I agree with Denis. I got all › Forums › Comets › Unidentified moving object in field of C/2019Y4 (ATLAS) › I agree with Denis. I got all 23 March 2020 at 12:33 pm #582131 David SwanParticipant I agree with Denis. I got all sorts of artifacts like this with Hyperstar imaging until I got the right filter. Also, I’ve done a 30arcmin MPCChecker job and there wasn’t anything around.
