Barnard's Loop
Barnard's Loop is an HII region in the constellation Orion.
Great arc of glowing gas around Orion
Facts
| Type | HII region |
|---|---|
| Constellation | Orion |
| Position (J2000) | 5h 27m 30s, −3° 58′ |
| Filter | UHC (narrowband) filter (Glowing gas shines in a few colours of hydrogen and oxygen: a UHC filter passes those and blocks most light pollution and sky glow.) |
| Studied in | 133 scientific papers (SIMBAD) |
When and how to see it
Barnard's Loop is highest in the sky at midnight in December. From India (about 20° N) it climbs to about 66° above the horizon; from 50° N, to about 36°.
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 Orion
- Cosmic Bat Nebula
- De Mairan's Nebula (M43)
- Flame Nebula
- Horsehead Nebula
- M78 (NGC 2068)
- Monkey Head Nebula
- Orion Nebula (M42)
- TXS 0506+056
Everything in Orion · All 88 constellations · All sky objects
Data: SIMBAD (CDS, Strasbourg; the site's weekly copy) · Data sources & credits