The Hinode EUV Imaging Spectrometer simultaneously measures in the 170-210 and 250-290 Angstrom ranges using two large back-illuminated CCDs. EIS utilizes an off-axis parabolic primary and a toroida
The Ultraviolet Imager (UVI) is a small camera that detected and produced images of the ultraviolet light of the aurora, day and night. Key Parameter (KP) images are calculated at nominal 5-10 minute