Apparent magnitude (V) 5.23
|Constellation Canis Major|
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10 Canis Majoris is a star in the constellation Canis Major. It is approximately 4000 light years from Earth.
10 Canis Majoris is a blue-white B-type giant with a mean apparent magnitude of +5.23. It is classified as a Gamma Cassiopeiae type variable star and its brightness varies from magnitude +5.13 to +5.44.