12Cassiopeia, The Queen
NAME: Cassiopeia (cass-ee-oh-PEE-uh)
SEASON: Autumn
CULMINATION: midnight, 9 October
ABBREVIATION: Cas
GENITIVE: Cassiopeiae (cass-ee-oh-PEE-eye)
NEIGHBORS: And, Cam, Cep, Lac, Per
BINOCULAR OBJECTS: NGC 129, NGC 457, NGC 581 (M 103), NGC 663, Cr 463, St 2, Mrk 6, Mel 15, Tr 3, NGC 7654 (M 52), NGC 7789
URBAN OBJECTS: NGC 129, NGC 457, NGC 663, Cr 463, St 2, Tr 3, NGC 7789, 24-eta (STF 60)
Cassiopeia is a bright circumpolar autumn constellation of medium size, ranking 25th among the 88 constellations. It covers 598 square degrees of sky, or about 1.4%. The prominent shape of Cassiopeia (like the letter M or W, depending on the time of year) makes it among the most easily recognized constellations, familiar even to casual ...
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