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Didn't I sell you a GSO reducer a while back? I thought I had one once anyway, and I don't have it now.
I've been having a further play with the lathe and the MPCC and have turned off a ring/collar thingy that fits very closely around the MPCC - it's only 3mm wide though so it acts as a flat plate against which the imaging train can sit securely so I don't have to worry about how badly those 3 compression ring screws throw the MPCC out of orthogonality.
It was just too darned hot today to open up the obs and I see outside that there is a wet ring around the moon so I'm guessing it'll be a day or 2 before I get to test it out.
Peter
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