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... М51 < М52 > М53 ...

Open star cluster M52

Open star cluster M52 is in the constellation Cassiopeia (Cas).


Equatorial coordinates (epoch J2000):
Ra 23h 24.2m, Dec +61° 35'

Visual magnitude: 8,0m
Distance to the star clusters M52 to the Sun is 4630 light years
Angular size: 16'
Class: e
External dimensions the star clusters M52 are about 22 light years.
Number of stars: 6000
Age of the object M52 is 25—165x106 years

Discoverer: Charles Messier, 1774 year.

The designation M52 in other catalogs: NGC 7654

Optimum magnification for a telescope with observations of M52, depending on the aperture of the telescope (D), is about 10x-35x. Higher magnifications of course add details, but lead to a strong drop in the brightness of the image, making it difficult to observe.
The best month for observing M52 is October.

Nikolay Kurdyapin,  
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