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observing aids

Title Posted Bysort icon Updated/commented date Type
New Chinese Visual Observing Manual BSJ 2 years 19 weeks ago Page
Visual Observing Manual - Spanish BSJ 1 year 16 weeks ago Page
Visual Observing Manual in Persian BSJ 3 years 8 weeks ago Page
Frequency of Observations for Different Variable Star Types BSJ 4 years 46 weeks ago Page
CCD Views June 2001 Aaron Price 7 weeks 3 days ago Page
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