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Thanks, heaps, guys!
I'm still working on it.
I believe I've resolved the severe issues in the red channel (I could go into detail, but, suffice to say, shooting multiple panels across multiple months is bound to give you grief). I'm learning so much about the power of PixInsight as I've been working on this. I'm being an absolute stickler and viewing the image at 1:1 resolution, and, anywhere I find a disjointed seam or overlapping partial stars causing issues with the GradientMergeMosaic module, I fix up the offending star/panel and then go about merging again.
I think I've come up with a bulletproof method for building distortion-free mosaics now, and, I just can't wait to have it complete.
Green channel completed last night.
Greg, I take care and give sufficient overlap to avoid the dreaded Vs. I made a mistake recently on a four panel mosaic of the SMC and had to shoot again with a greater overlap. I believe the closer you are to the pole, the greater the overlap needs to be. When shooting east/west, you can get away with about 5% overlap. I shoot 7.5-10% as a minimum, though. An instrument rotator would be handy. I've got a Tak-o-meter, but, just need to find time to install it and get a third RoboFocus motor.
H
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