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Description: M 108 is thought to be a barred spiral galaxy, but it is unlike many spiral galaxies in that it has no prominent central bulge and few HII regions. What it does have is lots of dust and an active galactic nucleus whose jets have blown two gigantic bubbles of atomic hydrogen gas. This active galactic nucleus is probably caused by a supermassive black hole.
Constellation: Ursa Major
Distance: ~45 million light years
Apparent Size: 8' x 2'
Dates: 23 january, 21 & 24 february 2007
Equipment: 12" RC @ f/9, AP1200, ST10XME
Exposure: RGB: 3.5--3--2.5 hours, Astrodons, unbinned