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solar observing

Titlesort icon Posted By Updated/commented date Type
What are sunspots? Matthew Templeton 3 years 20 weeks ago Page
The Zurich Classification System of Sunspot Groups Matthew Templeton 4 years 1 week ago Page
The Gyrator III VLF Receiver Matthew Templeton 3 years 27 weeks ago Page
SunEntry - A sunspot data entry program BSJ 1 year 4 weeks ago Page
Solar News Matthew Templeton 2 years 22 weeks ago Page
Solar Bulletin Matthew Templeton 2 weeks 1 day ago Page
SID Database Matthew Templeton 2 weeks 1 day ago Page
Dances with Wolfs: A Short History of Sunspot Indices Matthew Templeton 1 year 17 weeks ago Page
Accuracy and Consistency in the Production of the American Sunspot Number (Ra) Matthew Templeton 1 year 35 weeks ago Page
AAVSO Sudden Ionospheric Disturbance Program Observers Matthew Templeton 44 weeks 6 hours ago Page
AAVSO Solar Section Update for 2013 Matthew Templeton 2 years 22 weeks ago Page
AAVSO 49 Bay State Rd. Cambridge, MA 02138 aavso@aavso.org 617-354-0484