Astronomical proportional control autoguidance system using the quadrant photosil detector

Details Astronomical proportional control autoguidance system using the quadrant photosil detector Astronomical proportional control autoguidance system using the quadrant photosil detector

May 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977jphe...10..516c&link_type=abstract

Journal of Physics E - Scientific Instruments, vol. 10, May 1977, p. 516-520. Research supported by the Eastern and Midlands Ra

Physics

1

Guidance Sensors, Optical Measuring Instruments, Pointing Control Systems, Proportional Control, Quantum Counters, Silicon Radiation Detectors, Telescopes, Automatic Control, Electronic Control, Servocontrol

Scientific paper

A proportional control autoguider for optical telescopes has been constructed using the quadrant photosil detector, a low-noise photon counting system. The autoguider has a dynamic range of 10 stellar magnitudes and output options for driving either conventional or stepping motors. Attention is given to system considerations, the approximation of a proportional servo, implementation and performance.

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