A
helioscope is an instrument used in observing the sun and sun spots. The
helioscope was first used by Benedetto Castelli (1578-1643)
Kaynak: Helioscopetransit | telescope3_name
helioscope | telescope3_type Spectro-
helioscope | telescope4_name Detector | telescope4_type Cosmic Ray Detector
Kaynak: Lee ObservatoryThe second part not only describes telescopes, different kinds of projection and the
helioscope but also compares the optics of the
Kaynak: Christoph ScheinerRome, and Christoph Scheiner had probably been observing the spots for two or three months using an improved
helioscope of his own design.
Kaynak: SunspotGregory of Valentia , the astronomer Christopher Scheiner (inventor of the
helioscope ), Johann Baptist Cysat , and the poet Jacob Balde .
Kaynak: University of Ingolstadt