Nebula Sh2-37 - Adam Lundie - Eatons Hill Observatory

Nebula Sh2-37

Nebula Sh2-37 thumbnail
Nebula Sh2-37
Sh2-37 is a hydrogen emission nebula with two small blue reflection nebulae, embedded in a dusty background against the core of the Milky Way.


  • 60x 600s Luminance bin1x1
  • 35x 300s Red bin2x2
  • 20x 300s Green bin2x2
  • 24x 300s Blue bin2x2

Total exposure 16 hours 35 minutes.


  • Skywatcher Black Diamond ED80
  • SkyWatcher EQ8 Pro Mount
  • QSI 683-ws8 Camera @ -15°C
  • Astronomik Typ2 LRGB filters
  • Starlight Xpress Lodestar X2 Autoguider
  • Innovations Foresight On Axis Guider
  • Starlight Instruments Focus Boss II


  • Orange zone in Brisbane, Australia. (Bortle 7)
  • Imaged over 5 nights, 50% moon.


  • Planning & camera alignment with Aladin 9
  • Captured with AstroArt 6
  • Guiding with PHD2 + PHD_Dither
  • FocusLock live focusing
  • CCDInspector: Image analysis & rejection
  • CCDStack 2+: Calibrate, align, stack, deconvolution, remove gradients, combine RGB.
  • Photoshop CC: Shadows/highlights, combine L+RGB, curves, adjust colour balance, saturation, crop.