Give me a lever long enough and a place to stand and I can move the Earth

— Archimedes 200 BC

nebulosity near Sadr (Cygnus)

By marzulloj at Sat, 11/12/2011 - 8:21am
nebulosity near Sadr (Cygnus)

Two hour h-alpha image of nebulosity near Sadr, the central star in Cygnus TOA-130 at F/7 and SXVH9 camera.