https://noirlab.edu/public/images/rubin-auxtelspec1 URL: https://noirlab.edu/public/media/archives/images/original/rubin-auxtelspec1.tif determination method:...
https://noirlab.edu/public/images/rubin-auxtelspec1 URL: https://noirlab.edu/public/media/archives/images/large/rubin-auxtelspec1.jpg determination method or...