When Is M100 Visible During the Year?
See how M100 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.
M100 will become visible again around October 31 after moving far enough from the Sun.
Best Months to See M100
Based on the amount of time M100 is above the horizon during dark or twilight hours, the strongest observing months in the next year are March 2027, February 2027, April 2027.
M100 Visibility Throughout the Year
M100 visibility on 2026-09-07
M100 Visible from sunset until early morning
M100 rise and set timetable
| Time | Elevation | |
| M100 transit | 12:26 | 68° |
| Moonset | 14:56 | 51° |
| Sunset | 17:27 | 21° |
| Civil sunset | 17:55 | 15° |
| Twilight start | 18:26 | 9° |
| Astronomical observing session begins | 18:58 | 3° |
| M100 set | 19:15 | |
Moonrise, 21% illuminated  | 23:21 | -35° |
| Astronomical observing session ends | 03:13 | -24° |
| M100 rise | 05:34 |
Track M100 Position Throughout the Night
← 7 September 2026 →
| Time | |
| Altitude | |
| Azimuth |
Shift the map to change the time and observe M100 changing position in the night sky.
M100 Rise, Transit and Set Times by Date
| Date | Rise — Set | Transit | Twilight | Coordinates | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2026-09-06 | 05:37 - 19:15 | 12:26 | 17:24 - 04:41 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2026-09-13 | 05:10 - 18:48 | 11:59 | 17:14 - 04:46 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2026-09-20 | 04:42 - 18:20 | 11:31 | 17:03 - 04:52 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2026-09-27 | 04:15 - 17:53 | 11:04 | 16:52 - 04:58 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2026-10-04 | 03:47 - 17:25 | 10:36 | 16:42 - 05:04 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2026-10-11 | 03:20 - 16:58 | 10:09 | 16:32 - 05:10 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2026-10-18 | 02:52 - 16:30 | 09:41 | 16:22 - 05:17 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2026-10-25 | 02:25 - 16:03 | 09:14 | 16:13 - 05:24 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2026-11-01 | 01:57 - 15:35 | 08:46 | 16:05 - 05:31 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2026-11-08 | 01:30 - 15:07 | 08:19 | 15:58 - 05:38 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2026-11-15 | 01:02 - 14:40 | 07:51 | 15:52 - 05:45 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2026-11-22 | 00:35 - 14:12 | 07:24 | 15:48 - 05:52 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2026-11-29 | 00:07 - 13:45 | 06:56 | 15:45 - 05:59 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2026-12-06 | 23:40 - 13:17 | 06:29 | 15:44 - 06:06 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2026-12-13 | 23:12 - 12:50 | 06:01 | 15:44 - 06:12 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2026-12-20 | 22:45 - 12:22 | 05:33 | 15:47 - 06:16 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2026-12-27 | 22:17 - 11:55 | 05:06 | 15:51 - 06:19 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2027-01-03 | 21:50 - 11:27 | 04:38 | 15:56 - 06:21 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2027-01-10 | 21:22 - 11:00 | 04:11 | 16:02 - 06:21 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2027-01-17 | 20:55 - 10:32 | 03:43 | 16:09 - 06:19 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2027-01-24 | 20:27 - 10:05 | 03:16 | 16:16 - 06:16 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2027-01-31 | 19:59 - 09:37 | 02:48 | 16:24 - 06:11 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2027-02-07 | 19:32 - 09:10 | 02:21 | 16:32 - 06:05 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2027-02-14 | 19:04 - 08:42 | 01:53 | 16:39 - 05:57 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2027-02-21 | 18:37 - 08:15 | 01:26 | 16:47 - 05:49 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2027-02-28 | 18:09 - 07:47 | 00:58 | 16:54 - 05:40 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2027-03-07 | 17:42 - 07:20 | 00:31 | 17:00 - 05:30 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2027-03-14 | 17:14 - 06:52 | 00:03 | 17:07 - 05:20 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2027-03-21 | 16:47 - 06:25 | 23:36 | 17:14 - 05:09 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2027-03-28 | 16:19 - 05:57 | 23:08 | 17:20 - 04:59 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2027-04-04 | 15:52 - 05:29 | 22:41 | 17:26 - 04:48 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2027-04-11 | 15:24 - 05:02 | 22:13 | 17:32 - 04:38 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2027-04-18 | 14:57 - 04:34 | 21:46 | 17:39 - 04:29 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2027-04-25 | 14:29 - 04:07 | 21:18 | 17:45 - 04:19 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2027-05-02 | 14:02 - 03:39 | 20:51 | 17:51 - 04:11 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2027-05-09 | 13:34 - 03:12 | 20:23 | 17:57 - 04:04 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2027-05-16 | 13:07 - 02:44 | 19:55 | 18:03 - 03:57 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2027-05-23 | 12:39 - 02:17 | 19:28 | 18:09 - 03:52 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2027-05-30 | 12:12 - 01:49 | 19:00 | 18:14 - 03:49 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2027-06-06 | 11:44 - 01:22 | 18:33 | 18:19 - 03:46 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2027-06-13 | 11:17 - 00:54 | 18:05 | 18:22 - 03:45 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2027-06-20 | 10:49 - 00:27 | 17:38 | 18:25 - 03:46 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2027-06-27 | 10:22 - 23:59 | 17:10 | 18:26 - 03:48 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2027-07-04 | 09:54 - 23:32 | 16:43 | 18:26 - 03:51 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2027-07-11 | 09:26 - 23:04 | 16:15 | 18:24 - 03:55 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2027-07-18 | 08:59 - 22:37 | 15:48 | 18:21 - 04:00 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2027-07-25 | 08:31 - 22:09 | 15:20 | 18:16 - 04:05 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2027-08-01 | 08:00 - 21:38 | 14:49 | 18:10 - 04:11 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2027-08-08 | 07:32 - 21:10 | 14:21 | 18:03 - 04:16 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2027-08-15 | 07:05 - 20:43 | 13:54 | 17:55 - 04:22 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2027-08-22 | 06:37 - 20:15 | 13:26 | 17:46 - 04:28 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2027-08-29 | 06:10 - 19:48 | 12:59 | 17:37 - 04:34 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||
| 2027-09-05 | 05:42 - 19:20 | 12:31 | 17:26 - 04:40 | RA: 12h 22m 54s", Dec: 15° 49' 18s @ Coma Berenices | |||||