Details.
Canon 5DH, Canon 300mm F2.8L at f/3.5 with exterior aperture and lens hood extension. Hutech LPR filter.
Exposures dithered 20 X ( 15s, 30s, 60s and 120s ) at 1600 ISO. Stacked upsized X1.6. Usual HDR method. Fridge at -8.0C
Large Image at native pixel size 7.0 X 4.6 degrees. 5.6 MB
http://d1355990.i49.quadrahosting.co.../s&e_4k_10.jpg
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