Search found 4 matches

by johnc3457
Tue Aug 07, 2018 5:02 pm
Forum: Cameras
Topic: Any fix for amp glow ASI183MC
Replies: 17
Views: 6849

Re: Any fix for amp glow ASI183MC

Working on the calibration has helped a lot also limiting exposures to 120 seconds. Attached file is of M8 taken from high light pollution skies in downtown El Paso TX, I'm not sure what Bayer pattern is in use but with my old camera all of the Ha areas of the nebula were red, is the chip setup for ...
by johnc3457
Sun Jul 22, 2018 7:38 pm
Forum: Cameras
Topic: Any fix for amp glow ASI183MC
Replies: 17
Views: 6849

Re: Any fix for amp glow ASI183MC

ampglow frame 3.jpg
Attached file is cooled to -40 this reduced the normal noise but the amp glow at the right is very hard to remove even with dark frames. This was a 300 second exposure of M51 un stretched and with no preprocessing.
by johnc3457
Sun Jul 22, 2018 6:01 pm
Forum: Cameras
Topic: Any fix for amp glow ASI183MC
Replies: 17
Views: 6849

Re: Any fix for amp glow ASI183MC

The camera is cooled and I still get the amp glow on the right side all read noise is usually taken care of by the cooling but amp glow is still present
by johnc3457
Tue Jun 19, 2018 10:08 pm
Forum: Cameras
Topic: Any fix for amp glow ASI183MC
Replies: 17
Views: 6849

Any fix for amp glow ASI183MC

Still dealing with the amp glow problem is there any work around, subtracting dark frames does clean it up some but still leaves some problemsImage