This powerpoint presentation has been converted to PDF files with imbedded movie clips. It is not narrated at this time. Because of the file sizes I have broken them down into four different files. There are presentation notes at the top left that you can click on and you must click on the movie clips to get them started. Click on the links below to download the presentation.

 6 Filter Filter - File One

 6 Filter Filter - File Two

 6 Filter Filter - File Three

 6 Filter Filter - File Four

 www.imagingdeepsky.com