Spiral Galaxy in Cygnus

Updated August 25, 2002

The face on Spiral galaxy is in a highly obscured part of the milkyway in Cygnus, thus imparting a slight yellowish cast from dust absorption over the entire disk. Numerous pink HII regions of hydrogen dot the arms, with intricate dust lanes right up to the core being visible. This galaxy is 9.6th magnitude, and fills the entire CCD field at 14x9 arcminutes in size.

(the old image is at here.)

Instrument:  12.5" f/5 Home made Newtonian
CCD Camera:  SBIG ST7E w/Enhanced Cooling
Exposure:  LRGB = 60:20:20:36 (RGB Binned 2x2)
Filters:  RGB Tricolor
Location:  Payson, Arizona
Elevation:  5150 ft.
Sky:  Seeing 8/10, Transparency 8/10
Outside Temperature:  21 C
CCD Temperature:  -20 C
Processing:  Maxim DL, AIP, Photoshop, PW Pro.




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