First post! Whee!
I know there are better ways to approach this. But I have a 6" Dob I built about 20 years ago that I'd like to pull out for tomorrow. I bought some shade 14 welder's glass and cobbled together what amounts to a moon filter made from paper coated foam board with a 3" hole covered by the glass. I plan to use an eyepiece that is about 25mm (been so long, I forget). Not that I expect this to work particularly well, but it should at least be safe, right? Thanks for reading and any responses.
Pete