whfeii — Filter [Fe II] February 19, 2021 About the Filter Id: whfeii Number: Release date: February 19, 2021, 12:29 pm Telescope: WIYN 3.5-meter Telescope Instrument: WHIRC Filter Details CWL (Å): 1646.00 FWHM (Å): 164.00 TMAX (%): 79.10 Filter Documents Plots [Fe II]