Dr. John Barentine FRAS on Nostr: New paper from the U.S. National Park Service Natural Sounds and Night Skies ...

New paper from the U.S. National Park Service Natural Sounds and Night Skies Division: "Fisheye Night Sky Imager: A Calibrated Tool to Measure Night Sky Brightness" https://iopscience.iop.org/article/10.1088/1538-3873/ad6bc1 (open access)

#LightPollution #DarkSkies #NightSkyBrightness #Conservation #Instrumentation