Guan Sheng 8-inch
Canon EOS 80D
5-Lights at 8 minutes 50 seconds, ISO 1250 total data window
No filters
Thanks Joe. I have an autoguider but I don't use it. I use the internal PPEC tracking in the mount and let 'er rip. If I'm super polar-aligned I can usually get about 3 minutes of pretty decent tracking with a frame waste rate of about 30 to 40% from night to night and depending on how extreme the angle of the tube is even if both axis are balanced correctly. Sometimes I have to pre-load the
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