Since 1970, Fred Veio has assisted many amateurs to build a spectrohelioscope (SHS) -- an instrument that allows you to image the sun in a very narrow band of color. His design is portable, compact, low cost, and was published in the January 1969 issue of Sky and Telescope. His book on SHS (which can be downloaded from this page) appeared in 1972, followed by three more editions. A self made SHS will cost about $600. If an optical company makes the optics, total costs will be about $2000, including the grating. A professional SHS with long focal length optics, intricate machine shop parts, about $15,000.00.
What's New on the Spectrohelioscope Network?
Fred's comments on Zeeman lines
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Here's what you can see with a Spectrohelioscope
Solar Features (courtesy of NASA)
The Sun's Fraunhofer Lines
Here is some useful information about the Human Eye and SHS design
The Spectrohelioscope in Brief
Click here to see an annotated gallery of spectrohelioscopes constructed by amateurs from around the world
Click here to see solar images from spectrohelioscopes constructed by amateurs from around the world
Click here to see several coelostat designs by Fred Veio and others on this site
Professional Equipment and Photos
Click here to see some solar images by professionals
A Spectrohelioscope Timeline
Click here to see highlights from the Spectroheliscope Forum
Spectrohelioscope Theory and Design
Hale at the Yerke's Spectrohelioscope
