Tycho's Supernova Remnant
Also known as Tycho SNR
Tycho's Supernova Remnant is a supernova remnant in the constellation Cassiopeia, about 9,230 light-years from Earth.
The remnant of the supernova Tycho Brahe saw in 1572
Facts
| Type | Supernova remnant (spectral type B8) |
|---|---|
| Constellation | Cassiopeia |
| Position (J2000) | 0h 25m 21s, +64° 08′ |
| Distance | 9,230 light-years (its light set off about 9,230 years ago) |
| Size on the sky | 8′ × 8′ (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 | 1,279 scientific papers (SIMBAD) |
When and how to see it
Tycho's Supernova Remnant is highest in the sky at midnight in September. From India (about 20° N) it climbs to about 46° above the horizon; from 50° N, to about 76°.
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 Cassiopeia
- Bubble Nebula
- Cassiopeia A
- Heart Nebula
- M52 (NGC 7654)
- M103 (NGC 581)
- Pacman Nebula
- Soul Nebula
- Tycho's Supernova
Everything in Cassiopeia · All 88 constellations · All sky objects
Data: SIMBAD (CDS, Strasbourg; the site's weekly copy) · Data sources & credits