Sunspots, American, 12 August 1917.

Photograph film positive, 16" x 20", the Sun, photographed with the 60ft Tower Telescope of the Mount Wilson Observatory, 1917 August 12, Large groups of sunspots lying in zones parallel to the Sun's equator, size of image 15" x 19"

Collection

Science Museum

Inventory Number

3020258

Title

Sunspots, American, 12 August 1917.

Object Type

PhysicalObject

Measurements

- overall: 16 x 20 in.