Pickerings Triangle Wisps like this are all that remain visible of a Milky Way star. This is a large supernova remnant, an expanding cloud of shocked gas from the explosion of a massive star. Light from the original supernova explosion reached Earth over 7500 years ago. This is part of the western section of the veil nebula complex. The distance is approximately about 1,470 light-years.
Ha 340 min
Scope Planewave 17in
Camera Apogee U16
Mount Paramount ME
Filters Astrodon Ha5nm OIII3nm SII5nm
Exposures Ha 5.6hrs OIII 5.3hrs SII 5.3hrs 20min subs Total 16hrs