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Saturn - SPC900NC - unstable seeing - or poor focus @ play...
My first Saturn shot. SPC900NC.
Hard to get focus spot on with the single speed crayford focuser... and seeing was shocking, bubbling over the place (yes, I do cool the primary hours before, and continue to use the fan when not imaging, and collimation is spot on with Catseye).
Looking forward to a good night!
Logie.
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