Cyanotype-toned pinhole solargraph showing one prominent curved sun-trail arc over a dim silhouetted rooftop and railing, recorded over several months.

astrophotography / sun

Solargraph: Southern Arc

A single bright arc dominates this multi-month pinhole solargraph, tracing the sun's path across the southern sky from September to December 2020 above a dim rooftop silhouette.