Skip to main content

solar observing

Titlesort icon Posted By Updated/commented date Type
AAVSO Solar Section Update for 2013 Matthew Templeton 1 year 33 weeks ago Page
AAVSO Sudden Ionospheric Disturbance Program Observers Matthew Templeton 3 weeks 5 days ago Page
Accuracy and Consistency in the Production of the American Sunspot Number (Ra) Matthew Templeton 47 weeks 5 days ago Page
Dances with Wolfs: A Short History of Sunspot Indices Matthew Templeton 28 weeks 5 days ago Page
SID Database Matthew Templeton 21 hours 35 min ago Page
Solar Bulletin Matthew Templeton 21 hours 42 min ago Page
Solar News Matthew Templeton 1 year 34 weeks ago Page
SunEntry - A sunspot data entry program BSJ 16 weeks 4 hours ago Page
The Gyrator III VLF Receiver Matthew Templeton 2 years 39 weeks ago Page
The Zurich Classification System of Sunspot Groups Matthew Templeton 3 years 13 weeks ago Page
What are sunspots? Matthew Templeton 2 years 32 weeks ago Page
AAVSO 49 Bay State Rd. Cambridge, MA 02138 617-354-0484