Alioth Position and Visibility Tonight
Where is Alioth right now?
Alioth 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 1.76.
Twilight begins at 20:56 local time. At that moment, Alioth will be 5° above the horizon toward the north-west.
Twilight begins at 20:56 local time. At that moment, Alioth will be 5° above the horizon toward the north-west.
Alioth visibility on 2026-10-17
Alioth Visible all night
Alioth rise and set timetable
| Time | Elevation | |
| Alioth is always above the horizon | ||
| Alioth transit | 10:20 | 71° |
Moonrise, 25.9% illuminated  | 11:16 | 69° |
| Sunset | 16:27 | 29° |
| Civil sunset | 16:55 | 26° |
| Twilight start (−12°) | 17:25 | 22° |
| Astronomical observing session begins | 17:55 | 19° |
| Alioth is always above the horizon | ||
| Moonset | 20:29 | 6° |
| Astronomical observing session ends | 03:51 | 27° |
| Twilight end (−12°) | 04:21 | 31° |
| Civil sunrise | 04:51 | 35° |
| Sunrise | 05:19 | 38° |
Track Alioth position throughout the night
← 17 October 2026 →
| Time | |
| Altitude | |
| Azimuth |
Shift the map to change the time and observe Alioth changing position in the night sky.
Finder Chart for Alioth
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| Object name | Alioth |
| Field of view | |
| Limiting magnitude | |
| Alioth coordinates | 12.90047, 55.95982 |
| Center coordinates | 12.90047, 55.95982 |
Alioth Passage Through Night
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Current position of Alioth
| Time | 20:56 |
| Latitude | 37.3541 |
| Longitude | -121.955 |
| Elevation | 5° |
| Azimuth | 349° |
Here you can see the current position of Alioth 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 Alioth Visible Throughout the Year?
Alioth will remain visible until September 22, when it moves too close to the Sun and temporarily disappears from the night sky.
| Date | Sun, 18 October 2026 |
| Astronomical observing session begins | 17:54 |
| Astronomical observing session ends | 03:49 |
| Astronomical observing duration | 10h 55m |
| Rise | Alioth is always up |
| Set | Alioth is always up |
| Elevation at transit | 71° |
| Transit time | 10:16 |
| Equatorial coordinates | RA: 12h 54m 01s", Dec: 55° 57' 35s |
| Magnitude | 2 |
| Constellation | Ursa Major |
The graph illustrates the annual visibility pattern of Alioth, 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 Alioth is visible throughout the year in a table with exact rise, transit, and set times for each date.
You can also see when Alioth is visible throughout the year in a table with exact rise, transit, and set times for each date.
Astrometric and Physical Parameters of Alioth
Coordinates and Visibility
| Right Ascension | 12h 54m 02s |
| Declination | 55° 57′ 35″ |
| Magnitude | 1.76 |
| Constellation | Ursa Major |
| Elevation | 4.9° |
| Azimuth | 348.6° |
| Spectral type | A0p |