24 November 1995 HERCULES/MSI: a multispectral imager with geolocation for STS-70
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Abstract
A multispectral intensified CCD imager combined with a ring laser gyroscope based inertial measurement unit was flown on the Space Shuttle Discovery from July 13-22, 1995 (Space Transport System Flight No. 70, STS-70). The camera includes a six position filter wheel, a third generation image intensifier, and a CCD camera. The camera is integrated with a laser gyroscope system that determines the ground position of the imagery to an accuracy of better than three nautical miles. The camera has two modes of operation; a panchromatic mode for high-magnification imaging [ground sample distance (GSD) of 4 m], or a multispectral mode consisting of six different user-selectable spectral ranges at reduced magnification (12 m GSD). This paper discusses the system hardware and technical trade-offs involved with camera optimization, and presents imagery observed during the shuttle mission.
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Christopher G. Simi, Christopher G. Simi, Randy Kindsfather, Randy Kindsfather, Henry Pickard, Henry Pickard, William Howard, William Howard, Mark C. Norton, Mark C. Norton, Roberta Dixon, Roberta Dixon, } "HERCULES/MSI: a multispectral imager with geolocation for STS-70", Proc. SPIE 2585, Remote Sensing for Agriculture, Forestry, and Natural Resources, (24 November 1995); doi: 10.1117/12.227191; https://doi.org/10.1117/12.227191
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