Robert McNees on Nostr: The first solar flare observations were made #OTD in 1859 by Carrington and Hodgson, ...
The first solar flare observations were made #OTD in 1859 by Carrington and Hodgson, preceding one of the largest geomagnetic storms on record.
Both amateur astronomers made their observations independently, and published them simultaneously in MNRAS.
https://articles.adsabs.harvard.edu/cgi-bin/nph-iarticle_query?db_key=AST&bibcode=1859MNRAS..20...13C&letter=0&classic=YES&defaultprint=YES&whole_paper=YES&page=13&epage=13&send=Send+PDF&filetype=.pdf
Both amateur astronomers made their observations independently, and published them simultaneously in MNRAS.
https://articles.adsabs.harvard.edu/cgi-bin/nph-iarticle_query?db_key=AST&bibcode=1859MNRAS..20...13C&letter=0&classic=YES&defaultprint=YES&whole_paper=YES&page=13&epage=13&send=Send+PDF&filetype=.pdf