Currently I fly for Delta Airlines, which is why I could not attend the star party as I was called out for a flight. Richard has done some astrophotography in the past and is telescope shopping now. We look forward to having Richard at the meetings and star parties. Here's to a rapid recovery, Rod. I thought this might be something of interest to the group.
Various books explain how to make one.
They are generally used for planetary observing and they appear to clean up the view a bit. The masks are great for Jupiter, Saturn, Venus and Mercury. They kill off glare and give better contrast, especially on the details of Jupiter. Also good for some double stars. They are easy to make and will fit right on the front of your scope with Velcro.