Sunspots, American, 12 August 1917.

1917 in Mount Wilson, United States and California

Buy this image as a print 

License this image for commercial use at Science and Society Picture Library

Science Museum Group Collection
© The Board of Trustees of the Science Museum

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"


Object Number:
black-and-white transparencies
Mount Wilson Observatory

Cite this page


We encourage the use and reuse of our collection data.

Data in the title, made, maker and details fields are released under Creative Commons Zero

Descriptions and all other text content are licensed under a Creative Commons Attribution 4.0 licence

Using our data


Download catalogue entry as json

View manifest in IIIF viewer

Add to Animal Crossing Art Generator

Download manifest IIIF

Our records are constantly being enhanced and improved, but please note that we cannot guarantee the accuracy of any information shown on this website.