Algol Position and Visibility Tonight
Where is Algol right now?
Algol is located in the constellation Perseus. It is currently above the horizon at an altitude of 25° toward the north-east, with an apparent magnitude of 2.09.
Twilight begins at 19:37 local time. At that moment, Algol will be 25° above the horizon toward the north-east.
Twilight begins at 19:37 local time. At that moment, Algol will be 25° above the horizon toward the north-east.
Algol visibility on 2026-10-03
Algol Visible from evening until sunrise
Algol rise and set timetable
| Time | Elevation | |
| Algol rise | 16:42 | |
| Sunset | 16:47 | 1° |
| Civil sunset | 17:15 | 4° |
| Twilight start (−12°) | 17:45 | 8° |
| Astronomical observing session begins | 18:15 | 12° |
Moonrise, 56.5% illuminated  | 21:14 | 42° |
| Algol transit | 01:27 | 86° |
| Astronomical observing session ends | 03:38 | 64° |
| Twilight end (−12°) | 04:08 | 59° |
| Civil sunrise | 04:39 | 53° |
| Sunrise | 05:06 | 48° |
| Algol set | 10:11 | |
| Moonset | 12:53 | -11° |
Track Algol position throughout the night
← 3 October 2026 →
| Time | |
| Altitude | |
| Azimuth |
Shift the map to change the time and observe Algol changing position in the night sky.
Finder Chart for Algol
Algol Passage Through Night
Double-click to unlock the map.
Current position of Algol
| Time | 19:37 |
| Latitude | 37.3541 |
| Longitude | -121.955 |
| Elevation | 25° |
| Azimuth | 56° |
Here you can see the current position of Algol 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 Algol Visible Throughout the Year?
Algol will remain visible until April 8, when it moves too close to the Sun and temporarily disappears from the night sky.
| Date | Sun, 4 October 2026 |
| Astronomical observing session begins | 18:13 |
| Astronomical observing session ends | 03:36 |
| Astronomical observing duration | 9h 23m |
| Rise | 16:38 |
| Set | 10:08 |
| Elevation at transit | 86° |
| Transit time | 01:23 |
| Equatorial coordinates | RA: 03h 08m 10s", Dec: 40° 57' 20s |
| Magnitude | 2 |
| Constellation | Perseus |
The graph illustrates the annual visibility pattern of Algol, 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 Algol is visible throughout the year in a table with exact rise, transit, and set times for each date.
You can also see when Algol is visible throughout the year in a table with exact rise, transit, and set times for each date.
Astrometric and Physical Parameters of Algol
Coordinates and Visibility
| Right Ascension | 03h 08m 10s |
| Declination | 40° 57′ 20″ |
| Magnitude | 2.09 |
| Constellation | Perseus |
| Elevation | 25° |
| Azimuth | 56.4° |
| Spectral type | B8V |