By Dr Ski | 2019-07-27
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On 07/27/2019 04:10 am by Dr Ski | Valencia Observatory
It's all about exposure.
Canon EOS M10, 90mm, f5. 6 refractor
Stopped down to f10 using 50mm aperture mask. To avoid chromatic aberrations?.
Prime focus at approx 16X
1/10s @ ISO1600
1/200s @ ISO1600
