I just need to mention Bob that the spacers are only around the edge of the corrector, not between the corrector glass plate and the corrector holding part (which is attached to the OTA). The ring that goes on the front of the corrector plate to hold it in place, I haven't done the screws up tight, enough to hold the corrector plate in place firmly.
I didn't want to clean the primary but after using the can of air and then touching it twice with my finger knuckle now warrants a proper clean. It's the primary that has the Star Bright coating on as well so something else to be extra cautious of. I'm not looking forward to doing it. Micro scratches is a bad word, fingers crossed.
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