Affiliation
American Association of Variable Star Observers (AAVSO)
Tue, 02/11/2020 - 06:20

I've tried for a few days to get to the CCD Photometry Guide (Observing Tab > Observing Manuals) but a "Page not found" is the result.  I use Microsoft Edge.  I also tried using Chrome--same result.

Thank you for any assistance.

Bob S