https://noirlab.edu/public/images/noao-m31_wiyn URL: https://noirlab.edu/public/media/archives/images/original/noao-m31_wiyn.tif determination method or standard:...
https://noirlab.edu/public/images/noao-m31_wiyn URL: https://noirlab.edu/public/media/archives/images/large/noao-m31_wiyn.jpg determination method or standard:...
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