Finally fixed the problem of round stars on long exposures. 6 X 600sec 8inch RC Astrograph and SXVR-H18 at -20degC
Monochrome Horsehead in Orion – Round Stars (Yes!!!)
Astrojohn
The sky is not the limit!
Finally fixed the problem of round stars on long exposures. 6 X 600sec 8inch RC Astrograph and SXVR-H18 at -20degC