Twin Quasar
Date: April 30, 2011
Location: Dominion Astrophysical Observatory, Victoria, BC
Equipment: Plasket 1.8m with E2V operating at -110 deg C.
Exposure: 3 x 60 sec with r,v & b filters.
Processing: Flats applied at Plaskett. Final processing with ImagePlus and Photoshop.
The Twin Quasar Q0957+561 (the two dots bottom-center) are the two components of a double-imaged quasar created by gravitational lensing. The quasar is located at 7 800 000 000 light years away and shine at a bright magnitude of 16,7.