Cursa
Also known as β Eri · HR 1666
Cursa is a high proper motion star in the constellation Eridanus, about 90 light-years from Earth.
Facts
| Type | High proper motion star (spectral type A3IV) |
|---|---|
| Constellation | Eridanus |
| Position (J2000) | 5h 07m 50s, −5° 05′ |
| Distance | 90 light-years (its light set off about 90 years ago) |
| Brightness | magnitude 2.79 (smaller is brighter; the faintest stars the eye sees are about 6) |
| Studied in | 233 scientific papers (SIMBAD) |
When and how to see it
Cursa is highest in the sky at midnight in December. From India (about 20° N) it climbs to about 65° above the horizon; from 50° N, to about 35°. 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 Eridanus
Everything in Eridanus · All 88 constellations · All sky objects
Data: SIMBAD (CDS, Strasbourg; the site's weekly copy) · Data sources & credits