M 91 (NGC 4548)
M 91 (NGC 4548) is a galaxy in the constellation Coma Berenices, magnitude 10.2, 5.5′ × 4.5′ across.
A barred spiral in Coma Berenices, the faintest of the Messier galaxies; its bar shows as an elongated core.
When and where to see it
It is best placed in the evening sky around May, when it crosses the meridian at about 10 pm local time (around midnight in March). It can be seen from everywhere north of 76°S and never sets north of 76°N.
At its highest it stands 54° up from 50°N, 69° up from 35°N, 76° up from the equator, 41° up from 35°S.
Facts
- Type
- Galaxy
- Constellation
- Coma Berenices
- Designations
- NGC 4548
- Magnitude
- 10.2
- Apparent size
- 5.5′ × 4.5′
- Position
- RA 12h 35.4m, Dec +14° 30′ (J2000)
Open AstroPilot to see when M 91 (NGC 4548) is highest tonight from your location, how easy it is with your telescope or binoculars, and an eyepiece view.