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observing aids

Title Posted By Updated/commented datesort icon Type
WebObs willmcmain 18 weeks 5 days ago Page
Visual Observing Manual - Persian BSJ 14 weeks 1 hour ago Page
Visual Observing Manual BSJ 14 weeks 1 hour ago Page
Program stars in need of observation Matthew Templeton 7 weeks 21 hours ago Page
AAVSO 49 Bay State Rd. Cambridge, MA 02138 aavso@aavso.org 617-354-0484