BEHIND THE IMAGE
Notes from the session
Image:
30x 480s luminance bin1x1 + 60x flat + 37x dark + 120x bias
8x 240s luminance bin1x1 + 60x flat + 37x dark + 120x bias
20x 300s red bin2x2 + 24x flat + 40x dark + 120x bias
10x 300s green bin2x2 + 24x flat + 40x dark + 120x bias
10x 300s blue bin2x2 + 24x flat + 40x dark + 120x bias
Total exposure time: 7 hours 52 minutes.
Hardware:
Celestron EdgeHD 1100 with CGEM DX mount
QSI 683-wsg Camera @ -15°C
Astronomik Type 2c LRGB filters
Orion StarShoot Autoguider
Starlight Xpress Adaptive Optics
Location:
Orange zone in Brisbane, Australia. (Bortle 7)
Good seeing + waning crescent 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: Denoise, upscale RGB.
Photoshop CC: Reduce noise, high pass filter, shrink stars, shadows/highlights, integrate L+RGB, color balance, contrast.
30x 480s luminance bin1x1 + 60x flat + 37x dark + 120x bias
8x 240s luminance bin1x1 + 60x flat + 37x dark + 120x bias
20x 300s red bin2x2 + 24x flat + 40x dark + 120x bias
10x 300s green bin2x2 + 24x flat + 40x dark + 120x bias
10x 300s blue bin2x2 + 24x flat + 40x dark + 120x bias
Total exposure time: 7 hours 52 minutes.
Hardware:
Celestron EdgeHD 1100 with CGEM DX mount
QSI 683-wsg Camera @ -15°C
Astronomik Type 2c LRGB filters
Orion StarShoot Autoguider
Starlight Xpress Adaptive Optics
Location:
Orange zone in Brisbane, Australia. (Bortle 7)
Good seeing + waning crescent 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: Denoise, upscale RGB.
Photoshop CC: Reduce noise, high pass filter, shrink stars, shadows/highlights, integrate L+RGB, color balance, contrast.