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observing aids

Title Posted Bysort icon Updated/commented date Type
Visual Observing Manual - Persian BSJ 1 year 5 days ago Page
Visual Observing Manual BSJ 1 year 5 days ago Page
CCD Views June 2001 Aaron Price 17 weeks 10 hours ago Page
Obtaining your PEP epsilon(V) coefficient Anonymous 6 weeks 13 hours ago Page
The Photoelectric Photometry (PEP) Observing Program of the AAVSO: An Introduction Anonymous 6 weeks 13 hours ago Page
AAVSO 49 Bay State Rd. Cambridge, MA 02138 aavso@aavso.org 617-354-0484