All I managed the other night was 8 frames before I gave up with the guiding only two out of the 8 where worth keeping and then they were not aligned when stacked in DSS so thats why the crop, the rest of the subs looked like double stars or trails
Teach me to leave the mount unattended
This was the second object I tried for the evening similar problem guiding on the M87 as well of which I got 3 reasonable frames of although object is to dim to do anything worthwhile with the data collected
So I threw in the towel for the night

and drowned my sorrows

before hitting the hay
Still it's surprising what you can get in twenty minutes (excuse the noise no darks or flats where used in the making of picture)