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Coma Berenices, Berenices Hair Constellation Facts and Mythology

Coma Berenices Constellation Star Map

Coma Berenices (Pronounciation:Co-ma Bare-en-ees, Abbrev:Com, Latin:Comae Berenices) is a constellation, one of 88 constellations that the night sky is divided into. The sky is not divided up equally between the constellations. Coma Berenices takes up 386.475 sq. degrees of the night sky which equates to 0.94% of the night sky. Coma Berenices is the 42nd largest in terms of size in the night sky.

The constellation name means Berenices Hair .

There are 3 stars that make up the main constellation. The hipparcos satellite scanned and detailed 1076 stars. There are 38 stars that can be seen with the naked eye in the constellation on a very clear night sky.

Coma Berenices is not a member of the Zodiac group of twelve constellations that appear when the Sun sets. Coma Berenices is a northern hemispheric constellation which means it can't be seen easily or at all from the southern hemisphere.

The distance to Coma Berenices is not calculable because all the stars that make up the constellation are at various distances. The best answer for distance to Coma Berenices is to calculate the average distance of the stars.

There are 11 Extrasolar Planets (Exoplanets) in this constellation that are detailed on this site. There is a dedicated page for exoplanets in Coma Berenices.

There are 8 deep space objects that were identified by Charles Messier in this constellation. There are no non-Messier deep space objects in this constellation that are covered at present on this site.

The image at the top right of this page was generated using Night Vision, a free to use and download application by Brian Simspon.

Coma Berenices Star Facts

The caveat of these stars are that they are catalogued on this site. If you know of a star that is nearer or further then do let me know in the comments and I'll add it to the site. The stars mentioned are from the Hipparcos catalogue or have been added because of their special status.

HIP 63721, Coma Berenices's Nearest Star

The nearest star to Earth is HIP 63721 which is roughly about 15.06 Light Years from the Earth. The nearest star to the Earth with an exoplanet is HD 107146 which is about 89.56 Light Years.

HIP 65527, Coma Berenices's Furthest Star

The furthest star that is located in the constellation is HIP 65527 and it is 326163.3 light years away from the Sun. The furthest figure is derived from either the 1997 or 2007 Hipparcos star catalogue parallax figure and it has been known to produce distances that are wrong.

Beta Comae Berenices, Brightest Star in Coma Berenices

The brightest star in Coma Berenices is Beta Comae Berenices and is located about 357.28 light years from the Sun. The star has a apparent magnitude of 4.23 but an absolute magnitude of 4.43 when the star is viewed from a distance of 10 Parsecs or 32.6 Light Years. The star is only recognised as being Beta Comae Berenices rather than having Alpha status.

39 Comae Berenices, Coma Berenices's Dimmest Visible Star

The dimmest star that can be seen in Coma Berenices with the naked eye is 39 Comae Berenices. The dim star has an apparent magnitude of 6. The dimmest star that a person is able to see with their naked eye is 6.0 magnitude based on the table in the reference. Ref: University of Michigan.

Coma Berenices Mythology

Although it was known for centuries since Ptolemy, it was believed to be the tail of Leo or part of Virgo. Tycho Brahe is credited with making it a distinct, independent constellation.

Meteor Showers Radiating from Coma Berenices

There are 13 Meteor Showers that occur during the year within this constellation based on information gathered from Adam Mickiewicz University (Poland). The list below are major ones and which I have a date period for.

NameActivityPeak ActivityClosest Star
Coma BerenicidsDec 8-Jan 23Dec. 18-Jan. 6  
May Alpha Comae Berenicids3rd May  

List of Main Stars in Coma Berenices

The following list contains the stars that make up the constellation. For a larger list of stars in the entire constellation area, please visit the For a list of named stars, that is stars that don't start HD or HIP, please visit Coma Berenices Star List page.

NameBayerDistance (Lt.Yr.)Right AscensionDeclinationSpectral TypeColour
DiademAlpha Comae Berenices58.1413h 09m 59.55+17d 31` 44.8F5VYellow/White
Beta Comae BerenicesBeta Comae Berenices29.7813h 11m 52.92+27d 52` 33.7G0VYellow
Gamma Comae BerenicesGamma Comae Berenices167.2612h 26m 56.33+28d 16` 07.0K2IIICN+...Orange

Coma Berenices Facts

NameComa Berenices
Is a Zodiac Sign No
Brightest StarBeta Comae Berenices
Area386.475 sq. deg.
Percentage of Night Sky0.94%
Size Position42nd
Hemisphere Northern
Site Exoplanet Count11
Meteor Shower Count13
Nearest StarHIP 63721
Nearest Star with Exoplanet(s)HD 107146
Brightest StarBeta Comae Berenices
Dimmest Star39 Comae Berenices
Furthest StarHIP 65527
Bright Star Count38
Hipparcos Star Count1076
Main Star Count3
Messier Deep Space Object Count8
*Non-Messier Deep Space Object Count0
Bordering / Neighbouring / Surrounding ConstellationsBootes

*Note: The number of Non-Messier Deep Space Object Count relates to how many are covered on this site not how many there are.

List of Deep Space Objects (Galaxies, Nebulas, Supernovas, etc) in Coma Berenices

NameTypeDistanceDeclinationRight Ascension
BlackEye Galaxy (M64, NGC4826)Spiral Galaxy22,000-26,000 kly+21:4112h 56m 7
Dragonfly 44Galaxy330 Million+26d 48` 3513h 00m 58
Messier 100 (NGC4321)Spiral Galaxy55000000+15:4912h 22m 9
Messier 53 (NGC5024)Globular Cluster58000+18:1013h 12m 9
Messier 85 (NGC4382)Spiral Galaxy56,000-64,000 kly+18:1112h 25m 4
Messier 88 (NGC4501)Spiral Galaxy39,000-56,000 kly+14:2512h 32m 0
Messier 91 (NGC4548)Spiral Galaxy47,000-79,000 kly+14:3012h 35m 4
Messier 98 (NGC4192)Spiral Galaxy44400000+14:5412h 13m 8
Messier 99 (NGC4254)Spiral Galaxy44,700-55,700 kly+14:2512h 18m 8

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