Alcor Position and Visibility Tonight
Where is Alcor right now?
Alcor is located in the constellation Ursa Major. Although Alcor is currently 7° above the horizon, it is not visible because it is daytime.
Alcor tonight
Alcor visibility on 2026-10-29
Alcor Rises at sunrise
Alcor rise and set timetable
| Time | Elevation | |
| Alcor transit | 11:59 | 36° |
| Alcor set | 18:06 | |
| Astronomical observing session begins | 20:01 | -16° |
Moonrise, 89% illuminated  | 21:56 | -28° |
| Astronomical observing session ends | 05:35 | -2° |
| Alcor rise | 05:49 | |
| Twilight end (−12°) | 06:00 | 2° |
| Civil sunrise | 06:25 | 5° |
| Sunrise | 06:47 | 8° |
| Moonset | 10:35 | 34° |
Track Alcor position throughout the night
← 29 October 2026 →
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Shift the map to change the time and observe Alcor changing position in the night sky.
Finder Chart for Alcor
Alcor Passage Through Night
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Current position of Alcor
| Time | 17:17 |
| Latitude | 1.35208 |
| Longitude | 103.82 |
| Elevation | 7° |
| Azimuth | 325° |
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.
When Is Alcor Visible Throughout the Year?
Alcor will become visible again around December 22 after moving far enough from the Sun.
| Date | Fri, 30 October 2026 |
| Astronomical observing session begins | 19:59 |
| Astronomical observing session ends | 05:32 |
| Astronomical observing duration | 10h 33m |
| Rise | 05:49 |
| Set | 18:02 |
| Elevation at transit | 36° |
| Transit time | 11:56 |
| Equatorial coordinates | RA: 13h 25m 13s", Dec: 54° 59' 16s |
| Magnitude | 4 |
| Constellation | Ursa Major |
The graph illustrates the annual visibility pattern of Alcor, including its daily appearances and transit times. The vertical axis shows the hours of the day and the horizontal axis spans the year. The reddish area marks when the object is above the horizon, while the white line marks its daily transit.
You can also see when Alcor is visible throughout the year in a table with exact rise, transit, and set times for each date.
You can also see when Alcor is visible throughout the year in a table with exact rise, transit, and set times for each date.
Astrometric and Physical Parameters of Alcor
Coordinates and Visibility
| Right Ascension | 13h 25m 13s |
| Declination | 54° 59′ 17″ |
| Magnitude | 3.99 |
| Constellation | Ursa Major |
| Elevation | 7.1° |
| Azimuth | 325.4° |
| Spectral type | A5V SB |