After_35083Ai80.jpg

The 2nd photo is lighter only because the sky clouded up in between the two shots. I looked for the lightest area of sky for the photo in hopes that any remaining dust would show up better. I was very surprised at the level of success of my first cleaning attempt.

Thank you, Nicholas!! For a wonderfully detailed tutorial for sensor cleaning, or to obtain the needed supplies, check out Nicholas' web page here http://www.pbase.com/copperhill/ccd_cleaning