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Constellation

Cassiopeia

Cassiopeia (Cas) is one of the 88 constellations recognised by the International Astronomical Union. Its brightest star is Cih (magnitude 2.15).

Latin nameCassiopeia
AbbreviationCas
Brightest starCih
Stars in this encyclopedia250
Stars with exoplanets35
Deep-sky objects278
Galaxies16

In the sky

Visible from the whole Northern Hemisphere and south to latitude 29° S. North of latitude 29° N it never sets. It stands highest at midnight in October, the best time to observe it.

Its brightest stars

  • Cih 2.15 · 549.1 light-years
  • Schedar 2.24 · 231.5 light-years
  • Caph 2.28 · 54.7 light-years
  • Ruchbah 2.66 · 101.8 light-years
  • Segin 3.35 · 465.7 light-years
  • Achird 3.46 · 19.3 light-years
  • Fulu 3.69 · 489.3 light-years
  • 50 Cas 3.95 · 156.5 light-years
  • θ Cas 4.34 · 136.6 light-years
  • ι Cas 4.46 · 147.7 light-years
  • ο Cas 4.48 · 6,375 light-years
  • 48 Cas 4.49 · 113.1 light-years
  • Castula 4.62 · 195.9 light-years
  • χ Cas 4.68 · 200.6 light-years
  • ψ Cas 4.72 · 200.8 light-years
  • λ Cas 4.74 · 377.5 light-years
  • ξ Cas 4.80 · 1,124 light-years
  • Gl 41 4.80 · 61.7 light-years
  • υ¹ Cas 4.83 · 359.9 light-years
  • 1 Cas 4.84 · 1,438 light-years
  • HIP 14862 4.85 · 166.1 light-years
  • τ Cas 4.88 · 173.7 light-years
  • HIP 115990 4.89 · 667.6 light-years
  • ν Cas 4.90 · 356.3 light-years
  • π Cas 4.95 · 175.1 light-years

Its stars with exoplanets

Deep-sky objects

Galaxies

  • And XXV 2.64 million light-years
  • And XXVI 2.48 million light-years
  • NGC 185 1.99 million light-years
  • NGC 147 2.48 million light-years
  • And XXX 2.22 million light-years
  • KKH 5 13.9 million light-years
  • MB3 9.78 million light-years
  • Dw1 9.13 million light-years
  • Dw2 9.78 million light-years
  • IC 10 2.15 million light-years
  • MB1 9.78 million light-years
  • Maffei2 9.13 million light-years
  • Maffei1 9.82 million light-years
  • Cas1 10.8 million light-years
  • NGC 278 29.2 million light-years
  • NGC 1343 103.2 million light-years

Its other stars