Messier 99

Messier 99 (M99) is a spiral galaxy in the constellation Coma Berenices, with an apparent magnitude of 9.9. It is about 54.8 million light-years away.

Finder chart for Messier 99 in the constellation Coma Berenices
Messier 99 (circled) in Coma Berenices. Pink symbols mark Messier objects.
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Facts

CatalogMessier 99 (M99)
Typespiral galaxy
ConstellationComa Berenices
Apparent magnitude9.9
Distanceabout 54.8 million light-years
Right ascension12 h 18.8 min
Declination+14.42°
Best monthMay (at about 9 pm)

Sources: star positions, magnitudes and colors from the Yale Bright Star Catalogue; constellation boundaries and star names from the IAU; areas and distances from Wikidata; stick figures by M. van der Sluys. How the maps are made.

How to find M99

M99 is in Coma Berenices. From 40° N it is highest in the south in May evenings, about 64° up. From 35° S it reaches about 41° in the north. You need a telescope and a dark sky to see it.

Coma Berenices constellation →

Other Messier objects in Coma Berenices

Messier 53 (M53)Black Eye Galaxy (M64)Messier 85 (M85)Messier 88 (M88)Messier 91 (M91)Messier 98 (M98)Messier 100 (M100)

The Messier catalog →

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