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Old 07-09-2023, 07:16 AM
JA
.....

JA is offline
 
Join Date: Oct 2016
Location: Melbourne, Australia
Posts: 2,979
Hi Mark,

The uneven illumination shown in your flat image could be due to some misalignment of an internal light baffle in the telescope coupled with an image circle that is close to the margins of the sensor.

Best
JA
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