Spiral Nebula M 81 Ursae Majoris photographed by Mount Wilson Observatory 60-inch telescope

Spiral Nebula M 81 Ursae Majoris, exposure 4 hrs. 15 mins. Photographed using the Mount Wilson 60-inch telescope., Credit Line: AIP Emilio Segrè Visual Archives
Abstract/Description: Spiral Nebula M 81 Ursae Majoris, exposure 4 hrs. 15 mins. Photographed using the Mount Wilson 60-inch telescope.
Subject(s): Observatories
Astronomy
Telescopes
Cameras
Mount Wilson Observatory
Date Created: February 5, 1910
Credit Line: AIP Emilio Segrè Visual Archives
Catalog ID: Mount Wilson Observatory H25