Hello. I recently bought an ASI2600MC Pro over the New Year. Before that, I had a 294MC Pro. I said this for background purposes. I also bought an Askar SQA55. The first model I got had strange crosses over the stars. Askar sent me a new SQA55. The flat frames in question are from this new marriage; the still quite new 2600MC that produced "regular" flats and a brand-new SQA55. As you can see, the flats are now a consistent croissant shape. Regardless of Flat Panel or Sky Flat process, or gain, temp, filter presence or not, i get these same shapes. Anyone have experience with this? Again, the 2600MC is only a few months old, but has been proven good with the last OTA. This is several nights of effort with "First Light" with this OTA. In my experience this is a sensor or software problem, not an OTA issue, right? Thoughts? Thank you-
