Image of the day

Captured by
RICHARD COFER

NGC 7380 Wizard Nebula

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NGC6888, Crescent or Medusa? image

NGC6888, Crescent or Medusa?


Acquisition Details
  • Number of frames:
  • FPS:
  • Focal length:
  • CMI/CMII/CMIII:
Description

Image was taken during March/April 2009. 13 observing nights. 9 hours in H-alpha (Astrodon 6nm), 10 and 20 min. subexpositions mixed. ISO800 10 hours in O-III (Baader 8nm), 20min subexpositions, ISO800 34x2min @ISO200 unfiltered RGB for color stars field and pseudo-continuum substraction. Canon 350Da(baader filter mod) 10 Newton, F=1200 EQ6PRO SynScan mount 75mm refractor as a guider Light-polluted urban sky. About 4.0m visual limit. About 30% of h-alpha frames (10min subexp.)taken with Moon.