Quote:
Originally Posted by pmrid
Any suggestion about how to avoid that traffic-light effect in the bright stars welcome.
Peter
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Using a Star Mask in PI to protect the stars prior to stretching and other processing would help. It is also possible to create a star mask in Photoshop but I can't recall the tool to do this automatically for all stars. I maybe feasible to select all of the bright stars though with the magic wand tool and use the selection to create a layer mask. In any case, it is also important to feather the mask to avoid harsh boarders between the star and the surrounding halos/nebulosity.