If your seeing will let you have a go at trying it using the NexImager and barlow on the laptop (or leave the barlow out if it's too much).
In some situations I've found that its' helpful, if for nothing else than keeping the star in the center of your imaging train. If the star image is out near an edge using an eyepiece then curvature can affect what you see and the position of the diffraction rings.
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