*** ARE YOU READY FOR THIS ****
When I bought my 1600 MM-c The source did not have a ZWO POWER SUPPLY in stock.... They sold me a BRAND-X power supply .... it's specs seem like it should do the job.....
Since this AMP GLOW was just impossible to process out.... It kept telling me that something was NOT STABLE.... Either my camera had a major problem ... or something else was unstable .... I bought the ZWO power supply ..... swapped out the BRAND-X power supply ..... and just processed the past week's images to find..... to my delight .... that the AMP GLOW NOISE WAS GONE.... it is now all processed out !!!!
Thanks to Sam and all of the ZWO folk for their suggestions and ideas on this..... but the BRAND-X power supply was really the cause of all my AMP GLOW woes !!! Brad Wallis
Sean and Sam suggested numerous potential solutions... swapping to USB 3.0 made a small improvement... changes to GAIN and OFFSET made virtually no change to the Amp Glow problem.
Since it could not be processed out it said to me that something was varying ... if that variance was internal to the camera I was basically out of luck.... I bought a second 1600 MM-c and it had a ZWO power supply ... The ZWO power supply was a much larger unit than my BRAND-X power supply ... My GUESS was that MAYBE the ZWO power supply was better and maybe more stable than the BRAND-X power supply .... At this point I was ready to dump the ZWO 1600 MM-c and go to a QHY CCD system. My LAST STRAW effort was to swap out the BRAND-X power supply for the ZWO power supply. I obtained an images sequence in Ha with the ZWO power supply and for the first time in 6+ months I had an final image that had ZERO Amp Glow... In the past 2 weeks I have obtained 2 other long images sequences that again show no Amp Glow. Of all the various and numerous possible solutions suggested and tested this is the ONLY one that finally eliminated ALL of the Amp Glow.
In the past 2 weeks I have gone from being certain that the ZWO 1600 MM-c was really not ready for prime time and that the CMOS systems were not going to work for my imaging needs to finally really being thrilled with the ZWO 1600 MM-c ..... and swapping out the BRAND-X power supply for the ZWO power supply was the swap that made all the difference in eliminating the Amp Glow problem...
I really posted this for the ZWO folk to close out this issue.. If the ZWO power supply had been available when I made my initial purchase I would have never seen the Amp Glow problem and would have been a happy 1600 MM-c owner from day one. Perhaps Sam and Sean can add info to this and explain why an obviously inferior power supply can severely degrade the performance of the 1600 MM-c