Sunspotter
From Gnomon Chronicles
A sunspotter, sun buff, sun fan, sun enthusiast, sun anorak (British English), or sunfoamer (pejorative for American sunspotters), is a person interested in a recreational capacity in Solar irradiance (nonfiction), usually with an emphasis on sunspots (nonfiction).
Description
Sunspotters of many ages can be found worldwide.
Sunspotters often combine their interest with other hobbies, especially photography and videography, radiotelescopy scanning, model sunspotting, studying solar radiation history, and participating in telescope and observatory preservation efforts.