Where is Alcor right now?
Alcor is located in the constellation Ursa Major. It is currently above the horizon at an altitude of 5° toward the north-west, with an apparent magnitude of 3.99.
Twilight begins at 22:10 local time. At that moment, Alcor will be 5° above the horizon toward the north-west.
Twilight begins at 22:10 local time. At that moment, Alcor will be 5° above the horizon toward the north-west.
Track Alcor position throughout the night
← 3 October 2026 →
| Time | |
| Altitude | |
| Azimuth |
Shift the map to change the time and observe Alcor changing position in the night sky.
Where and When to Look for Alcor Tonight
The best observable position of Alcor is near 18:00: 28° above the horizon toward the north-west. Status: Best view.
Alcor will become visible again around October 23 after moving far enough from the Sun. You can also see when Alcor is visible throughout the year in a table with exact rise, transit, and set times for each date.
How Alcor Moves Across the Sky
During this observing period, Alcor moves from the north, reaches its highest sampled position at 28° toward the north-west, and finishes toward the north.
Astrometric and Physical Parameters of Alcor
| Constellation | Ursa Major |
| Elevation | 5° |
| Direction | north-west (347°) |
| Right Ascension | 13h 25m |
| Declination | +54° 59′ |
| Magnitude | 3.99 |
Alcor Passage Through Night
Double-click to unlock the map.
Current position of Alcor
| Time | 22:10 |
| Latitude | 37.3541 |
| Longitude | -121.955 |
| Elevation | 5° |
| Azimuth | 347° |
Here you can see the current position of Alcor 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.
Alcor Position by Hour
Select a row to move both interactive maps to that time.
| Time | Elevation | Azimuth | Direction | Visibility |
|---|---|---|---|---|
| Oct 2, 12:00 | 72° | 354° | north | Daylight |
| Oct 2, 13:00 | 68° | 331° | north-west | Daylight |
| Oct 2, 14:00 | 61° | 319° | north-west | Daylight |
| Oct 2, 15:00 | 53° | 314° | north-west | Daylight |
| Oct 2, 16:00 | 44° | 314° | north-west | Daylight |
| Oct 2, 17:00 | 36° | 316° | north-west | Twilight |
| Oct 2, 18:00 | 28° | 320° | north-west | Best view |
| Oct 2, 19:00 | 21° | 324° | north-west | Visible |
| Oct 2, 20:00 | 14° | 330° | north-west | Visible |
| Oct 2, 21:00 | 9° | 337° | north-west | Very low |
| Oct 2, 22:00 | 5° | 345° | north-west | Very low |
| Oct 2, 23:00 | 3° | 354° | north | Very low |
| Oct 3, 00:00 | 2° | 2° | north | Very low |
| Oct 3, 01:00 | 4° | 11° | north | Very low |
| Oct 3, 02:00 | 7° | 19° | north-east | Very low |
| Oct 3, 03:00 | 11° | 26° | north-east | Visible |
| Oct 3, 03:38 — Astronomical night ends | 15° | 30° | north-east | Visible |
| Oct 3, 04:00 | 17° | 33° | north-east | Visible |
| Oct 3, 04:08 — Twilight end | 18° | 34° | north-east | Twilight |
| Oct 3, 04:39 — Civil sunrise | 22° | 36° | north-east | Twilight |
| Oct 3, 05:00 | 24° | 38° | north-east | Twilight |
| Oct 3, 05:06 — Sunrise | 25° | 39° | north-east | Twilight |
| Oct 3, 06:00 | 32° | 42° | north-east | Daylight |
| Oct 3, 07:00 | 40° | 45° | north-east | Daylight |
| Oct 3, 08:00 | 49° | 46° | north-east | Daylight |
| Oct 3, 09:00 | 57° | 44° | north-east | Daylight |
| Oct 3, 10:00 | 65° | 36° | north-east | Daylight |
| Oct 3, 11:00 | 71° | 19° | north-east | Daylight |
| Oct 3, 12:00 | 72° | 352° | north | Daylight |