described at URL: https://chandra.si.edu/photo/1999/0052/more.html URL: https://chandra.si.edu/photo/1999/0052/crab_scale.tif determination method: JImagehash...
described at URL: https://chandra.si.edu/photo/1999/0052/more.html URL: https://chandra.si.edu/photo/1999/0052/crab_scale.jpg determination method: JImagehash...
.jpg){kind=link}