m39 m13

Giving up on the filter drawer. It just adds weight and tilt to my already inadequate focusers.

Here we are at the wrong backfocus with the GPU-cc at 57.5mm. Should be 55mm. Fat stars and full moon.

globular cluster m13 in hercules
veTEC5712 on gso203    60x4min @ hcg100

open cluster m39 in cygnus
veTEC671 on gso203    24x4min @ hcg100