New geodetically controlled THEMIS mosaics

coprates-fullThe U.S. Geological Survey’s Astrogeology Science Center in Flagstaff has released 10 new geodetically controlled THEMIS mosaics of Mars quadrangles, making a total of 21 quadrangles available. Above is part of the Coprates quadrangle, using mosaicked THEMIS daytime infrared images.

Twenty of the 21 quads (shown in brown in the image-map below) have controlled mosaics of both day and night infrared images, plus image pointing data (kernels); the Tharsis quadrangle (shown in blue) has only the day IR mosaic and image pointing data.

Each quadrangle mosaic (resolution: 100 meters per pixel) can be downloaded from an index page, but be aware that file sizes are large. The PNG-format mosaic files are 300+ megabytes each, and the TIFF-format ones are 400+ MB. Lower-resolution JPGs are also available; these are about 70 MB each.

The project, under principal investigator Robin Fergason of the USGS, began in fall 2011 and is expected to be complete by fall 2017. [More at links]


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