That is an awesome image Krishan, dig them white storms, grs junior & other details everywhere, ,
Re:
Quote:
Originally Posted by kkara4
Prior to the imaging session i used Metaguide / firecapture and a mag 3 star with RG610 filter for frankly easy in-focus airy disk examination in fair seeing. I was off by about 1/32 of a turn on two screws, maybe less. The difference was so shocking i nearly fell off my chair.
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Sorry if a silly question, but is this desciption to do with collimating the SCT, what the purpose of the airy disc in this application & what two screws were turned 1/32 turn ?
Thanx