January 2024
Thank you, solar observers! The February 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
Thank you, solar observers!
The March Solar Bulletin and SID Report have been published. Also, the lists of daily and monthly American Relative Sunspot Numbers (Ra) have been updated.
Also, the April Solar Bulletin and SID Report have been published and the lists of daily and monthly American Relative Sunspot Numbers (Ra) have been updated.
Clear skies,
Elizabeth O. Waagen, AAVSO HQ
Thank you, solar observers!
The May 2024 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
Thank you, solar observers!
The June 2024 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
Thank you, solar observers!
The July 2024 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
Thank you, solar observers! The January 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