A spectrohelioscope refers to a specialized astronomical instrument used to study the Sun's spectrum and its features. Some synonyms for spectrohelioscope include solar telescope, sun observatory, and solar spectrography. A solar telescope is an optical instrument intended for observing the Sun in detail. A sun observatory is a facility that specializes in studying the Sun, where scientists can make crucial observations and collect important data. Solar spectrography is a technique used to study the Sun's chemical composition and its properties using a spectroscopy method. In summary, these synonyms refer to instruments and techniques used for studying the Sun's spectrum or light emissions.