M108 (NGC 3556)

Typ:Barred Spiral galaxy
Constellation:Ursa Major
Size:8x1'
Distance:20900 kLj
Brightness:8.9 mag
Position:RA:11h 11m 31.0s DEC:+55° 40′ 27″
Max. height:84.33°, Mar. (midnight at +50°N)
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Discovered:Pierre Méchain, 1781
Details:Read more on Wikipedia

The next image shows the full frame in a manual edit (580mm, ASI2600MM, LRGB 1h).