[kosh]

Hi all,

I managed to get some decent subs of M83 the other night. There appears to be issues with either, coma, focuser sag, collimation, i don't know. My CCD chip is only small so the coma is rather surprising. I'm at a bit of a loss really.

Any feedback appreciated.

10x 6min Lum, 10x 3min R,B,G binned 2x2, 8" newt F4 on a neq6 mount, guided.

Thanks for looking.