Two words. Arctic Butterfly!! Works an absolute treat, no chance of getting can air propellant on your chip, no chance of pressing too hard and easy as to use.
http://www.iceinspace.com.au/forum/s...757#post311757
Plus you can use is on all your other CCDs
The safest way though it to just take flat fields to remove them from your images, it's the safest way and you don't have to touch your chip surface
