Contains:  Solar system body or event
Clavius, Ernie Mastroianni

Clavius

Clavius, Ernie Mastroianni

Clavius

Equipment

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Description

I formerly owned a 10" Newtonian with an excellent  f/6.9 mirror (made and signed by Richard Fagin) which tested to better than 1/15 wave. I purchased it second-hand from a California-based amateur. It was a one-off, non-branded telescope, I assumed it was home-crafted with commercial parts. I sold it many years ago, but it was quite sharp, and needed just a 1.5" secondary, so it also had high contrast. This image of Clavius was taken with that scope under steady seeing, using eyepiece projection and an Imaging Source firewire camera in 2010.

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Clavius, Ernie Mastroianni