WR 104
WR 104 is a Wolf-Rayet star in the constellation Sagittarius, about 2,080 light-years from Earth.
Wolf-Rayet binary wrapped in a pinwheel of dust, in Sagittarius
Facts
| Type | Wolf-Rayet star (spectral type WC9) |
|---|---|
| Constellation | Sagittarius |
| Position (J2000) | 18h 02m 04s, −23° 37′ |
| Distance | 2,080 light-years (its light set off about 2,080 years ago) |
| Brightness | magnitude 13.16 (smaller is brighter; the faintest stars the eye sees are about 6) |
| Studied in | 242 scientific papers (SIMBAD) |
When and how to see it
WR 104 is highest in the sky at midnight in June. From India (about 20° N) it climbs to about 46° above the horizon; from 50° N, to about 16°. To see it you need a large telescope or long-exposure photos.
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 Sagittarius
- Lagoon Nebula (M8)
- M18 (NGC 6613)
- M21 (NGC 6531)
- M23 (NGC 6494)
- Omega Nebula (M17)
- Sagittarius A*
- Sagittarius Cluster (M22)
- Trifid Nebula (M20)
Everything in Sagittarius · All 88 constellations · All sky objects
Data: SIMBAD (CDS, Strasbourg; the site's weekly copy) · Data sources & credits