kp811 — Filter H-alpha February 19, 2021 Comments Some edge deterioration About the Filter Id: kp811 Number: Release date: February 19, 2021, 12:26 pm Telescope: KPNO 2.1-meter Telescope Instrument: KPNO 4-Inch Filters Filter Details CWL (Å): 6572.00 FWHM (Å): 89.00 TMAX (%): 67.00 Filter Documents Plots H-alpha Data H-alpha 5.1 KB
Some edge deterioration