Where is 21 Boo right now?
21 Boo is located in the constellation Bootes. It is currently above the horizon at an altitude of 4° toward the north-east, with an apparent magnitude of 4.76.
Where and When to Look for 21 Boo Tonight
The highest sampled position of 21 Boo is near 01:38: 38° above the horizon toward the north-east. Status: Twilight.
How 21 Boo Moves Across the Sky
During this 24-hour period, 21 Boo moves from the north-west, reaches its highest sampled position at 78° toward the north-west, and finishes toward the north-west.
Track 21 Boo position throughout the night
← 6 November 2026 →
| Time | |
| Altitude | |
| Azimuth |
Shift the map to change the time and observe 21 Boo changing position in the night sky.
Astrometric and Physical Parameters of 21 Boo
| Constellation | Bootes |
| Elevation | 4° |
| Direction | north-east (16°) |
| Magnitude | 4.8 |
21 Boo Passage Through Night
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Current position of 21 Boo
| Time | 20:32 |
| Latitude | 39.9612 |
| Longitude | -82.9988 |
| Elevation | 4° |
| Azimuth | 16° |
Here you can see the current position of 21 Boo 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.
21 Boo Position by Hour
Select a row to move both interactive maps to that time.
| Time | Elevation | Azimuth | Direction | Visibility | RA | Dec |
|---|---|---|---|---|---|---|
| Nov 5, 12:00 | 37° | 310° | north-west | Daylight | 14h 16m | +51° 22′ |
| Nov 5, 13:00 | 28° | 315° | north-west | Twilight | 14h 16m | +51° 22′ |
| Nov 5, 14:00 | 21° | 321° | north-west | Visible | 14h 16m | +51° 22′ |
| Nov 5, 15:00 | 14° | 327° | north-west | Visible | 14h 16m | +51° 22′ |
| Nov 5, 16:00 | 8° | 335° | north-west | Very low | 14h 16m | +51° 22′ |
| Nov 5, 17:00 | 4° | 344° | north-west | Very low | 14h 16m | +51° 22′ |
| Nov 5, 18:00 | 2° | 353° | north | Very low | 14h 16m | +51° 22′ |
| Nov 5, 19:00 | 1° | 2° | north | Very low | 14h 16m | +51° 22′ |
| Nov 5, 20:00 | 3° | 11° | north-east | Very low | 14h 16m | +51° 22′ |
| Nov 5, 21:00 | 6° | 20° | north-east | Very low | 14h 16m | +51° 22′ |
| Nov 5, 22:00 | 11° | 28° | north-east | Visible | 14h 16m | +51° 22′ |
| Nov 5, 23:00 | 17° | 36° | north-east | Visible | 14h 16m | +51° 22′ |
| Nov 6, 00:00 | 24° | 42° | north-east | Visible | 14h 16m | +51° 22′ |
| Nov 6, 00:34 — Astronomical night ends | 29° | 45° | north-east | Visible | 14h 16m | +51° 22′ |
| Nov 6, 01:00 | 32° | 47° | north-east | Visible | 14h 16m | +51° 22′ |
| Nov 6, 01:06 — Twilight end | 33° | 48° | north-east | Twilight | 14h 16m | +51° 22′ |
| Nov 6, 01:38 — Civil sunrise | 38° | 50° | north-east | Twilight | 14h 16m | +51° 22′ |
| Nov 6, 02:00 | 41° | 52° | north-east | Twilight | 14h 16m | +51° 22′ |
| Nov 6, 02:08 — Sunrise | 42° | 52° | north-east | Twilight | 14h 16m | +51° 22′ |
| Nov 6, 03:00 | 50° | 54° | north-east | Daylight | 14h 16m | +51° 22′ |
| Nov 6, 04:00 | 59° | 54° | north-east | Daylight | 14h 16m | +51° 22′ |
| Nov 6, 05:00 | 69° | 49° | north-east | Daylight | 14h 16m | +51° 22′ |
| Nov 6, 06:00 | 76° | 30° | north-east | Daylight | 14h 16m | +51° 22′ |
| Nov 6, 07:00 | 78° | 348° | north-west | Daylight | 14h 16m | +51° 22′ |
| Nov 6, 08:00 | 73° | 317° | north-west | Daylight | 14h 16m | +51° 22′ |
| Nov 6, 09:00 | 64° | 307° | north-west | Daylight | 14h 16m | +51° 22′ |
| Nov 6, 10:00 | 55° | 305° | north-west | Daylight | 14h 16m | +51° 22′ |
| Nov 6, 11:00 | 45° | 307° | north-west | Daylight | 14h 16m | +51° 22′ |
| Nov 6, 12:00 | 36° | 310° | north-west | Daylight | 14h 16m | +51° 22′ |