The only Supermoon of 2017 occurred on 03 December — and a composite of Suomi NPP VIIRS Day/Night Band (0.7 µm) swaths viewed using RealEarth (above) demonstrated the “visible image at night” capability of that spectral band. A VIIRS instrument is also part of the payload on recently-launched JPSS-1/NOAA-20.A few... Read More