Aljanah
Also known as ε Cyg · HR 7949
Aljanah is a double or multiple star in the constellation Cygnus, about 76 light-years from Earth.
Facts
| Type | Double or multiple star (spectral type K0III) |
|---|---|
| Constellation | Cygnus |
| Position (J2000) | 20h 46m 12s, +33° 58′ |
| Distance | 76 light-years (its light set off about 76 years ago) |
| Brightness | magnitude 2.48 (smaller is brighter; the faintest stars the eye sees are about 6) |
| Studied in | 523 scientific papers (SIMBAD) |
When and how to see it
Aljanah is highest in the sky at midnight in August. From India (about 20° N) it climbs to about 76° above the horizon; from 50° N, to about 74°. 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 Cygnus
- Cooling Tower Cluster (M29)
- Cygnus A
- Cygnus X-1
- Fireworks Galaxy
- M39 (NGC 7092)
- North America Nebula
- Pelican Nebula
- Veil Nebula
Everything in Cygnus · All 88 constellations · All sky objects
Data: SIMBAD (CDS, Strasbourg; the site's weekly copy) · Data sources & credits