Betta Fish Nebula
Also known as SNR G296.5+10.0
Betta Fish Nebula is a supernova remnant in the constellation Centaurus.
The Mermaid Nebula, supernova remnant G296.5+10.0 in Centaurus
Facts
| Type | Supernova remnant |
|---|---|
| Constellation | Centaurus |
| Position (J2000) | 12h 09m 40s, −52° 25′ |
| Size on the sky | 90′ × 65′ (the full Moon is about 31′) |
| Filter | OIII filter (Planetary nebulae and supernova remnants shine mostly in the green light of doubly ionised oxygen: an OIII filter passes it and darkens the sky around it.) |
| Studied in | 304 scientific papers (SIMBAD) |
When and how to see it
Betta Fish Nebula is highest in the sky at midnight in March. From India (about 20° N) it climbs to about 18° above the horizon; from 50° N it never rises.
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 Centaurus
- Boomerang Nebula
- Centaurus A (NGC 5128)
- Mermaid Nebula
- Omega Centauri
- Running Chicken Nebula
- SN 1006
- Southern Crab Nebula
- Thackeray's Globules
Everything in Centaurus · All 88 constellations · All sky objects
Data: SIMBAD (CDS, Strasbourg; the site's weekly copy) · Data sources & credits