Aludra

Aludra (η Canis Majoris) is a blue-white supergiant star in the constellation Canis Major. With an apparent magnitude of 2.45 it is the 88th-brightest star in the night sky.

Finder chart showing where Aludra is in the constellation Canis Major
Aludra (circled) in Canis Major, with the surrounding constellations and bright stars.
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Free to use with credit: Atlas of the Sky (constellationmap.org), CC BY 4.0 · More

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Facts

ConstellationCanis Major
Designationη Canis Majoris (Eta Canis Majoris), HR 2827
Apparent magnitude2.45 (88th brightest)
Spectral typeB5Ia
Colorblue-white (B−V -0.08)
Distance—
Right ascension7 h 24.1 min
Declination−29.30°
Best monthFebruary (at about 9 pm)

Sources: star positions, magnitudes and colors from the Yale Bright Star Catalogue; constellation boundaries and star names from the IAU; areas and distances from Wikidata; stick figures by M. van der Sluys. How the maps are made.

How to find Aludra

Aludra is in Canis Major. From 40° N it is highest in the south in February evenings, about 21° above the horizon. From 35° S it reaches about 84° in the north. Nearby bright stars: Wezen (5° away), Adhara (6° away) and Naos (13° away).

Canis Major constellation →

Other named stars in Canis Major

SiriusAdharaWezenMirzamFurudNganurganityMuliphein

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