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observing aids

Title Posted By Updated/commented date Typesort icon
2012 JD Calendar BSJ 3 years 36 weeks ago Page
Mentor Program SXN 24 weeks 4 days ago Page
Obtaining your PEP epsilon(V) coefficient Anonymous 15 weeks 5 hours ago Page
CCD Views June 2001 Aaron Price 26 weeks 2 hours ago Page
AAVSO Bulletin Matthew Templeton 1 year 46 weeks ago Forum topic
AAVSO 49 Bay State Rd. Cambridge, MA 02138 aavso@aavso.org 617-354-0484