True color composite (RGB of bands 3-2-1 respectively) Landsat 7 ETM+ satellite image of Little Sitkin (upper left) and Semisopochnoi (lower right) in the Western Aleutian Islands of Alaska. The western portion of Amchitka Island is visible in the lower left of the image. The image was run through a 3x3 high pass filter and fused with the 15 meter panchromatic band data to produce a spatial resolution of 15 meters.
Image courtesy of Steve J. Smith.