Rosette B (NGC 2246)
Also known as Rosette B · NGC 2246
Rosette B (NGC 2246) is a nebula in the constellation Monoceros, about 7,830 light-years from Earth.
Facts
| Type | Nebula |
|---|---|
| Constellation | Monoceros |
| Position (J2000) | 6h 32m 33s, +5° 07′ |
| Distance | 7,830 light-years (its light set off about 7,830 years ago) |
| Size on the sky | 10′ × 10′ (the full Moon is about 31′) |
| 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 | 24 scientific papers (SIMBAD) |
When and how to see it
Rosette B (NGC 2246) is highest in the sky at midnight in December. From India (about 20° N) it climbs to about 75° above the horizon; from 50° N, to about 45°.
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 Monoceros
- Christmas Tree Cluster
- Cone Nebula
- Hubble's Variable Nebula
- M50 (NGC 2323)
- Red Rectangle
- Red Rectangle Nebula
- Rosette Nebula
- Seagull Nebula
Everything in Monoceros · All 88 constellations · All sky objects
Data: SIMBAD (CDS, Strasbourg; the site's weekly copy) · OpenNGC · Data sources & credits