Peter Natscher wrote:
> Question: At last year's SSP, did many of low-lying Dob's mirrors
> remain clean enough to use effectively for the full 4-5 nights of
> observing there?
Mine did, but I packed it into my vehicle each night. It still has
Shingletown dust on it. And LSA dust.
I did not hear any complaints while I was there.
> I think I'm bringing my Desert Storm Shield to cover the 20"er.
Yes, that is a good idea.