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observing aids

Title Posted By Updated/commented date Typesort icon
CCD Views June 2001 Aaron Price 3 years 11 weeks ago Page
Program stars in need of observation Matthew Templeton 5 weeks 1 day ago Page
Visual Observing Manual - Polish BSJ 42 weeks 6 days ago Page
AAVSO Bulletin 74 for 2011 weo 2 years 28 weeks ago Page
AAVSO 49 Bay State Rd. Cambridge, MA 02138 aavso@aavso.org 617-354-0484