11:36 | 05:33 | 19:05 - 07:00 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2027-04-28 | 23:03 - 11:09 | 05:06 | 19:04 - 06:58 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2027-05-05 | 22:36 - 10:41 | 04:38 | 19:03 - 06:57 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2027-05-12 | 22:08 - 10:14 | 04:11 | 19:03 - 06:57 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2027-05-19 | 21:41 - 09:46 | 03:43 | 19:03 - 06:56 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2027-05-26 | 21:13 - 09:19 | 03:16 | 19:04 - 06:57 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2027-06-02 | 20:46 - 08:51 | 02:48 | 19:05 - 06:58 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2027-06-09 | 20:18 - 08:23 | 02:21 | 19:06 - 06:59 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2027-06-16 | 19:51 - 07:56 | 01:53 | 19:08 - 07:00 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2027-06-23 | 19:23 - 07:28 | 01:26 | 19:09 - 07:02 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2027-06-30 | 18:56 - 07:01 | 00:58 | 19:11 - 07:03 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2027-07-07 | 18:28 - 06:33 | 00:31 | 19:12 - 07:04 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2027-07-14 | 18:00 - 06:06 | 00:03 | 19:13 - 07:06 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2027-07-21 | 17:33 - 05:38 | 23:36 | 19:13 - 07:06 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2027-07-28 | 17:05 - 05:11 | 23:08 | 19:13 - 07:07 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2027-08-04 | 16:38 - 04:43 | 22:41 | 19:13 - 07:06 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2027-08-11 | 16:10 - 04:16 | 22:13 | 19:12 - 07:06 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2027-08-18 | 15:43 - 03:48 | 21:46 | 19:10 - 07:05 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2027-08-25 | 15:15 - 03:21 | 21:18 | 19:08 - 07:03 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2027-09-01 | 14:48 - 02:53 | 20:51 | 19:06 - 07:01 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2027-09-08 | 14:20 - 02:26 | 20:23 | 19:03 - 06:59 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2027-09-15 | 13:53 - 01:58 | 19:55 | 19:01 - 06:57 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2027-09-22 | 13:25 - 01:31 | 19:28 | 18:58 - 06:55 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2027-09-29 | 12:58 - 01:03 | 19:00 | 18:55 - 06:53 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2027-10-06 | 12:30 - 00:36 | 18:33 | 18:53 - 06:51 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2027-10-13 | 12:03 - 00:08 | 18:05 | 18:51 - 06:49 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2027-10-20 | 11:35 - 23:41 | 17:38 | 18:49 - 06:48 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||
| 2027-10-27 | 11:08 - 23:13 | 17:10 | 18:48 - 06:47 | RA: 18h 28m 08s", Dec: 34° 18' 09s @ LYRA | |||||