Automatic guiding system for stellar photography

Details Automatic guiding system for stellar photography Automatic guiding system for stellar photography

Dec 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977orion..35..214c&link_type=abstract

Orion, vol. 35, Dec. 1977, p. 214-218. In French.

Astronomy and Astrophysics

Astronomy

Astronomical Photography, Automatic Control, Servocontrol, Star Trackers, Guidance (Motion), Photodiodes, Reference Stars

Scientific paper

A simple automatic servo-system is described that automatically keeps a star under study at the center of the field of view over extended exposure times. Two separate loops for the right ascension and declination correction are provided. For converting the luminous power of the reference star into electric current, two ultrasensitive photodiodes with two operational amplifiers with high input impedance are used.

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