Click to open image viewer. This is a backup film magazine from extreme UV spectroheliograph (S082A), one of the major instruments on the Apollo Telescope Mount (ATM) from the Skylab mission. This ...
Master solar imaging with this full step-by-step processing guide designed for spectroheliograph users. From raw data to stunning final images, I cover everything you need to know — even if you're a ...
IN a previous number of this Journal (vol. Ixix. p. 609, 1904), under the heading of “A New-Epoch in Solar Physics,” I gave an account of the magnificent work that Prof. Hale had recently been ...
THE spectrohelioscope of Dr. G. E. Hale 1 allows one to observe in the light of a single spectral line the extremely rapid variations occurring on the sun's surface. But this spectral line has to ...
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