М51 < М52 > М53 ...
Open star cluster M52
Open star cluster M52 is in the constellation Cassiopeia (Cas).
Equatorial coordinates (epoch J2000):
Visual magnitude: 8,0m
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.
Nikolay Kurdyapin, astro-map.com
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