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Mariner 9 Television Calibration—Revisited

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Improved processing of the Mariner 9 Television data allows more accurate photometric analysis of the images returned in 1971–1972 by the first successful Mars-orbiting spacecraft. These data include good synoptic coverage of the planet and the highest resolution images yet obtained of the south polar region. Errors in calibration are comparable to (but still greater than) those of the Viking orbiter cameras. Calibration data and software are now available to interested parties as part of the Planetary Image Cartography System through the U.S. Geological Survey in Flagstaff, Arizona.

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