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... М33 < М34 > М35 ...

Open star cluster M34

Open star cluster M34 is in the constellation Perseus (Per).


Equatorial coordinates (epoch J2000):
Ra 02h42.0m, Dec +42° 47'

Visual magnitude: 6,0m
Distance from the star clusters M34 to the Sun is 1630 light years
Angular size: 35'
Class: I,3,m
External dimensions the star clusters M34 are about 17 light years.
Number of stars: 94
Age of the object M34 is 225x106 years

Discoverer: Giovanni Battista Hodierna, before 1654 year.

The designation M34 in other catalogs: NGC 1039

Optimum magnification for a telescope with observations of M34, depending on the aperture of the telescope (D), is about 10x-30x. 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 M34 is November.

Nikolay Kurdyapin, astro-map.com  
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