Quote:
Originally Posted by casstony
Once you have the scope collimated and cooled, a safer way to assess it is to count how many craterlets you can see on the floor of Plato or look for the e and f stars in the Trapezium - you need stable seeing for these tests.
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I look for Plato's craterlets every month or so but never see them (always see e and f in the Trapezium). Is there a secret to spotting the craterlets? I'm assuming you bag them on day 8.5 or so of the lunar cycle, but no luck. I guess with the moon quite low and it's still turbulent in the early-ish evening doesn't help!