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observing aids

Title Posted By Updated/commented date Typesort icon
Visual Observing Manual - Persian BSJ 1 year 32 weeks ago Page
Mentor Program SXN 47 weeks 1 day ago Page
Computing the JD or UT BSJ 5 years 7 weeks ago Page
2012 JD Calendar BSJ 4 years 7 weeks ago Page
Obtaining your PEP epsilon(V) coefficient Anonymous 37 weeks 4 days ago Page
CCD Views June 2001 Aaron Price 48 weeks 4 days ago Page
The AAVSO DSLR Observing Manual in Greek BSJ 14 weeks 1 day ago Page
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