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... М104 < М105 > М106 ...

Elliptical galaxy M105

Elliptical galaxy M105 is in the constellation Leo (Leo).


Equatorial coordinates (epoch J2000):
Ra 10h47.8m, Dec +12° 35'

Visual magnitude: 9,3m
Distance from the galaxy M105 to the Sun is 37,9*106 light years
Angular size: 5'×5'
Class: E1
External dimensions the galaxy M105 are about 55000 light years.
Estimated weight the galaxy: 100x109 suns
The mass of the central object (black hole): 200x106 suns

Discoverer: Pierre François André Méchain, 24.03.1781 year.

The designation M105 in other catalogs: NGC 3379

Optimum magnification for a telescope with observations of M105, 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 M105 is April.

Nikolay Kurdyapin, astro-map.com  
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