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observing aids

Titlesort icon Posted By Updated/commented date Type
Visual Observing Manual - Polish BSJ 2 years 23 weeks ago Page
Visual Observing Manual - Portuguese BSJ 2 years 23 weeks ago Page
Visual Observing Manual - Spanish BSJ 2 years 17 weeks ago Page
Visual Observing Manual - Turkish BSJ 2 years 23 weeks ago Page
Visual Observing Manual in Persian BSJ 4 years 10 weeks ago Page
Visually observed stars known to be constant or not measurably variable Matthew Templeton 3 years 8 weeks ago Page
VLF Station List Matthew Templeton 5 years 40 weeks ago Page
WebObs willmcmain 1 year 49 weeks ago Page
AAVSO 49 Bay State Rd. Cambridge, MA 02138 aavso@aavso.org 617-354-0484