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solar observing

Title Posted By Updated/commented date Typesort icon
What are sunspots? Matthew Templeton 4 years 7 weeks ago Page
SID Database Matthew Templeton 2 weeks 4 days ago Page
Accuracy and Consistency in the Production of the American Sunspot Number (Ra) Matthew Templeton 2 years 23 weeks ago Page
SunEntry - A sunspot data entry program BSJ 37 weeks 6 days ago Page
AAVSO Sudden Ionospheric Disturbance Program Observers Matthew Templeton 1 year 31 weeks ago Page
Dances with Wolfs: A Short History of Sunspot Indices Matthew Templeton 2 years 4 weeks ago Page
Solar Bulletin Matthew Templeton 2 weeks 4 days ago Page
AAVSO Solar Section Update for 2013 Matthew Templeton 3 years 9 weeks ago Page
The Gyrator III VLF Receiver Matthew Templeton 4 years 15 weeks ago Page
The Zurich Classification System of Sunspot Groups Matthew Templeton 4 years 40 weeks ago Page
Solar News Matthew Templeton 3 years 10 weeks ago Page
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