K. H. Williamson · Retired geophysicist. Interests include bird photography, astrophotography, tennis and music.

Birds gear · Nikon Z8; Nikon Z 400mm f/4.5 with Z TC-1.4x teleconverter

Astro gear · Redcat 51 WIFD (51mm, f/4.9, 250mm); QHY miniCAM8 mono cooled camera; LRGB and 3nm Ha, OIII, SII filters; Star Adventurer GTi mount; ZWO ASI120MM Mini on a ZWO 30mm f/5 guide scope; MeLE Quieter 4 mini PC running NINA, PHD2, Stellarium and GSServer