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... М81 < М82 > М83 ...

Spiral galaxy M82

Spiral galaxy M82 or Cigar galaxy is in the constellation Ursa Major (UMa).


Equatorial coordinates (epoch J2000):
Ra 09h55.9m, Dec +69° 41'

Visual magnitude: 8,4m
Distance from the galaxy M82 to the Sun is 11,4*106 light years
Angular size: 11'×4'
Class: Ir-II or P
External dimensions the galaxy M82 are about 37000 light years.
Estimated weight the galaxy: 50x109 suns

Discoverer: Johann Elert Bode, 31.12.1774 year.

The designation M82 in other catalogs: NGC 3034

Optimum magnification for a telescope with observations of M82, depending on the aperture of the telescope (D), is about D/6-0.8D. 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 M82 is .

Nikolay Kurdyapin, astro-map.com  
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