In 2018 I bought my SX694 to give me a bit more F.O.V., slightly smaller pixels and higher Q.E. compared to my Starlight Xpress SXVF-H9. Some of the data I had acquired with the newer camera was never processed until recently. It's still a work in progress but I'll post some of the images here as I work through them.
One of the issues I had using the newer camera was the presence of a circular gradient I could never correct with flat fields therefore not allowing me to fully stretch the data to my liking. This gradient was not apparent in my H9 images due to the smaller field with the AT10RC. Only a few years ago did I find, by chance, this issue was caused by the baffle tube being a bit too short allowing light from the telescope aperture to hit the inside of the baffle creating the rings. All my images from 2011 till mid-2022 with the AT10RC were taken without the baffle extension.
The extension was purchased from here. https://buckeyestargazer.net/Store/GSOBaffleEXT.php
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| Flat W/O Baffle |
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| Flat W/Baffle |
With some newer tools available in Astroart, I'm revisiting these older stacks to see what I can salvage for display.
