Managed to get more data. Canon 300mm f2.8 at f/5. Hutech LPR filter. Fridge at -10C.
Older image all at 400 ISO.
20x2m,20x4m and 6x8m.
New image
20x2m, 20x4m, 21x8m and 4x16m. Cloud still a problem.
Processed at native camera resolution. An improvement but still needs more data.
Full resolution image 12MB
http://d1355990.i49.quadrahosting.co...6/coraust2.jpg
Bert