ALL meanings of spectroheliograph
spec·tro·he·li·o·graph
S s - noun spectroheliograph an apparatus for making photographs of the sun with a monochromatic light to show the details of the sun's surface and surroundings as they would appear if the sun emitted only that light. 1
- noun spectroheliograph an instrument used to obtain an image of the sun in light of a particular wavelength, such as calcium or hydrogen, to show the distribution of the element over the surface and in the solar atmosphere. The image obtained is a spectroheliogram 0
- noun spectroheliograph an instrument acting like a filter, for photographing the sun using light from only one spectral line, usually from hydrogen (red) or calcium (violet) 0