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... М40 < М41 > М42 ...

Open star cluster M41

Open star cluster M41 is in the constellation Canis Major (CMa).


Equatorial coordinates (epoch J2000):
Ra 06h46.0m, Dec +20° 45'

Visual magnitude: 5,0m - this object can be seen with the naked eye on a black sky, in the absence of illumination from street lighting.
Distance from the star clusters M41 to the Sun is 2260 light years
Angular size: 40'
External dimensions the star clusters M41 are about 26 light years.
Number of stars: 70
Age of the object M41 is 190x106 years

Discoverer: Giovanni Battista Hodierna, 1654 year.

The designation M41 in other catalogs: NGC 2287

Optimum magnification for a telescope with observations of M41, 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 M41 is February.

Nikolay Kurdyapin, astro-map.com  
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