[gb44 (Glenn)]

While on the subject of M83 here is a pic with a different image scale.
Stack of calibrated 18x 20sec
f10 3000mm focal length
12inch Meade ACF
prime focus
unguided
ZWO 178 MC camera, bmp files
Slight edge crop done.

I just wanted to test the ZWO and check out the FOV compared to the DSLR, Canon 50d cropped likewise but slightly. Looks like the ZWO is worth going on with but for some reason ImagesPlus wouldnt batch process the bmp and said the darks had a different colour profile from the lights.
Plus I need another ZWO for guiding...

I wonder how an hour or two of 20sec exposures would workup to.

Thanks for looking.
GlennB