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... М28 < М29 > М30 ...

Open star cluster M29

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


Equatorial coordinates (epoch J2000):
Ra (α):20h23.9m, Dec (δ):+38° 32'

Visual magnitude: 9,0m
Distance from 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. At this time, the object is at midnight near its highest point in the sky, that is, it is less affected by light from the lanterns and atmospheric distortions.

Мessier 28
Мessier 30

Nikolay Kurdyapin, astro-map.com  

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