Hi Si,
I have a very similar setup to yours (Celestron 8" OTA)
What time did you take the image or alternatively what degree was Jupiter up at in the sky?
I finally managed to get some time with Jupiter the other night, cloud rolled in and out and the highest I captured at was 42 degrees (23.59GMT) Generally it was clear though a near full moon may not have helped...
At the moment I am still processing but initial indications are a little disappointing, its no better than my previous cameras efforts. I know what the camera can do as I have seem yours and other images on this forum.
I know imaging lower down reduces the quality of the image so just wondered. Looks like the max height for Jupiter is around 53 degrees at the moment so not a significant difference.
Anyway here is my effort…
