When Is M91 Visible During the Year?

See how M91 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.

M91 will become visible again around November 4 after moving far enough from the Sun.

Best Months to See M91

Based on the amount of time M91 is above the horizon during dark or twilight hours, the strongest observing months in the next year are March 2027, February 2027, April 2027.

M91 Visibility Throughout the Year

M91 visibility on 2026-09-07

M91 Visible from sunset until early morning

M91 rise and set timetable

	Time	Elevation
M91 transit	12:39	67°
Moonset	14:56	52°
Sunset	17:27	23°
Civil sunset	17:55	17°
Twilight start	18:26	11°
Astronomical observing session begins	18:58	5°
M91 set	19:23
Moonrise, 21% illuminated	23:21	-35°
Astronomical observing session ends	03:13	-26°
M91 rise	05:50

Track M91 Position Throughout the Night

← 7 September 2026 →

Time
Altitude
Azimuth

Shift the map to change the time and observe M91 changing position in the night sky.

M91 Rise, Transit and Set Times by Date