backyard classical cassegrain action

by Richard Crisp

http://www.narrowbandimaging.com/m16_mk1sn2_cm10_ha_page.htm

this was shot with the 18" f/12.6 classical cassegrain focal reduced to about f/7.1

I'm still working on a few mechanical and alignment issues but it is getting close and when the seeing is good it really gets more interesting