described at URL: https://chandra.si.edu/photo/1999/0099 URL: https://chandra.si.edu/photo/1999/0099/more/0099_vlo.tif determination method or standard: JImagehash...
described at URL: https://chandra.si.edu/photo/1999/0099 URL: https://chandra.si.edu/photo/1999/0099/more/0099_vlo_lg.jpg determination method or standard:...
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