Where is Alcor right now?
Alcor is located in the constellation Ursa Major. Although Alcor is currently 42° above the horizon, it is not visible because it is daytime.
Twilight begins at 17:54 local time. At that moment, Alcor will be 32° above the horizon toward the north-west.
Twilight begins at 17:54 local time. At that moment, Alcor will be 32° above the horizon toward the north-west.
Track Alcor position throughout the night
← 27 September 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: 31° above the horizon toward the north-west. Status: Best view.
Alcor will remain visible until October 3, when it moves too close to the Sun and temporarily disappears from the night sky. 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 31° toward the north-west, and finishes toward the north.
Astrometric and Physical Parameters of Alcor
| Constellation | Ursa Major |
| Elevation | 32° |
| Direction | north-west (318°) |
| 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 | 17:54 |
| Latitude | 37.3541 |
| Longitude | -121.955 |
| Elevation | 32° |
| Azimuth | 318° |
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 |
|---|---|---|---|---|
| Sep 26, 12:00 | 72° | 5° | north | Daylight |
| Sep 26, 13:00 | 70° | 338° | north-west | Daylight |
| Sep 26, 14:00 | 64° | 322° | north-west | Daylight |
| Sep 26, 15:00 | 56° | 315° | north-west | Daylight |
| Sep 26, 16:00 | 48° | 314° | north-west | Daylight |
| Sep 26, 17:00 | 39° | 315° | north-west | Twilight |
| Sep 26, 18:00 | 31° | 318° | north-west | Best view |
| Sep 26, 19:00 | 23° | 322° | north-west | Visible |
| Sep 26, 20:00 | 17° | 328° | north-west | Visible |
| Sep 26, 21:00 | 11° | 335° | north-west | Visible |
| Sep 26, 22:00 | 6° | 342° | north-west | Very low |
| Sep 26, 23:00 | 4° | 350° | north | Very low |
| Sep 27, 00:00 | 2° | 359° | north | Very low |
| Sep 27, 01:00 | 3° | 7° | north | Very low |
| Sep 27, 02:00 | 5° | 16° | north-east | Very low |
| Sep 27, 03:00 | 9° | 23° | north-east | Very low |
| Sep 27, 03:33 — Astronomical night ends | 12° | 27° | north-east | Visible |
| Sep 27, 04:00 | 15° | 30° | north-east | Visible |
| Sep 27, 04:03 — Twilight end | 15° | 31° | north-east | Twilight |
| Sep 27, 04:34 — Civil sunrise | 18° | 34° | north-east | Twilight |
| Sep 27, 05:00 | 21° | 36° | north-east | Twilight |
| Sep 27, 05:01 — Sunrise | 22° | 36° | north-east | Twilight |
| Sep 27, 06:00 | 29° | 41° | north-east | Daylight |
| Sep 27, 07:00 | 37° | 44° | north-east | Daylight |
| Sep 27, 08:00 | 45° | 46° | north-east | Daylight |
| Sep 27, 09:00 | 54° | 45° | north-east | Daylight |
| Sep 27, 10:00 | 62° | 40° | north-east | Daylight |
| Sep 27, 11:00 | 69° | 27° | north-east | Daylight |
| Sep 27, 12:00 | 72° | 3° | north | Daylight |