2024 Solar Bulletins and SID Reports

Announcement: New Forums

We are excited to announce the launch of our new forums! You can access it forums.aavso.org. For questions, please see our blog post. The forums at aavso.org/forum have become read-only.

Affiliation
American Association of Variable Star Observers (AAVSO)
Thu, 02/15/2024 - 18:41

January 2024

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

Affiliation
American Association of Variable Star Observers (AAVSO)
March and April 2024

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