whlowairglow — Filter Low airglow February 19, 2021 About the Filter Id: whlowairglow Number: Release date: February 19, 2021, 12:29 pm Telescope: WIYN 3.5-meter Telescope Instrument: WHIRC Filter Details CWL (Å): 1060.00 FWHM (Å): 132.00 TMAX (%): 63.80 Filter Documents Plots Low airglow