Astronomical Panoramic Views From a City Observatory
Rigge, William F., S.J.
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First Paragraph: The astronomical panoramic views presented in this article were taken for the purpose of teaching students the circles of the celestial sphere and the magnitude of circular measure. They consist of a series of eight photographs, taken from the dome of the Creighton University Observatory, towards the eight principal points of the compass, and have drawn upon them the circles of altitude, azimuth, declination and hour angle at intervals of five degrees. The diurnal paths of the stars and their points of rising and setting, as well as other connected details, may thus be studied with reference to fixed terrestrial objects. It is the purpose of this article to explain the method used in the construction of the lines on the photographs.