Astrophotography 2017-2020
My second generation of astrophotography images, mostly using specialized astrophotogrpahy software such as PixInsight.
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Lunar Eclipse of January 21, 2019
Taken by David Lim & me using his 150 mm refractor at about a 900 mm focal length & my Nikon D850 at ISO 1600 & 2 seconds. Effective focal ratio was about f/7.
