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David, can I ask how often you observe? I can recall many nights in the first couple of years ownership of my AP 130EDT F8 (a similar scope to yours) that I would get frustrated as none of my targets would show up well in the scope. I would say to myself this scope is useless! I soon learned that it was the seeing and transparency, not the scope that was the problem. E & F trapezium were easy for this scope on the right night. I recall one night at Ilford where I picked up E & F well before the end of twilight. So maybe you have not struck those good conditions yet?
I also concur with Casstony 225X is too much. Get the magnification around 120X to 150X for best results.
I do wonder whether our age greatly affects what we see in the eyepiece. At 60 I don't need glasses to look through a scope, but do to read the charts or see distance clearly, and I can repeat most all the observations I made 20 years ago in the right conditions.
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