M27 (R, G, B) = (Ha, (Ha+OIII)/2, OIII)
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Equipment:
- Telescope : 203mm TMB APO at F7.2
- Camera : QSI 583ws
- Color Components : AstroDon : 3nm H-alpha and OIII, 16 x 15 minutes each.
- Mount : AP 1200 GTO
- Camera Control : ImagesPlus 4.0 auto initial focus. Auto focus shift tracking and correction during Ha image capture.
- Guiding : Starfish with Tak 60C and PHD.
- Processing : ImagesPlus 4.25 x64 - auto calibrate & stack, HDR stretch, micro curves, wavelet feathered background smooth & sharpen nebula only.
- Image Data : 10/24/2010
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