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observing aids

Title Posted By Updated/commented datesort icon Type
Visual Observing Manual BSJ 36 weeks 16 hours ago Page
Julian Date (JD) Calculator and Calendars BSJ 12 weeks 1 day ago Page
Program stars in need of observation Matthew Templeton 11 weeks 1 day ago Page
AAVSO Bulletin 78 for 2015 Matthew Templeton 6 days 5 hours ago Page
CCD Views June 2001 Aaron Price 1 day 10 hours ago Page
AAVSO 49 Bay State Rd. Cambridge, MA 02138 617-354-0484