Editing 1611 in science (section)

==Astronomy==
* February 27 – [[Sunspots]] are observed by [[telescope]] by [[Frisians|Frisian]] astronomers [[Johannes Fabricius]] and [[David Fabricius]] and Johannes publishes the results of these observations in ''De Maculis in Sole observatis'' in [[Wittenberg]] later this year.<ref>{{cite web|first=C.|last=Thony|title=Spotting the spots|url=http://thonyc.wordpress.com/2011/01/08/spotting-the-spots/|work=The Renaissance Mathematicus|date=2011-01-08|accessdate=2011-08-09| archiveurl= https://web.archive.org/web/20110721212233/http://thonyc.wordpress.com/2011/01/08/spotting-the-spots/|archivedate=21 July 2011<!--Added by DASHBot-->}}</ref> Such early discoveries are overlooked however, and the first sighting is claimed a few months later by [[Galileo Galilei]] and [[Christoph Scheiner]].