Open cluster · Cassiopeia
M52
Also known as: NGC 7654
mag 6.913′ across
About
M52 is an open cluster of magnitude 6.9 in Cassiopeia, about 13′ across.
How to find it
- M52 is in the constellation Cassiopeia.
- 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 18° S.
- Cassiopeia’s W: A rich cluster on the line from Schedar through Caph, continued about as far again.
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 knot of stars, partly resolved.
- Telescope (6–8 inch)Dozens of stars, many sharp and some coloured.
For a dark country sky with no Moon. From a city, faint galaxies and nebulae can disappear completely.
Facts
| Designations | M52, NGC 7654 |
|---|---|
| Type | Open cluster |
| Magnitude | 6.9The smaller the number, the brighter. |
| Apparent size | 13′the full Moon is 31′ across |
| Constellation | Cassiopeia |
| Right ascension (J2000) | 23h 24m 48.4s |
| Declination (J2000) | +61° 35′ 36″ |
More in Cassiopeia
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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 →