SkyRef / Constellations

The Cassiopeia constellation

Best placed in June. It sits well north on the sky and is comfortably placed for northern hemisphere observers.

Where and when

Best monthJune
Right ascension23.6h
Declination+56°
Line segments1

Finding it

Cassiopeia is centred near right ascension 23.6 hours, declination +56°. It sits well north on the sky and is comfortably placed for northern hemisphere observers.

It reaches its highest point in the sky around local midnight in June, which is when it is easiest to pick out. Earlier in the year it rises before dawn; later, it is already setting in the evening.

Bright stars in this part of the sky

StarMagnitudeCatalogue
Schedar2.23HR 168
Alpheratz2.27HR 21

See it on the live map

SkyRef draws Cassiopeia in its real position for wherever you are, right now, along with the other 88 IAU figures.

Open the live sky map →

Other constellations

AndromedaAntliaApusAquariusAquilaAraAriesAurigaBoötesCaelumCamelopardalisCancerCanes VenaticiCanis MajorCanis MinorCapricornusCarinaCassiopeiaCentaurusCepheusCetusChamaeleonCircinusColumbaComa BerenicesCorona AustrinaCorona BorealisCorvusCraterCruxCygnusDelphinusDoradoDracoEquuleusEridanusFornaxGeminiGrusHercules