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NGC253 / Silver Dollar Galaxy

Classification: Spiral Galaxy C65, H1-5
Constellation: Sculptor (SCL)
Object Location: Ra 00h 48m 18s Dec -25° 12’27° (current)
Size & Distance: 29 x 6.8 Apx 11.5 Million light-years.

Date & Location: 09-11-2010 Palomar Mountain, CA.
Exposure: LRGB L= 10@ 3min (bin 1x1). RGB= 5 ea. @ 5min (bin 2x2)
Optics: Takahashi Epsilon-210 f3 630mm. w/ FLI-PDF focuser.
Mount: Astro-Physics 900 GTO / ATS 10x36 Pier
Camera: SBIG-ST10XME @-20c / Guided by STV 80mm, SBIG-RGH
Filters: Astrodon G2 LRGB
Software: MaxImDL 4.56, CCDStack, Photoshop CS5, Topaz Lab.

Notes: Sky conditions: Average seeing, no winds, mid 50’s
Image Field of view is 54.5 x 81 arcmin.

The Sculptor Galaxy, also known as the Silver Dollar Galaxy, NGC 253, is an intermediate spiral galaxy in the constellation Sculptor. The Sculptor Galaxy is a starburst galaxy, which means that it is currently undergoing a period of intense star formation.