Spiral galaxy · Pegasus
NGC 7320 Stephan's Quintet
mag 13.02.5′ across
About
NGC 7320, the Stephan's Quintet, is a spiral galaxy of magnitude 13.0 in Pegasus, about 2.5′ across.
How to find it
- NGC 7320 is in the constellation Pegasus.
- Best evenings: around mid-October it is highest at about 9 pm (10 pm in summer time); a month earlier, two hours later.
- Where on Earth: it is seen well, at least 10° up, from north of 46° S.
When it rises and sets tonight, how high it climbs and how much the Moon gets in the way are worked out in your browser for your place.
What you will see
- EyesNot visible to the naked eye.
- Binoculars (10×50)Too faint for binoculars.
- Telescope (6–8 inch)A small, faint smudge that needs a dark sky and patience.
For a dark country sky with no Moon. From a city, faint galaxies and nebulae can disappear completely.
Facts
| Designations | NGC 7320, PGC 69270, UGC 12101 |
|---|---|
| Type | Spiral galaxy (Scd) |
| Magnitude | 13.0The smaller the number, the brighter. |
| Apparent size | 2.5′ × 1.4′position angle 132°; the full Moon is 31′ across |
| Surface brightness | 23.5 mag/arcsec²Average over its disc, in the blue band: the lower the number, the easier it is to see. |
| Constellation | Pegasus |
| Right ascension (J2000) | 22h 36m 03.4s |
| Declination (J2000) | +33° 56′ 53″ |
Sources and credits
Catalog data: OpenNGC by Mattia Verga, CC BY-SA 4.0, and d3-celestial by Olaf Frohn, BSD 3-Clause. All data sources →