Table 1
Overview of the Visible Imaging System (VIS)


Size:                        61 cm × 66 cm × 25 cm
Mass                         28.65 kg
Power                        30 watts
Image Frame Rate             12 seconds
Telemetry                    11 kilobits/s
Number of Pixels/Frame       256 × 256 pixels

Aurora Cameras               Low Resolution       Medium Resolution
 Field-Of-View
  -Overall:                  20° × 20°            20° × 20°
  -Instantaneous:            5.4° × 6.3°          2.8° × 3.3°
 Passband Width (12 filters) ~1 nm                ~1 nm
 Wavelength Range            308732 nm            308732 nm
 Sensitivity (630 nm)        3 counts/kR-pixel    0.8 counts/kR-pixel
 Time Resolution             12 seconds           12 seconds
 Angular Resolution          0.02°                0.01°
 Spatial Resolution (at Earth's surface as seen from the apogee altitude of 8 Re)
                             20 km                10 km

Earth Camera
 Field-Of-View               20° × 20°
 Passband Width              ~25 nm
 Wavelength Range            124149 nm
 Sensitivity                 7.2 counts/kR-pixel
 Time Resolution             12 seconds
 Angular Resolution          0.08°
 Spatial Resolution (at Earth's surface as seen from the apogee altitude of 8 Re)
                             80 km