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Almanac > Constellations

Canis Major

Canis Major is one of the 88 recognized constellations. It is best seen in February between latitudes +60° and -90°.
 

 



Canis Major

 
 
Fact Sheet

Genitive

  Canis Majoris

Abbreviation

  CMa

Brightness

  3.22

Location

  7 h (Right Ascension)

  -20° (Declination)

Area

  380 square degrees

Number of Visible Stars

  56

Notable Stars

  Adhara
Aludra
Furud
Mirzam
Murzim
Sirius
Wezen

Alpha Star

  Sirius

Brightest Star

  Sirius (a CMa) (8.6 ly)

Best Seen

  +60° and -90° (Best Latitudes)

  February (Best Month)

 
Description

Overview:
Canis Major (pronouced kay' niss may' jor) is the 43rd most volumous constellation in the night sky with an area of 380 square degrees. The name of this constellation means Large Dog.

Location:
Canis Major is located at RA 7 h and Declination -20°. Canis Major is best seen between latitudes +60° and -90° in the month of February. Canis Major is adjacent to the following constellations: Columba, Lepus, Monoceros, Puppis.

Stars:
Canis Major contains within its borders about 56 visible stars. The principal star of Canis Major is Sirius. The brightest star is Sirius (a CMa) (8.6 ly). This constellation also contains within its boundries the following notable stars: Adhara, Aludra, Furud, Mirzam, Murzim, Sirius, Wezen.

Visual Magnitude:
Canis Major is the 6th brightest constellation with a brightness of 3.22.