Ahaggar Landsat 8 pan sharpened composite
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8751 x 8751 Pixel (25676791 Bytes)
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The Ahaggar, also known as the Hoggar, a volcanic mountain range in the central Sahara.
The image is averaged from 58 Landsat 8-scenes, provided by NASA. Bands 4, 3, 2 and 8 were combined into an RGB image. Panchromatic sharpening, conversion to radiance, weighted averaging, and rescaling to extrema of the scenes was done in R with the package RStoolbox. JPEG-encoded with Guetzli.
Images acquired in the range 18. července 2013 – 2. března 2021, each at mean 10:05, range 10:04–10:07. The sun position range: azimuth 86°–155°, average 133°; elevation 38°–69°, average 52°.
Resolution: 15m.
Projection: UTM 31 N, WGS84.
Center: 769590, 2574870.
From WRS-2 Path 192 Row 044.
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NASA, Vlastní dílo
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