Asellus Borealis Position and Visibility Tonight
Where is Asellus Borealis right now?
Asellus Borealis is located in the constellation Cancer. Although Asellus Borealis is currently 52° above the horizon, it is not visible because it is daytime.
Asellus Borealis visibility on 2026-08-28
Asellus Borealis Visible from early morning until sunrise
Asellus Borealis rise and set timetable
| Time | Elevation | |
| Asellus Borealis transit | 09:27 | 74° |
| Asellus Borealis set | 16:35 | |
Moonrise, 100% illuminated  | 17:35 | -10° |
| Astronomical observing session begins | 19:15 | -24° |
| Asellus Borealis rise | 02:14 | |
| Astronomical observing session ends | 03:02 | 9° |
| Twilight end | 03:36 | 15° |
| Civil sunrise | 04:08 | 21° |
| Sunrise | 04:36 | 27° |
| Moonset | 05:04 | 32° |
Track Asellus Borealis Position Throughout the Night
← 28 August 2026 →
| Time | |
| Altitude | |
| Azimuth |
Shift the map to change the time and observe Asellus Borealis changing position in the night sky.
Finder Chart for Asellus Borealis
Double-click to unlock the map.
| Object name | Asellus Borealis |
| Field of view | |
| Limiting magnitude | |
| Asellus Borealis coordinates | 8.721430999999999, 21.468501 |
| Center coordinates | 8.721430999999999, 21.468501 |
Asellus Borealis Passage Through Night
Double-click to unlock the map.
Current position of Asellus Borealis
| Time | 06:47 |
| Latitude | 37.3541 |
| Longitude | -121.955 |
| Elevation | 52° |
| Azimuth | 103° |
Here you can see the current position of Asellus Borealis 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.
Annual motion of Asellus Borealis
Asellus Borealis will become visible again around September 13 after moving far enough from the Sun.
| Date | Fri, 28 August 2026 |
| Twilight start | 19:11 |
| Twilight end | 02:56 |
| Twilight duration | 8h 45m |
| Rise | 02:14 |
| Set | 16:31 |
| Elevation at transit | 74° |
| Transit time | 09:23 |
| Equatorial coordinates | RA: 08h 43m 17s", Dec: 21° 28' 06s |
| Magnitude | 5 |
| Constellation | Cancer |
The graph illustrates the annual visibility pattern of Asellus Borealis, 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 view detailed visibility information in a table with exact rise, transit, and set times for each date.
You can also view detailed visibility information in a table with exact rise, transit, and set times for each date.
Astrometric and Physical Parameters of Asellus Borealis
Coordinates and Visibility
| Right Ascension | 8.721430999999999° |
| Declination | 21.468501° |
| Magnitude | 4.66 |
| Constellation | Cancer |
| Elevation | 52.2° |
| Azimuth | 103.4° |