Ethernet over mains and imaging with AstroDMx Capture for Linux and a Canon EOS 4000D

A motor-focuser-adapted Bresser Messier AR 102xs f/4.5 ED refractor was mounted on the HEQ5 Synscan GOTO mount in the observatory. Using a 2" adapter, fitted with a light-pollution filter, a Canon 4000D DSLR was placed at the prime focus of the refractor. The DSLR was USB tethered to the observatory Ubuntu laptop.

30 x 90s exposures at ISO 6400 were captured of M31 with matching dark-frames and 22 x 90s exposures were captured of NGC7798, Caroline Herschel's White Rose cluster in Casseopeia.
The camera RAW images were stacked in Deep Sky Stacker and post processed in the Gimp 2.10.

The Andromeda galaxy

NGC7798, Caroline Herschel's White Rose cluster

Full details of the Ethernet over mains imaging experiment can be found HERE

Steve Wainwright and Nicola Mackin