BEHIND THE IMAGE
Notes from the session
The Lagoon Nebula is estimated to be between 4,000-6,000 light years from the Earth.
Image as originally processed on 14-Jun-2015:
Reprocessed Image:
14x 120s bayer + 3x dark + 12x bias
Total exposure time: 28 minutes.
Hardware:
Celestron EdgeHD 1100 with CGEM DX mount
Canon 5D mark III
Orion StarShoot Autoguider
Orion Short Tube 80 guidescope
Location:
Orange zone in Brisbane, Australia. (Bortle 7)
Software:
Captured with Canon EOS Utility
Guiding with PHD
CCDInspector: Image analysis & rejection
CCDStack 2+: De-bayer to LRGB, calibrate, align, normalize, stack, DDP, combine RGB.
Astra Image 4.0: Deconvolution
Photoshop CC: Create and apply synthetic flat field, reduce noise, shrink stars, high pass filter, integrate L+RGB, color balance, contrast.
Image as originally processed on 14-Jun-2015:
Reprocessed Image:
14x 120s bayer + 3x dark + 12x bias
Total exposure time: 28 minutes.
Hardware:
Celestron EdgeHD 1100 with CGEM DX mount
Canon 5D mark III
Orion StarShoot Autoguider
Orion Short Tube 80 guidescope
Location:
Orange zone in Brisbane, Australia. (Bortle 7)
Software:
Captured with Canon EOS Utility
Guiding with PHD
CCDInspector: Image analysis & rejection
CCDStack 2+: De-bayer to LRGB, calibrate, align, normalize, stack, DDP, combine RGB.
Astra Image 4.0: Deconvolution
Photoshop CC: Create and apply synthetic flat field, reduce noise, shrink stars, high pass filter, integrate L+RGB, color balance, contrast.