Kepler's Supernova Remnant
Also known as Kepler SNR
Kepler's Supernova Remnant is a supernova remnant in the constellation Ophiuchus.
The remnant of the last supernova seen in the Milky Way, in 1604
Facts
| Type | Supernova remnant |
|---|---|
| Constellation | Ophiuchus |
| Position (J2000) | 17h 30m 40s, −21° 29′ |
| Size on the sky | 3′ × 3′ (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 | 869 scientific papers (SIMBAD) |
When and how to see it
Kepler's Supernova Remnant is highest in the sky at midnight in June. From India (about 20° N) it climbs to about 49° above the horizon; from 50° N, to about 19°.
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 Ophiuchus
- Kepler's Supernova
- M9 (NGC 6333)
- M10 (NGC 6254)
- M12 (NGC 6218)
- M14 (NGC 6402)
- M19 (NGC 6273)
- M62 (NGC 6266)
- M107 (NGC 6171)
Everything in Ophiuchus · All 88 constellations · All sky objects
Data: SIMBAD (CDS, Strasbourg; the site's weekly copy) · Data sources & credits