Open cluster · Cepheus
NGC 7510 The Dormouse Cluster
mag 7.93.9′ across
About
NGC 7510, the Dormouse Cluster, is an open cluster of magnitude 7.9 in Cepheus, about 3.9′ across.
How to find it
- NGC 7510 is in the constellation Cepheus.
- Best evenings: around late 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 19° 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)A small hazy spot.
- Telescope (6–8 inch)A group of faint stars.
For a dark country sky with no Moon. From a city, faint galaxies and nebulae can disappear completely.
Facts
| Designations | NGC 7510 |
|---|---|
| Type | Open cluster |
| Magnitude | 7.9The smaller the number, the brighter. |
| Apparent size | 3.9′the full Moon is 31′ across |
| Constellation | Cepheus |
| Right ascension (J2000) | 23h 11m 03.8s |
| Declination (J2000) | +60° 34′ 15″ |
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 →