ngc6820hrgbc2.jpg (200 kbytes)


NGC6820 HaRGB actually (L+Ha)(R+Ha)GB


AP-130 at F/5.4 (700mm) and AP 600 GoTo Mount with STV on AP 80mmGuidescope
Exposure: 6 x 30 mins Custom Scientific Ha Filter using ST-10 CCD
Red = 3 x 6 mins, Green = 3 x 6 mins, Blue= 3 x 10 mins  CFW-8 & ST-10 CCD
Tracking: Average FWHM = 3 arcsec
Location: My Driveway (Huntertown, IN),   Moderate Light Pollution
Date: Sept 2001
Processing: CCDsoft5 and RoboFocus for acquistion
RegiStar for registration.  MaxIM and PhotoShop for processing
HaRGB Process (Details)

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