Skip to main content

sun

Title Posted By Updated/commented datesort icon Type
SID Database Matthew Templeton 3 days 20 hours ago Page
Solar Bulletin Matthew Templeton 3 days 21 hours ago Page
Dances with Wolfs: A Short History of Sunspot Indices Matthew Templeton 15 weeks 5 days ago Page
Accuracy and Consistency in the Production of the American Sunspot Number (Ra) Matthew Templeton 34 weeks 5 days ago Page
Solar News Matthew Templeton 1 year 21 weeks ago Page
Useful links for new solar observers Matthew Templeton 1 year 40 weeks ago Page
AAVSO Sudden Ionospheric Disturbance Program Observers Matthew Templeton 2 years 5 weeks ago Page
SID Monitoring Group FAQ Matthew Templeton 2 years 5 weeks ago Page
The Gyrator III VLF Receiver Matthew Templeton 2 years 26 weeks ago Page
The Zurich Classification System of Sunspot Groups Matthew Templeton 3 years 1 day ago Page
VLF Station List Matthew Templeton 3 years 51 weeks ago Page
Solar Program, Reducing Data and Email Format Matthew Templeton 3 years 51 weeks ago Page
Guidelines for new solar observers Matthew Templeton 3 years 51 weeks ago Page
Solar Photo Gallery Matthew Templeton 3 years 51 weeks ago Page
Atmospheric seeing conditions for solar observing Matthew Templeton 3 years 51 weeks ago Page
AAVSO 49 Bay State Rd. Cambridge, MA 02138 aavso@aavso.org 617-354-0484