The dataset is available to download in Geotiff format at a resolution of 3 arc (approximately 100m at the equator). The projection is Geographic Coordinate System, WGS84. Units: The VIIRS data are meseared in nanoWatts/cm2/sr. Original radiance values are multiplied by 1E9 in the source data. Filenames: Example - arm_viirs_100m_2012.tif represents VIIRS night-time lights in Armenia for the year 2012. Data Source: NOAAs National Centers for Environmental Information, Visible Infrared Imaging Radiometer Suite (https://ngdc.noaa.gov/eog/viirs/index.html).