Cassiopeia

Overview

Cassiopeia (Cassiopeiae) — The Seated Queen is one of the 88 modern constellations recognised by the International Astronomical Union.

Highlights

• ★Its distinctive W/M shape
• ★The open clusters M52 and M103

Notable stars

46 catalogued stars in this encyclopedia.

• Cihmag 2.15
• Ruchbahmag 2.66
• Seginmag 3.35
• Achirdmag 3.46
• Fulumag 3.69
• 50 Cassiopeiaemag 3.95
• Kappa Cassiopeiaemag 4.17
• Theta Cassiopeiaemag 4.34
• Iota Cassiopeiaemag 4.46
• Omicron Cassiopeiaemag 4.48
• 48 Cassiopeiaemag 4.49
• Rho Cassiopeiaemag 4.51

Deep-sky objects

• Owl Cluster
• IC 1805
• IC 1848
• NGC 129
• NGC 654
• NGC 1027
• NGC 7789
• M 52
• NGC 225
• NGC 663
• M 103
• NGC 659
• NGC 637
• NGC 7790
• NGC 189
• NGC 436
• NGC 146
• NGC 185
• NGC 381
• NGC 133
• NGC 7788
• NGC 559
• NGC 147
• NGC 103

Mythology

Neighbouring constellations

Knowledge connections

• ContainsMessier 52
• ContainsMessier 103
• IncludesSchedar
• IncludesCaph
• Constellation ofCih
• Constellation ofRuchbah
• Constellation ofSegin
• Constellation ofAchird
• Constellation ofFulu
• Constellation of50 Cassiopeiae
• Constellation ofKappa Cassiopeiae
• Constellation ofTheta Cassiopeiae
• Constellation ofIota Cassiopeiae
• Constellation ofOmicron Cassiopeiae
• Constellation of48 Cassiopeiae
• Constellation ofRho Cassiopeiae
• Constellation ofCastula
• Constellation ofChi Cassiopeiae
• Constellation ofPsi Cassiopeiae
• Constellation ofLambda Cassiopeiae
• Constellation ofHR 244
• Constellation ofXi Cassiopeiae
• Constellation of26 Cassiopeiae
• Constellation of1 Cassiopeiae

Sources

The primary and reference sources this topic draws on.

• IAUInternational Astronomical Union

  Official naming, definitions, constellation boundaries, and astronomical nomenclature.