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... М28 < М29 > М30 ...

Open star cluster M29

Open star cluster M29 or Cooling star cluster is in the constellation Cygnus (Cyg).


Equatorial coordinates (epoch J2000):
Ra 20h 23.9m, Dec +38° 32'

Visual magnitude: 9,0m
Distance to the star clusters M29 to the Sun is 5160 light years
Angular size: 8'
Class: d
External dimensions the star clusters M29 are about 12 light years.
Number of stars: 69
Age of the object M29 is 90x106 years

Discoverer: Charles Messier, 1764 year.

The designation M29 in other catalogs: NGC 6913

Optimum magnification for a telescope with observations of M29, depending on the aperture of the telescope (D), is about 15x-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 M29 is August.

Nikolay Kurdyapin,  
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