uhb1966 Posted September 13, 2016 Share Posted September 13, 2016 (edited) Hello dear guys & girls, i am guiding with a 162 mm FL guide scope (aperture 50mm), an Orion SSAG, and PHD2. (My primary scope is an 800 mm f4 Newton). It looks like the best tracking i can manage (with decent polar alignment, but suboptimal seeing) is 1.5 arcsec error (but with peaks at 3.75 arcsec, see below). What is YOUR mileage? Looking forward to many great guide graphs Edited September 13, 2016 by uhb1966 Link to comment Share on other sites More sharing options...
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