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solar observing

Titlesort icon Posted By Updated/commented date Type
What are sunspots? Matthew Templeton 2 years 41 weeks ago Page
The Zurich Classification System of Sunspot Groups Matthew Templeton 3 years 22 weeks ago Page
The Gyrator III VLF Receiver Matthew Templeton 2 years 48 weeks ago Page
SunEntry - A sunspot data entry program BSJ 24 weeks 6 days ago Page
Solar News Matthew Templeton 1 year 43 weeks ago Page
Solar Bulletin Matthew Templeton 6 days 17 hours ago Page
SID Database Matthew Templeton 6 days 17 hours ago Page
Dances with Wolfs: A Short History of Sunspot Indices Matthew Templeton 37 weeks 4 days ago Page
Accuracy and Consistency in the Production of the American Sunspot Number (Ra) Matthew Templeton 1 year 4 weeks ago Page
AAVSO Sudden Ionospheric Disturbance Program Observers Matthew Templeton 12 weeks 4 days ago Page
AAVSO Solar Section Update for 2013 Matthew Templeton 1 year 42 weeks ago Page
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