Finally there was a clear view of the western sky after three days of clouds in eastern Pennsylvania. Found the comet with binoculars and used the treetops to give a point of reference for the lens. Absolutely incredible sight.

Taken with Nikon Z50
Sigma 100-400mm F5-6.3 DG OS @ 122mm with lens mount adaptor
2 sec. @ f5.3
ISO 2000
Long Exposure NR on
Self timer