Re: First light with Mach1 - a query

Eric Dreher

I use a similar procedure with my Mach1. Two nights ago seeing was pretty good with RMS at 0.31” and dips into the high 0.2x” range.

I experimented a bit with PEM on and off, with a difference so slight it almost wasn’t worth the bother. My native PE without correction is 3.15” pk-pk. Just a fantastic mount.

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