Perseus A (NGC 1275)
Also known as Perseus A · NGC 1275
Perseus A (NGC 1275) is a galaxy in the constellation Perseus, about 242.99 million light-years from Earth.
Facts
| Type | Galaxy (shape cD) |
|---|---|
| Constellation | Perseus |
| Position (J2000) | 3h 19m 48s, +41° 30′ |
| Distance | 242.99 million light-years (its light set off about 242.99 million years ago) |
| Brightness | magnitude 12.48 (smaller is brighter; the faintest stars the eye sees are about 6) |
| Size on the sky | 2.6′ × 1.8′ (the full Moon is about 31′) |
| Filter | No filter (It shines in starlight of every colour, so a nebula filter would only dim it; a dark sky helps more.) |
| Redshift | z = 0.01681 |
| Studied in | 4,311 scientific papers (SIMBAD) |
When and how to see it
Perseus A (NGC 1275) is highest in the sky at midnight in November. From India (about 20° N) it climbs to about 68° above the horizon; from 50° N, to about 82°. To see it you need a large telescope or long-exposure photos.
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 Perseus
- Alpha Persei Cluster
- California Nebula
- Double Cluster
- Little Dumbbell Nebula (M76)
- M34 (NGC 1039)
- Mirfak
- NGC 1277
- Perseus Cluster
Everything in Perseus · All 88 constellations · All sky objects
Data: SIMBAD (CDS, Strasbourg; the site's weekly copy) · OpenNGC · Data sources & credits