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Constellation · Com

Coma Berenices

Berenice's Hair

A faint constellation containing the Coma Star Cluster and the direction of the north galactic pole, which gives a view out of the Milky Way's disc to many distant galaxies.

Northern skyGenitive: Comae Berenices
Find Coma Berenices in the sky map
Star chart of Coma Berenices: its brightest stars joined by the traditional constellation figure inside the IAU boundary, north up and east to the left
Chart drawn from the Hipparcos catalogue (stars to magnitude 6). North is up, east is left. The dashed line is the official IAU boundary.
Brightest star
Beta Comae Berenices

Magnitude 4.23

Best seen
May

Highest in the sky at 9 pm local time (spring in the northern hemisphere)

Whole constellation visible from
57°S to 90°N

Latitudes where every part of it rises above the horizon at some time of year

Approximate area
390 sq. degrees

The whole sky covers about 41,253 square degrees

Origin
Added by European astronomers in the 1500s and early 1600s
Catalogue stars
38

Stars brighter than about magnitude 6, the naked-eye limit under dark skies

Named stars in Coma Berenices

Brightest first. A lower magnitude means a brighter star.

  • Diadem (Alpha Comae Berenices)mag 4.32
  • Al Dafirah (Gamma Comae Berenices)mag 4.35
  • Polaris Galacticus Borealismag 4.93
  • Kissinmag 5.47

Can you see Coma Berenices from where you live?

This depends only on your latitude. Pick the row nearest to you; for your exact sky tonight, use the sky map.

LatitudeComa Berenices
60°NThe whole constellation rises and sets
40°NThe whole constellation rises and sets
20°NThe whole constellation rises and sets
the equatorThe whole constellation rises and sets
20°SThe whole constellation rises and sets
40°SThe whole constellation rises and sets
60°SOnly part of it ever clears the horizon

Questions about Coma Berenices

When is Coma Berenices best seen?

Coma Berenices stands highest in the sky at 9 pm local time in May. That makes spring evenings the best time for observers in the northern hemisphere; in the southern hemisphere the season is reversed.

What is the brightest star in Coma Berenices?

The brightest star in Coma Berenices is Beta Comae Berenices, magnitude 4.23.

Where on Earth can you see Coma Berenices?

The whole of Coma Berenices can be seen from latitudes between about 57°S and 90°N. From 40°N: The whole constellation rises and sets. From 35°S: The whole constellation rises and sets.

What does Coma Berenices mean?

Coma Berenices is Latin for "Berenice's Hair". Added by European astronomers in the 1500s and early 1600s.