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... М66 < М67 > М68 ...

Open star cluster M67

Open star cluster M67 is in the constellation Cancer (Cnc).


Equatorial coordinates (epoch J2000):
Ra 08h51.4m, Dec +11° 49'

Visual magnitude: 7,5m
Distance from the star clusters M67 to the Sun is 2960 light years
Angular size: 25'
External dimensions the star clusters M67 are about 21 light years.
Number of stars: 500
Age of the object M67 is 3700x106 years

Discoverer: Johann Gottfried Koehler, 1779 year.

The designation M67 in other catalogs: NGC 2682

Optimum magnification for a telescope with observations of M67, depending on the aperture of the telescope (D), is about D/6-D/3. 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 M67 is March.

Nikolay Kurdyapin, astro-map.com  
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