August 2024 data
Thank you, solar observers! The August Solar Bulletin and SID Report have been published. Also, the lists of daily and monthly American Relative Sunspot Numbers (Ra) have been updated.
Clear skies,
Elizabeth O. Waagen, AAVSO HQ
September 2024 data
Thank you, solar observers! The September Solar Bulletin and SID Report have been published. Also, the lists of daily and monthly American Relative Sunspot Numbers (Ra) have been updated.
Clear skies,
Elizabeth O. Waagen, AAVSO HQ
October 2024 data
Thank you, solar observers! The OctoberSolar Bulletin and SID Report have been published. Also, the lists of daily and monthly American Relative Sunspot Numbers (Ra) have been updated.
Clear skies,
Elizabeth O. Waagen, AAVSO HQ
November 2024 data
Thank you, solar observers! The November Solar Bulletin and SID Report have been published. Also, the lists of daily and monthly American Relative Sunspot Numbers (Ra) have been updated.
Clear skies,
Elizabeth O. Waagen, AAVSO HQ
December 2024 data
Thank you, solar observers! The December Solar Bulletin and SID Report have been published. Also, the lists of daily and monthly American Relative Sunspot Numbers (Ra) have been updated.
Clear skies,
Elizabeth O. Waagen, AAVSO HQ
December 2024 Solar Bulletin revised
The December 2024 Solar Bulletin that was posted on January 16 has been replaced with a revised version. You may download it from the usual place.
Clear skies,
Elizabeth
January 2025 data
Thank you, solar observers! The January 2025 Solar Bulletin and SID Report have been published. Also, the lists of daily and monthly American Relative Sunspot Numbers (Ra) have been updated.
Clear skies,
Elizabeth O. Waagen, AAVSO HQ
February 2025 data
Thank you, solar observers! The February 2025 Solar Bulletin and SID Report have been published. Also, the lists of daily and monthly American Relative Sunspot Numbers (Ra) have been updated.
Clear skies,
Elizabeth O. Waagen, AAVSO HQ