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observing aids

Title Posted By Updated/commented date Typesort icon
Computing the JD or UT BSJ 4 years 11 weeks ago Page
2012 JD Calendar BSJ 3 years 10 weeks ago Page
Obtaining your PEP epsilon(V) coefficient Matthew Templeton 3 years 14 weeks ago Page
CCD Views June 2001 Aaron Price 8 hours 45 min ago Page
AAVSO Bulletin Matthew Templeton 1 year 21 weeks ago Forum topic
AAVSO 49 Bay State Rd. Cambridge, MA 02138 617-354-0484