Barred Spiral Galaxy NGC 1365 - Adam Lundie - Eatons Hill Observatory

Barred Spiral Galaxy NGC 1365

27-Nov-2015
Barred Spiral Galaxy NGC 1365 thumbnail
Barred Spiral Galaxy NGC 1365
NGC 1365 is a barred spiral galaxy 56 million light years away. Presented here is a hydrogen alpha enhanced color photograph.

Image:

  • 24x 420s luminance bin2x2 + 20 flat + 37x dark + 120x bias
  • 12x 180s red bin3x3 + 20 flat + 20x dark + 120x bias
  • 12x 180s blue bin3x3 + 20 flat + 20x dark + 120x bias
  • 12x 180s green bin3x3 + 20 flat + 20x dark + 120x bias
  • 24x 600s Hα bin2x2 + 22 flat + 37x dark + 120x bias

Total exposure time: 8 hours 36 minutes.

Hardware:

  • Celestron EdgeHD 1100 with CGEM DX mount
  • QSI 683-wsg Camera @ -15C
  • Astronomik Type 2c LRGB & 6nm Hα filter
  • Orion StarShoot Autoguider
  • Starlight Xpress Adaptive Optics

Location:

  • Orange zone in Brisbane, Australia. (Bortle 7)
  • LRGB: Average seeing + 50% moon phase (waxing gibbous).
  • Hα: Average seeing + full moon.

Software:

  • Captured with AstroArt 6
  • Guiding with PHD2 + PHD_Dither
  • Aladin 8.0: Planning & camera alignment.
  • CCDInspector: Image analysis & rejection
  • CCDStack 2+: Calibrate, align, normalize, stack, curves, combine RGB.
  • Astra Image 4.0: Deconvolution
  • Photoshop CC: Reduce noise, shrink stars, high pass filter, shadows/highlights, integrate Hα+L+RGB, color balance, contrast.

Other items of interest:
Asteroid observed while blinking data:
2015 TG237

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