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Hi At first glance, Looking at this single image it’s not at all bad as it is, maybe try just a tweak later but it’s not far off.
There’s a link here to the DSI process for Collimation which helps makes sense of things if you want to tweak.
http://www.deepskyinstruments.com/truerc/docs/DSI_Collimation_Procedure_Ver_1.0.p df
What camera did you use for this? You can also try pointing towards the core of the Milky Way and do a longer exposure to get stars across the FOV as well.
Welcome by the way
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