Deneb Algedi
Also known as δ Cap · HR 8322
Deneb Algedi is a spectroscopic binary star in the constellation Capricornus, about 38 light-years from Earth.
Facts
| Type | Spectroscopic binary star (spectral type kA5hF0mF2III) |
|---|---|
| Constellation | Capricornus |
| Position (J2000) | 21h 47m 02s, −16° 07′ |
| Distance | 38 light-years (its light set off about 38 years ago) |
| Brightness | magnitude 2.83 (smaller is brighter; the faintest stars the eye sees are about 6) |
| Studied in | 287 scientific papers (SIMBAD) |
When and how to see it
Deneb Algedi is highest in the sky at midnight in August. From India (about 20° N) it climbs to about 54° above the horizon; from 50° N, to about 24°. To see it you need the naked eye, even from a town.
Heights are worked out for India and for 50° N. Set your location in Settings to see them for where you are.
For tonight's best time from your own town, the darkness and the Moon, open it on the map and see its "Tonight from your location" card.
More in Capricornus
Everything in Capricornus · All 88 constellations · All sky objects
Data: SIMBAD (CDS, Strasbourg; the site's weekly copy) · Data sources & credits