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observing aids

Title Posted By Updated/commented date Typesort icon
Visual Observing Manual in Persian BSJ 3 years 13 weeks ago Page
The Photoelectric Photometry (PEP) Observing Program of the AAVSO: An Introduction Anonymous 5 days 9 hours ago Page
Useful links for new solar observers Matthew Templeton 2 years 32 weeks ago Page
Charts and Sequences Update January 2012 SXN 3 years 16 weeks ago Page
AAVSO Bulletin Matthew Templeton 1 year 32 weeks ago Forum topic
AAVSO 49 Bay State Rd. Cambridge, MA 02138 aavso@aavso.org 617-354-0484