spectrohelioscope

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spec·tro·he·li·o·scope

 (spĕk′trō-hē′lē-ə-skōp′)
n.
An instrument that combines a solar telescope and a spectroscope and is used to observe a narrow band of solar radiation.
spec′tro·he′li·o·scop′ic (-skŏp′ĭk) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

spectrohelioscope

(ˌspɛktrəʊˈhiːlɪəʊˌskəʊp)
n
(General Physics) an instrument, similar to the spectroheliograph, used for observing solar radiation at one particular wavelength
spectrohelioscopic adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

spec•tro•he•li•o•scope

(ˌspɛk troʊˈhi li əˌskoʊp)

n.
an apparatus, similar to a spectroheliograph, used for visual instead of photographic observations.
[1925–30]
spec`tro•he`li•o•scop′ic (-ˈskɒp ɪk) adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive
Seeing was poor in integrated light so to reduce the effects of atmospheric turbulence Hill decided to work in the long wavelengths of the spectrohelioscope (6563A).
Mercury projected on the solar corona
An update of the author's decades-long endeavor of building a basic spectrohelioscope and popularizing the instrument to observe the Sun.
The Spectrohelioscope
Hill had built his own spectrohelioscope and as he no longer used his excellent 12" [305mm] reflector it was acquired by Eric together with its housing dome.
Eric Hugo Strach, 1914-2011
Veio in his 84-page booklet, The Spectrohelioscope (available for $8.50 from him at P.O.
A simple heliostat design
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