Definitions for "Spectroheliograph"
An apparatus for making spectroheliograms, consisting of a spectroscopic camera used in combination with a telescope, and provided with clockwork for moving the sun's image across the slit.
spectrograph modified to photograph the solar disk or the chromosphere in the light of a single spectral line, either in the red hydrogen alpha line or the violet H or K line of calcium.
An instrument for taking photographs of an image of the sun in monochromatic light.
Groiler Multimedia Encyclopedia (1993 ed.)