This is deeper than I usually go with my f4.5 systems. 18" f4.5 Newtonian with SBIG ST-2000XM ccd camera. 60/30/30/30 minutes LRGB binned 1x1 in 5 minute subs. Data taken over 2 months. I may have to get a narrowband set to get deeper.
Half sized image.
Joe.
Half sized image.
Joe.
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