Skip to main content

solar observing

Titlesort icon Posted By Updated/commented date Type
What are sunspots? Matthew Templeton 3 years 17 weeks ago Page
The Zurich Classification System of Sunspot Groups Matthew Templeton 3 years 50 weeks ago Page
The Gyrator III VLF Receiver Matthew Templeton 3 years 24 weeks ago Page
SunEntry - A sunspot data entry program BSJ 1 year 5 days ago Page
Solar News Matthew Templeton 2 years 19 weeks ago Page
Solar Bulletin Matthew Templeton 3 weeks 3 days ago Page
SID Database Matthew Templeton 3 weeks 3 days ago Page
Dances with Wolfs: A Short History of Sunspot Indices Matthew Templeton 1 year 13 weeks ago Page
Accuracy and Consistency in the Production of the American Sunspot Number (Ra) Matthew Templeton 1 year 32 weeks ago Page
AAVSO Sudden Ionospheric Disturbance Program Observers Matthew Templeton 40 weeks 5 days ago Page
AAVSO Solar Section Update for 2013 Matthew Templeton 2 years 18 weeks ago Page
AAVSO 49 Bay State Rd. Cambridge, MA 02138 aavso@aavso.org 617-354-0484