Astrophotography by Rex A Parker PhD from New Jersey USA (home astronomy observatory); or from Cerro Tololo Chile (Star Shadows Remote Observatory, CTIO, PROMPT2/UNC-Chapel Hill); or Mt Lemmon Sky Cntr, AZ USA (thanks to A Block).
Astrophotography by Rex A Parker PhD from New Jersey USA (home astronomy observatory); or from Cerro Tololo Chile (Star Shadows Remote Observatory, CTIO, PROMPT2/UNC-Chapel Hill); or Mt Lemmon Sky Cntr, AZ USA (thanks to A Block).