Made two stands this morning between 1am-4am and within 10minutes I called a Bobcat in at 25yds. Took a shot (tripod), missed, and it ran off into the brush. Waited 20minutes and started calling and the bobcat reappeared at 75yards....shot and missed.....WTF! Went to my second stand. Started calling on a pipeline and two coyotes popped out of the brush within 30yards and shot and missed. Not sure what’s going, but I decided to go home. I’ve missed before, but I’m 90% sure it was not me. However, Going to the range later to verify that the thermal is still zeroed at 50yards (6.8 SPC). I zeroed in Nov and tonight was the first night I’ve been able to go. Can’t ask for a better calling night (calm, wind in my face, etc) other than connecting on each shot which I typically do from 15-200 yards. Anyway, Other than the possibilities of it being me; any issues with Pulsar and/or other thermal units loosing zero ? FYI- The unit is not loose and I was on the right zero. However, when I opened the stream vision app to watch the videos, I received a prompt that there is a firmware update for bug fixes, etc.