34/265
[ stop the slideshow ]

W. M. Keck Observatory

20190114-iPhoneX-00220.jpg LRIS slitmaskThumbnailsWalkwaysLRIS slitmaskThumbnailsWalkwaysLRIS slitmaskThumbnailsWalkwaysLRIS slitmaskThumbnailsWalkwaysLRIS slitmaskThumbnailsWalkwaysLRIS slitmaskThumbnailsWalkwaysLRIS slitmaskThumbnailsWalkways