Arp 93 Colliding Galaxies NGC7284 and NGC7285 - Adam Lundie - Eatons Hill Observatory

Arp 93 Colliding Galaxies NGC7284 and NGC7285

16-Sep-2018
Arp 93 Colliding Galaxies NGC7284 and NGC7285 thumbnail
Arp 93 Colliding Galaxies NGC7284 and NGC7285
210 million light years away, a barred spiral galaxy NGC 7284 is colliding with a lenticular galaxy NGC 7285, throwing off massive tidal tails.

Image:

  • 74x 400s luminance
  • 14x 150s red
  • 22x 150s green
  • 20x 150s blue

Total integration 8 hours 30 minutes.

Hardware:

  • Celestron 11" EdgeHD
  • Skywatcher EQ8 Pro mount
  • QSI 683-ws8 Camera @ -15°C
  • Astronomik luminance, deep sky RGB filters
  • Starlight Xpress Lodestar X2 Autoguider
  • Starlight Xpress Active Optics
  • Innovations Foresight On Axis Guider
  • Starlight Instruments Focus Boss II

Location:

  • Orange zone in Brisbane, Australia. (Bortle 7)
  • Imaged over 3 nights. New Moon.

Software:

  • Planning & camera alignment with Aladin 10
  • Captured with TheSkyX Professional
  • Guiding with PHD2
  • FocusLock live focusing
  • PixInsight: Calibrate, align, stack, crop, dynamic background extraction, color calibration, light deconvolution, reduce noise, LRGB combination, background neutralization, SCNR green, histogram stretch, curves.

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