Differential atmospheric refraction does not cause a net rotation of a field of stars thus a correctly tracking equatorial telescope does not require rotation of the detector during observations. I.S. Bowen was mistaken in 1966.
© 2006 Optical Society of America
(010.0010) Atmospheric and oceanic optics : Atmospheric and oceanic optics
(010.1300) Atmospheric and oceanic optics : Atmospheric propagation
(080.0080) Geometric optics : Geometric optics
(080.2720) Geometric optics : Mathematical methods (general)
E. H. Richardson, "Corrected Calculation of Star Trails Caused by Differential Atmospheric Refraction," in International Optical Design, Technical Digest (CD) (Optical Society of America, 2006), paper WC5.
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