Simeis 147 is a very faint supernova remnant. It is HUGE. This field of view is 4x4 degrees and it still doesn't totally fit! At 3000 ly distant, it is estimated to be 150 ly across!br/ br/ Camera: Apogee U16M camera w Astrodon Gen II filtersbr/ Scope: Takahashi FSQ Refractor w Robofocusbr/ Mount: Paramount ME guided w ST-402 and eFinderbr/ Exposures: 16 x 15 min for H-Alphabr/ Image acquisition in CCDSoft5, TheSky6 and CCD-Commanderbr/ Calibration in Maxim; Levels, Curves in PS CS4br/ Location and Date: Lucknow, Ontario; September 2016