Skip to main content

Naval History and Heritage Command

NH 116134 The 5-inch Photoheliograph, Naval Observatory, Washington, D.C.

The 5-inch Photoheliograph, Naval Observatory, Washington, D.C.
Download Image:
Low (PNG, 319x319px, 76KB)
Med (JPEG, 1280x1280px, 354KB)
High (TIFF, 5916x4818px, 27MB)
Title: The 5-inch Photoheliograph, Naval Observatory, Washington, D.C.
Caption: The 5-inch Photoheliograph, Naval Observatory, Washington, D.C. With this instrument daily photographs of the Sun are obtained (weather permitting) to secure sunspot data, including heliographic positions and areas and a count of the number of spots. The data are published in the Monthly Weather Review. The curves of sunspot activity and terrestrial magnetic storms closely coincide.
Description: U.S. Naval Observatory, Washington, D.C.
Catalog #: NH 116134
Copyright Owner: Naval History and Heritage Command
Original Creator:
After this Year:
Before this Year:
Original Medium: BW Photo
Related Content
Topic
Document Type
  • Photograph
Wars & Conflicts
Navy Communities
File Formats
  • Image (gif, jpg, tiff)
Location of Archival Materials
Author Name
Place of Event
Recipient Name