At the next clear evening I resolved to try some different settings with the guiding software. The presence of a bright moon limited choices for a target so I decided to go for the open cluster M 52. ....With my experimenting I amassed a large number of subs of which I selected the best dozen. Probably a bit over the top for the subject but better that way than too few. Details: 10" F4.3 Newt. 12x 4 minute exposures @ iso400 with CLS in DSS & CS2.