https://noirlab.edu/public/images/noao-m81 URL: https://noirlab.edu/public/media/archives/images/large/noao-m81.jpg determination method: JImagehash perceptual...
https://noirlab.edu/public/images/noao-m81 URL: https://noirlab.edu/public/media/archives/images/original/noao-m81.tif determination method: JImagehash...
English M81, a type Sb spiral galaxy in the constellation Ursa Major, as seen by the KPNO 4-meter Mayall telescope in 1975. determination method or standard:...
English M81, a type Sb spiral galaxy in the constellation Ursa Major, as seen by the KPNO 4-meter Mayall telescope in 1975. determination method or standard:...