SkyRef / Constellations

The Canis Major constellation

Best placed in October. It lies south of the celestial equator and sits low for northern observers, better the further south you go.

Where and when

Best monthOctober
Right ascension6.5h
Declination-26°
Line segments3

Finding it

Canis Major is centred near right ascension 6.5 hours, declination -26°. It lies south of the celestial equator and sits low for northern observers, better the further south you go.

It reaches its highest point in the sky around local midnight in October, 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
Sirius-1.46HR 2491
Adhara1.50HR 2618
Bellatrix2.06HR 2004
Alhena2.45HR 2827

See it on the live map

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

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Other constellations

AndromedaAntliaApusAquariusAquilaAraAriesAurigaBoötesCaelumCamelopardalisCancerCanes VenaticiCanis MajorCanis MinorCapricornusCarinaCassiopeiaCentaurusCepheusCetusChamaeleonCircinusColumbaComa BerenicesCorona AustrinaCorona BorealisCorvusCraterCruxCygnusDelphinusDoradoDracoEquuleusEridanusFornaxGeminiGrusHercules