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... М81 < М82 > М83 ...

Spiral galaxy M82

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

M82

Equatorial coordinates (epoch J2000):
Ra (α):09h55.9m, Dec (δ):+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 March - April. 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.

M81
Мessier 81
M83
Мessier 83

Nikolay Kurdyapin, astro-map.com  
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