Pinwheel Galaxy (M101)

Location: Tai Au Mum (8-2-2016)
Nikon D5300, Vixen ED80sf + Reducer/field flattner, Vixen GP2
20 x 3 min @ iso 1600, LPS D-1
QHY5II L Raspberry PI2 + Lin Guider
Dark, Bias and Flat frames
DSS + PS

Leo Triplet (M65, M66 & NGC 3628)

Location: Tai Au Mum (8-2-2016)
Nikon D5300, Vixen ED80sf + Reducer/field flattner, Vixen GP2
13 x 5 min @ iso 1600, LPS D-1
QHY5II L Raspberry PI2 + Lin Guider
Dark, Bias and Flat frames
DSS + PS

M101

M101

Leo-Triplet

Leo Triplet

Reprocess using PixInsight and PhotoShop: