Algedi

Algedi (α2 Capricorni) is a yellow supergiant star in the constellation Capricornus. With an apparent magnitude of 3.57 it is the 312th-brightest star in the night sky, and it is about 109 light-years from Earth.

Finder chart showing where Algedi is in the constellation Capricornus
Algedi (circled) in Capricornus, with the surrounding constellations and bright stars.
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Facts

ConstellationCapricornus
Designationα2 Capricorni (Alpha Capricorni), HR 7754
Apparent magnitude3.57 (312th brightest)
Spectral typeG8IIIb
Coloryellow (B−V 0.94)
Distanceabout 109 light-years
Right ascension20 h 18.1 min
Declination−12.54°
Best monthSeptember (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 Algedi

Algedi is in Capricornus. From 40° N it is highest in the south in September evenings, about 37° above the horizon. From 35° S it reaches about 68° in the north. Nearby bright stars: Altair (22° away), Nunki (24° away) and Enif (31° away).

Capricornus constellation →

Other named stars in Capricornus

Deneb AlgediDabihNashiraAlshat

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