Camera Obscura Used To Study Sunspots #1 is a photograph by Universal History Archive/uig which was uploaded on August 2nd, 2016.
Camera Obscura Used To Study Sunspots #1
Method of projecting the sun's image through a refracting telescope onto a screen in a darkened room (camera obscura) in order to study sunspots.... more
Title
Camera Obscura Used To Study Sunspots #1
Artist
Universal History Archive/uig
Medium
Photograph
Description
Method of projecting the sun's image through a refracting telescope onto a screen in a darkened room (camera obscura) in order to study sunspots. From Selenographia by Johannes Hevelius (Gedani, Gdansk. Danzig, 1647). Engraving.
Uploaded
August 2nd, 2016
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