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observing aids

Title Posted By Updated/commented date Typesort icon
AAVSO Bulletin 79 for 2016 weo 13 weeks 1 day ago Page
Julian Date (JD) Calculator and Calendars BSJ 25 weeks 3 days ago Page
AAVSO Bulletin Generator weo 13 weeks 1 day ago Page
AAVSO Bulletin 78 for 2015 Matthew Templeton 1 year 13 weeks ago Page
2011 JD Calendar BSJ 5 years 23 weeks ago Page
New Chinese Visual Observing Manual BSJ 3 years 24 weeks ago Page
Visual Observing Manual - Chinese BSJ 3 years 24 weeks ago Page
AAVSO Bulletin Matthew Templeton 2 years 33 weeks ago Forum topic
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