On the Shoreline of the Lagoon - Adam Lundie - Eatons Hill Observatory

On the Shoreline of the Lagoon

09-Aug-2016
On the Shoreline of the Lagoon thumbnail
On the Shoreline of the Lagoon
Next to the Lagoon Nebula, there lies the often overlooked collection of absorption, reflection and emission nebulae: NGC 6559, IC 1274, IC 1275, IC 4684, IC 4685, Barnard 303, LDN 227, LDN 213, and planetary nebula PN M 1-41.

With annotations:
NGC6559 annotations

Image:

  • 34x 600s Luminance bin1x1 + 15 flat + 50x dark + 120x bias
  • 12x 300s Red bin2x2 + 12 flat + 50x dark + 120x bias
  • 10x 300s Green bin2x2 + 12 flat + 50x dark + 120x bias
  • 8x 300s Blue bin2x2 + 12 flat + 50x dark + 120x bias

Total exposure 8 hours 10 minutes.

Hardware:

  • Skywatcher Black Diamond ED120
  • SkyWatcher EQ8 Pro Mount
  • QSI 683-ws8 Camera @ -15C
  • Astronomik Typ 2c LRGB
  • Starlight Xpress Lodestar X2 Autoguider
  • 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 9
  • Captured with AstroArt 6
  • Guiding with PHD2 + PHD_Dither
  • FocusLock live focusing
  • CCDInspector: Image analysis & rejection
  • CCDStack 2+: Calibrate, align, stack, deconvolution, combine RGB.
  • Photoshop CC: Merge Lum+Ha as luminance, curves, high pass filter, merge HaL+RGB, minimum filter, color adjustment, saturation.

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