Borg 77EDII Astrograph

Borg 77EDII astrograph with SBIG STL-11000M on Losmandy G11 mount
with Vixen 70s guidescope. The Borg 77ED offers a spectacular wide angle of
the heavens (8 degrees!). The down side is it produces horrible coma and
has terrible field curvature. It is an instrument with a mixture of
strong pluses and minuses in performance.