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M63 / Sunflower Galaxy

Classification: Spiral Galaxy
Constellation: Canes Venatici (CVN)
Object Location: Ra 13h 16m 31s Dec +41° 56’59” (current)
Size & Distance: 12.6 x 7.2 Apx 37 Million light years.

Date & Location: 04-12-2013 Little Blair Valley, CA.
Exposure: LRGB, 130,60,60,60 all 10m subs, (bin 1x1)
Optics: Telescope Engineering Company APO160FL @ f/7.2 F/L 1152mm.
Mount: Astro-Physics 900 GTO / ATS 10x36 pier.
Camera: SBIG-ST10XME @ -10c / Guided by TV60APO / w SBIG-RGH
Filters: Astrodon G2 LRGB
Software: MaxImDL 4.56, Photoshop CS5, CCDStack, Topaz Labs.

Notes: Sky conditions: Below average seeing, Light wind.
Image Field of view is 22 x 30 arcmin.

M63 is a spiral galaxy in the constellation Canes Venatici consisting of a central disc surrounded by many short spiral arm segments. M63 is part of the M51 Group, a group of galaxies that also includes M51 (the 'Whirlpool Galaxy'). M63 was discovered by Pierre Méchain on June 14, 1779. The galaxy was then listed by Charles Messier as object 63 in the Messier catalogue. In 1971, a supernova with a magnitude of 11.8 appeared in one of the arms of M63.