5 Oct
2010
5 Oct
'10
9:59 a.m.
Cool little observational project, Gary, well-done. Did you reach your conclusions based on strictly visual observations? On 10/3/10, Gary Vardon <gvardon@webtv.net> wrote:
I estimated the rotational rate of the sun based on sun spot movement. The published value is about 25 days at the equator and I would say this is reasonable based on my crude sunspot observations.