NGC7640
NGC7640 is a barred-sprial galaxy between 17 and 19 Million Light-Years distant in the Constellation Andromeda. It is about half the size of the Milky Way Galaxy at approximately 59,000 Light-Years diameter. It appears to have lots of blue star regions in its two major arms, but very little gas, dust and HII regions.
Object: NGC7640
Distance: 17-19 Million Light-Years
Magnitude: 10.9
Date: October 2009
Place: Fort Davis, TX
Exposure Details: LRGB:590:180:170:220 minutes unbinned
Processing: MaxIm DL, CCDStack; Photoshop CS3
Optics: 12.5" RCOS Truss
Focal Length: 2808mm @ f9
Mount: Paramount ME Robotic Equatorial
Camera: SBIG STL6303E
Focuser: RCOS
Guiding: Off-Axis with SBIG Guide Camera
Filters: Tru-Balance Gen II LRGB 2"