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searching for Sunspot drawing 2 found (3 total)

John of Worcester (911 words) [view diff] exact match in snippet view article find links to article

1128 sunspot drawing by John of Worcester. This is the earliest known drawing of a sunspot from anywhere in the world.

Solar observation (5,172 words) [view diff] exact match in snippet view article find links to article

the edge of the disk. — Leo Diaconus The earliest known record of a sunspot drawing was in 1128, by John of Worcester. In the third year of Lothar, emperor