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solar observing

Title Posted Bysort icon Updated/commented date Type
SunEntry - A sunspot data entry program BSJ 8 weeks 6 hours ago Page
AAVSO Sudden Ionospheric Disturbance Program Observers Matthew Templeton 1 year 1 week ago Page
Dances with Wolfs: A Short History of Sunspot Indices Matthew Templeton 1 year 26 weeks ago Page
Solar Bulletin Matthew Templeton 3 weeks 23 hours ago Page
AAVSO Solar Section Update for 2013 Matthew Templeton 2 years 31 weeks ago Page
The Gyrator III VLF Receiver Matthew Templeton 3 years 37 weeks ago Page
The Zurich Classification System of Sunspot Groups Matthew Templeton 4 years 11 weeks ago Page
Solar News Matthew Templeton 2 years 32 weeks ago Page
What are sunspots? Matthew Templeton 3 years 30 weeks ago Page
SID Database Matthew Templeton 3 weeks 23 hours ago Page
Accuracy and Consistency in the Production of the American Sunspot Number (Ra) Matthew Templeton 1 year 45 weeks ago Page
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