Jul 19, 2023
Pickering's Triangle image taken with the Mayall 4-meter Telescope
A wide-field image of Pickering's Triangle taken with the U.S. National Science Foundation's Mayall 4-meter Telescope at Kitt Peak National Observatory. Pickering's Triangle is part of the Cygnus Loop supernova remnant.
Credit: T.A. Rector/University of Alaska Anchorage, H. Schweiker/WIYN and NOIRLab/NSF/AURA (Available under Creative Commons Attribution 4.0 International)