constellation in the northern celestial hemisphere
Cassiopeia is a constellation in the northern sky. It was named after a queen in Greek mythology called Cassiopeia. It looks like a letter W or M, with five bright stars that make the W or the M shape. It has two very bright stars called ρ Cas and V509 Cas.
colloquially /ˌkæsiˈoʊpiː.ə/ Cássiópeia;
|Symbolism||the Seated Queen|
|Area||598 sq. deg. (25th)|
|Stars with planets||5|
|Stars brighter than 3.00m||4|
|Stars within 10.00 pc (32.62 ly)||7|
|Brightest star||α Cas (Schedar) (2.15m)|
|Visible at latitudes between +90° and −20°.|
Best visible at 21:00 (9 p.m.) during the month of November.
In 1572, a supernova called Tycho's Star, or SN 1572, was seen in Cassiopeia by many people. The best time to look for Cassiopeia is in late fall (September and early November.)