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Almanac > Constellations

Ursa Major

Ursa Major is one of the 88 recognized constellations. It is best seen in April between latitudes +90° and -30°.
 

 



Ursa Major

 
 
Fact Sheet

Genitive

  Ursae Majoris

Abbreviation

  UMa

Brightness

  5.55

Location

  10.6 h (Right Ascension)

  +55.38° (Declination)

Area

  1280 square degrees

Number of Visible Stars

  71

Notable Stars

  Alcor
Alioth
Alkaid
Alula Australis
Alula Borealis
Benetnasch
Dnoces
Dubhe
Megrez
Merak
Mizar
Muscida
Phad
Phecda
Talitha Australis
Talitha Borealis
Tania Australis
Tania Borealis

Alpha Star

  Dubhe

Brightest Star

  Lalande 21185 (8.29 ly)

Best Seen

  +90° and -30° (Best Latitudes)

  April (Best Month)

 
Description

Overview:
Ursa Major (pronouced er' suh may' jor) is the 3rd largest constellation in the night sky with an area of 1280 square degrees. The name of Ursa Major means Great Bear.

Location:
Ursa Major is located at Right Ascension 10.6 h and Declination +55.38°. Ursa Major is best seen between latitudes +90° and -30° in the April. Ursa Major is adjacent to the following constellations: Bootes, Camelopardalis, Canes Venatici, Coma Berenices, Draco, Leo, Leo Minor, Lynx.

Stars:
Ursa Major contains within its borders approximately 71 visible stars. The principal star of Ursa Major is Dubhe. The brightest of Ursa Major's stars is Lalande 21185 (8.29 ly). This constellation also contains within its boundries the following notable stars: Alcor, Alioth, Alkaid, Alula Australis, Alula Borealis, Benetnasch, Dnoces, Dubhe, Megrez, Merak, Mizar, Muscida, Phad, Phecda, Talitha Australis, Talitha Borealis, Tania Australis, Tania Borealis.

Visual Magnitude:
Ursa Major is the 37th brightest constellation with a brightness of 5.55.