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solar observing

Title Posted Bysort icon Updated/commented date Type
SunEntry - A sunspot data entry program BSJ 4 weeks 1 day ago Page
What are sunspots? Matthew Templeton 2 years 20 weeks ago Page
SID Database Matthew Templeton 1 week 5 days ago Page
Accuracy and Consistency in the Production of the American Sunspot Number (Ra) Matthew Templeton 36 weeks 22 min ago Page
AAVSO Sudden Ionospheric Disturbance Program Observers Matthew Templeton 2 years 6 weeks ago Page
Dances with Wolfs: A Short History of Sunspot Indices Matthew Templeton 17 weeks 1 hour ago Page
Solar Bulletin Matthew Templeton 1 week 5 days ago Page
AAVSO Solar Section Update for 2013 Matthew Templeton 1 year 22 weeks ago Page
The Gyrator III VLF Receiver Matthew Templeton 2 years 27 weeks ago Page
The Zurich Classification System of Sunspot Groups Matthew Templeton 3 years 1 week ago Page
Solar News Matthew Templeton 1 year 22 weeks ago Page
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