Good image, that camera and scope seem to be a good match.

is 7.3 the native focal ratio for the TOA 150?

On Mon, 08 Nov 2010 19:24:03 -0500, Robert Price
wrote:

I was not able to get more exposures before the clouds moved it.
Seeing was good, total exposure was 23.5 minutes. M31 on 7 September
2010 from a farm just south of Blueknob state park, PA. TOA150 at
F/7.3. STL11000M, 2x10 min L, 1x3.5 min L. Full frame, no reduced.