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... М96 < М97 > М98 ...

Planetary nebula M97

Planetary nebula M97 or Owl nebula is in the constellation Ursa Major (UMa).


Equatorial coordinates (epoch J2000):
Ra 11h14.8m, Dec +55° 01'

Visual magnitude: 9,9m
Distance from the nebula M97 to the Sun is 4140 light years
Angular size: 170"
External dimensions the nebula M97 are about 3,5 light years.
Age of the object M97 is 6—12x103 years

Discoverer: Pierre François André Méchain, 16.02.1781 year.

The designation M97 in other catalogs: NGC 3587

Optimum magnification for a telescope with observations of M97, depending on the aperture of the telescope (D), is about D/6-0.4D. 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 M97 is April.

Nikolay Kurdyapin, astro-map.com  
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