Tips & Tricks
Elongated Star Repair w/ PhotoShop
Run your mouse over the above
image to see the before and after images.
First, copy the image to a
new layer and set the blend mode to
Use your favorite tool to select the stars.
Then expand the
selection, to include some of the background around the stars, and
feather a bit. Try 5 for expansion and 2 for feather.
Use Ctrl-H to toggle off the "marching ants".
Now select the Move Tool
and use the arrow keys
to move the selection in the direction of the elongation one or two
Use Ctrl-H to toggle on the "marching
ants", deselect the stars, and flatten the image.
Finally, select the stars
again, without expanding the selection, and brighten the center of the
stars to match the original image.
Final Note: If a one pixel move is too much,
double the image size, fix the stars and then reduce the image back
to the original size.