The mission-long spectral irradiance red channel data of the SOHO/VIRGO/SPM. The Sunphotometer (SPM) is a part of the Variability of Solar Irradiance and Gravity Oscillations (VIRGO) aboard the Solar
Total Solar Irradiance recorded by the FY3E/DARA-JTSIM radiometer. This dataset is the V1.0 with a 6 hr sampling rate. New models (temperature, Deep space corrections, new first light). Please, contac
