[Bearny]

Thank you again for your responses.
To make my set-up: I have an RC GSO 8 "Celestron C8, Astro Tech 80 ED.
Atik 314L, Canon300D Without filter
Guiding for Kepler 80/400, 70/700 SW; CCD PL1
EQ6 GoTo, EQMOD, Guidemaster

I am 61 years very old!