Blazing Moon last night so I spent a little time getting a good focus on the 200mm lens and then imaged both the Zosma region (with the Leo II dwarf galaxy) and the Virgo/Coma galaxy cluster region. This was done with a 62mm UV/IR cut filter on the front of the 72mm diameter lens and the lens wide open at f#1.8. The front aperture did not stop the lens down far enough to get good quality stars right into the corners – but the result isn’t bad at all. Next outing I will check out the star quality using a 52mm diameter UV/IR cut filter.
