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solar observing

Title Posted By Updated/commented datesort icon Type
Solar Bulletin Matthew Templeton 1 day 23 hours ago Page
SID Database Matthew Templeton 1 day 23 hours ago Page
SunEntry - A sunspot data entry program BSJ 11 weeks 1 day ago Page
Dances with Wolfs: A Short History of Sunspot Indices Matthew Templeton 24 weeks 17 hours ago Page
Accuracy and Consistency in the Production of the American Sunspot Number (Ra) Matthew Templeton 43 weeks 16 hours ago Page
AAVSO Solar Section Update for 2013 Matthew Templeton 1 year 29 weeks ago Page
Solar News Matthew Templeton 1 year 29 weeks ago Page
AAVSO Sudden Ionospheric Disturbance Program Observers Matthew Templeton 2 years 13 weeks ago Page
What are sunspots? Matthew Templeton 2 years 27 weeks ago Page
The Gyrator III VLF Receiver Matthew Templeton 2 years 34 weeks ago Page
The Zurich Classification System of Sunspot Groups Matthew Templeton 3 years 8 weeks ago Page
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