Images of Comet ISON were obtained by SOFIA's FORCAST camera at wavelengths of 11.1, 19.7, and 31.5 microns.
Images of Comet ISON were obtained by SOFIA’s FORCAST camera at wavelengths of 11.1, 19.7, and 31.5 microns. Measurements at 31.5 microns, crucial for determining the temperature and other characteristics of the comet’s material, cannot be made using ground-based telescopes.
October 24, 2013
NASA / Diane Wooden