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solar observing

Titlesort icon Posted By Updated/commented date Type
What are sunspots? Matthew Templeton 2 years 46 weeks ago Page
The Zurich Classification System of Sunspot Groups Matthew Templeton 3 years 27 weeks ago Page
The Gyrator III VLF Receiver Matthew Templeton 3 years 1 week ago Page
SunEntry - A sunspot data entry program BSJ 30 weeks 23 hours ago Page
Solar News Matthew Templeton 1 year 48 weeks ago Page
Solar Bulletin Matthew Templeton 1 week 6 days ago Page
SID Database Matthew Templeton 1 week 6 days ago Page
Dances with Wolfs: A Short History of Sunspot Indices Matthew Templeton 42 weeks 6 days ago Page
Accuracy and Consistency in the Production of the American Sunspot Number (Ra) Matthew Templeton 1 year 9 weeks ago Page
AAVSO Sudden Ionospheric Disturbance Program Observers Matthew Templeton 17 weeks 6 days ago Page
AAVSO Solar Section Update for 2013 Matthew Templeton 1 year 47 weeks ago Page
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