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Name / Constellation

NGC 7640

Other:

And

Coordinates AR: 23h 22m 6.58sec - Dec: +40° 50' 43.5"
Optics Richtey-Chretien Officina Stellare 10"@F8 Carbon Truss
Camera-Mount SBIG ST10XME/CFW10/ONAG/ST8300 guider - 10Micron GM2000 QCI Mount
Filters Astrodon LRGB TruBalance (Gen 2)
Exposure
  • Luminance
  • Red
  • Green
  • Blue
  • 19 x 900 sec - 4 hours 45 min
  • 9 x 600 sec - 90 minutes
  • 9 x 600 sec - 90 minutes
  • 9 x 600 sec - 90 minutes
  • UNBINNED
  • BINNING 2X2
  • BINNING 2X2
  • BINNING 2X2
Location / Date Promiod (Valle D'Aosta-Italy) "TLP" Remote Observatory - 15/17 oct 2017
Seeing About 2 " - 0.71 arcosec/pixel image scale unbinned
Note  
Acquisition MaxIm DL - CCD Autopilot 5
Processing Adobe Photoshop CS5 -
Comment

NGC 7640 is a barred spiral galaxy , 29 millions light-years away. It's about 59000 light-years in diameter. Apparent size 10' x 2.2' and apparent mag 11.5 - It seems to have undergone gravitational interaction in the past.