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... М55 < М56 > М57 ...

Globular star cluster M56

Globular star cluster M56 is in the constellation Lyra (Lyr).


Equatorial coordinates (epoch J2000):
Ra 19h16.6m, Dec +30° 11'

Visual magnitude: 9,5m
Distance from the star clusters M56 to the Sun is 27390 light years
Angular size: 7'
Class: X
External dimensions the star clusters M56 are about 55 light years.
Estimated weight the star clusters: 200x103 suns

Discoverer: Charles Messier, 1779 year.

The designation M56 in other catalogs: NGC 6779

Optimum magnification for a telescope with observations of M56, depending on the aperture of the telescope (D), is about D/3-0.8D. 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 M56 is August.

Nikolay Kurdyapin, astro-map.com  
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