New high-resolution 8-frames(+1 for center) mosaic. 50Mpix original size. 2.8" stars FWHM, but here in flickr is very down-scaled version.
50% (10Mb) version you can see here:
Canon 350Da (baader IR-cut filter mod)
NPZ TAL-250K (Klevtsov's system) telescope (10", 1:8.5, 1:6 with special NPZ 0.7x reducer-flattener MkII).
EQ6 PRO Syn Scan mount, guided with 75mm refractor and QHY-6 ccd.
Sub-urban area, 10km off 300k city (visual ~6.0m sky)
11.5 hours of expositions for 8 frames, by 10 min subexpositions and 15x60sec for bright centers of M31 & M32
HDR composition for bright core details revealing.
Software: Iris, FIT's Stacker Photoshop.