Where is M21 right now?
M21 is located in the constellation Sagittarius. Although M21 is currently 9° above the horizon, it is not visible because it is daytime.
Twilight begins at 18:26 local time. At that moment, M21 will be 30° above the horizon toward the south.
Twilight begins at 18:26 local time. At that moment, M21 will be 30° above the horizon toward the south.
Track M21 Position Throughout the Night
← 7 September 2026 →
| Time | |
| Altitude | |
| Azimuth |
Shift the map to change the time and observe M21 changing position in the night sky.
Where and When to Look for M21 Tonight
The best observable position of M21 is near 18:00: 30° above the horizon toward the south. Status: Best view.
How M21 Moves Across the Sky
During this observing period, M21 moves from the south-east, reaches its highest sampled position at 30° toward the south, and finishes toward the south-east.
Astrometric and Physical Parameters of M21
| Constellation | Sagittarius |
| Elevation | 30° |
| Direction | south (185°) |
| Magnitude | 5.9 |
M21 Passage Through Night
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Current position of M21
| Time | 18:26 |
| Latitude | 37.3541 |
| Longitude | -121.955 |
| Elevation | 30° |
| Azimuth | 185° |
Here you can see the current position of M21 on the map, as well as its positions for rise and set. This tool lets you track its movement throughout the night with accurate, up-to-date information.
M21 Position by Hour
Select a row to move both interactive maps to that time.
| Time | Elevation | Azimuth | Direction | Visibility | RA | Dec |
|---|---|---|---|---|---|---|
| Sep 6, 12:00 | -15° | 107° | south-east | Below horizon | 18h 04m | −22° 29′ |
| Sep 6, 13:00 | -4° | 116° | south-east | Below horizon | 18h 04m | −22° 29′ |
| Sep 6, 14:00 | 6° | 125° | south-east | Daylight | 18h 04m | −22° 29′ |
| Sep 6, 15:00 | 16° | 136° | south-east | Daylight | 18h 04m | −22° 29′ |
| Sep 6, 16:00 | 23° | 148° | south-east | Daylight | 18h 04m | −22° 29′ |
| Sep 6, 17:00 | 28° | 162° | south-east | Daylight | 18h 04m | −22° 29′ |
| Sep 6, 18:00 | 30° | 178° | south | Best view | 18h 04m | −22° 29′ |
| Sep 6, 19:00 | 29° | 194° | south-west | Visible | 18h 04m | −22° 29′ |
| Sep 6, 20:00 | 24° | 209° | south-west | Visible | 18h 04m | −22° 29′ |
| Sep 6, 21:00 | 18° | 222° | south-west | Visible | 18h 04m | −22° 29′ |
| Sep 6, 22:00 | 9° | 233° | south-west | Very low | 18h 04m | −22° 29′ |
| Sep 6, 23:00 | -1° | 242° | south-west | Below horizon | 18h 04m | −22° 29′ |
| Sep 7, 00:00 | -12° | 251° | south-west | Below horizon | 18h 04m | −22° 29′ |
| Sep 7, 01:00 | -24° | 259° | west | Below horizon | 18h 04m | −22° 29′ |
| Sep 7, 02:00 | -36° | 267° | west | Below horizon | 18h 04m | −22° 29′ |
| Sep 7, 03:00 | -48° | 277° | west | Below horizon | 18h 04m | −22° 29′ |
| Sep 7, 03:13 — Astronomical night ends | -50° | 280° | west | Below horizon | 18h 04m | −22° 29′ |
| Sep 7, 03:45 — Twilight end | -57° | 286° | north-west | Below horizon | 18h 04m | −22° 29′ |
| Sep 7, 04:00 | -59° | 290° | north-west | Below horizon | 18h 04m | −22° 29′ |
| Sep 7, 04:16 — Civil sunrise | -62° | 295° | north-west | Below horizon | 18h 04m | −22° 29′ |
| Sep 7, 04:44 — Sunrise | -67° | 305° | north-west | Below horizon | 18h 04m | −22° 29′ |
| Sep 7, 05:00 | -70° | 312° | north-west | Below horizon | 18h 04m | −22° 29′ |
| Sep 7, 06:00 | -75° | 355° | north | Below horizon | 18h 04m | −22° 29′ |
| Sep 7, 07:00 | -71° | 42° | north-east | Below horizon | 18h 04m | −22° 29′ |
| Sep 7, 08:00 | -61° | 67° | north-east | Below horizon | 18h 04m | −22° 29′ |
| Sep 7, 09:00 | -50° | 81° | east | Below horizon | 18h 04m | −22° 29′ |
| Sep 7, 10:00 | -38° | 91° | east | Below horizon | 18h 04m | −22° 29′ |
| Sep 7, 11:00 | -26° | 100° | east | Below horizon | 18h 04m | −22° 29′ |
| Sep 7, 12:00 | -14° | 108° | south-east | Below horizon | 18h 04m | −22° 29′ |