When Is Asellus Borealis Visible During the Year?

See how Asellus Borealis visibility changes through the year from your location. The graph shows its seasonal observing windows, while the table gives rise, transit and set times for selected dates.

Asellus Borealis will remain visible until June 5, when it moves too close to the Sun and temporarily disappears from the night sky.

Best Months to See Asellus Borealis

Based on the amount of time Asellus Borealis is above the horizon during dark or twilight hours, the strongest observing months in the next year are January 2027, February 2027, December 2026.

Asellus Borealis Visibility Throughout the Year

Asellus Borealis visibility on 2026-09-17

Asellus Borealis Visible from early morning until sunrise

Asellus Borealis rise and set timetable

	Time	Elevation
Asellus Borealis transit	08:08	74°
Moonrise, 24% illuminated	10:43	53°
Asellus Borealis set	15:17
Astronomical observing session begins	18:41	-28°
Moonset	20:07	-31°
Asellus Borealis rise	00:55
Astronomical observing session ends	03:23	28°
Twilight end (−12°)	03:54	34°
Civil sunrise	04:25	40°
Sunrise	04:52	46°

Track Asellus Borealis position throughout the night

← 17 September 2026 →

Time
Altitude
Azimuth

Shift the map to change the time and observe Asellus Borealis changing position in the night sky.

Asellus Borealis Rise, Transit and Set Times by Date