An image stabilization experiment at the Canada-France-Hawaii Telescope

Details An image stabilization experiment at the Canada-France-Hawaii Telescope An image stabilization experiment at the Canada-France-Hawaii Telescope

Aug 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989pasp..101..731r&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 101, Aug. 1989, p. 731-736. Research supported by NSERC

Astronomy and Astrophysics

Astronomy

34

Atmospheric Turbulence, Charge Coupled Devices, Image Processing, Real Time Operation, Reflecting Telescopes, Angular Resolution, Cameras, High Resolution, Stabilizers

Scientific paper

CCD frames obtained with a new image-stabilizing camera at the prime focus of the 3.6-m Canada-France-Hawaii Telescope are used to evaluate the various sources of image spread at that facility and to estimate the gain in image sharpness achieved by stabilization. Wavefront tilt corrections over the full 3.6-m pupil reduced image spread from 0.61 to 0.56 arcsec (FWHM), while stabilized images from a 1.2-m subpupil had a 0.35-arcsec spread.

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