This is the same issue that I was having before. My previous posts show the images and this was just an updated version.
Doug, I get the same bright donut when I shoot a galaxy. I tried posting the link to my previous post but it didn't work. If you look a few...
I have a very frustrating issue with my new STT-8300. Donuts on the screen that I THINK are coming from the CCD cooling. I have eliminated the...
Thanks I'll give it a try.
Yes, the O ring was removed and reset after baking. I tested the camera last night with the same results. Tonight the camera is coming off for...
It was taken with filters. It didn't matter which filter I used luminance, red, green, blue or hydrogen Alpha. The results were all the same. For...
I did turn the cooler off and I did notice that the donut went away for the most part. I guess the only question I would have after that is...
I'm still getting the strange donut on my images of the STT-8300 with the SG filter wheel and AO8. The scope is an Astrotech 10"RC. The scope is...
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