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solar observing

Titlesort icon Posted By Updated/commented date Type
AAVSO Solar Section Update for 2013 Matthew Templeton 11 weeks 3 days ago Page
AAVSO Sudden Ionospheric Disturbance Program Observers Matthew Templeton 48 weeks 22 hours ago Page
Accuracy and Consistency in the Production of the American Sunspot Number (Ra) Matthew Templeton 2 years 42 weeks ago Page
Dances with Wolf's: A Short History of Sunspot Indices Matthew Templeton 1 year 42 weeks ago Page
SID Database Matthew Templeton 23 hours 30 min ago Page
Solar Bulletin Matthew Templeton 1 day 16 hours ago Page
Solar News Matthew Templeton 12 weeks 1 day ago Page
SunEntry - A sunspot data entry program BSJ 27 weeks 6 days ago Page
The Gyrator III VLF Receiver Matthew Templeton 1 year 17 weeks ago Page
The Zurich Classification System of Sunspot Groups Matthew Templeton 1 year 42 weeks ago Page
What are sunspots? Matthew Templeton 1 year 9 weeks ago Page
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