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... М66 < М67 > М68 ...

Open star cluster M67

Die Spiralgalaxie M67 is in the constellation Cancer (Cnc).


Equatorial coordinates (epoch J2000):
Ra (α):08h51.4m, Dec (δ):+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. 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 66
Мessier 68

Nikolay Kurdyapin, astro-map.com  

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