An f/5.5, 80mm ED refractor was mounted on a Celestron AVX mount. A
ZWOASI 120MC camera was placed at the prime focus and Nicola Mackin's AstroDMx Capture
for Linux was used to capture 50 x 25s exposures of M17 as Tiff files,
with matching dark-frames. The images were calibrated and stacked in
Deep Sky Stacker running in Wine in a Linux Mint Laptop. The final image
was processed in The Gimp 2.9, Neat image and deLaboratory.
30 x 30s exposures were captured of M57 with matching dark-frames. The
images were calibrated and stacked in Deep Sky Stacker running in Wine.
The final image was processed in The Gimp 2.9 and Neat image.
AstroDMx Capture for Linux can be downloaded at
Software download.