Multispectral step-and-stare imaging with single sensor

A method of multispectral step-and-stare imaging, comprising:

• advancing an imaging platform relative to an imaging target, wherein the imaging platform has arranged thereon an image sensor comprising a photosensitive surface, a gimbals system for controlling a line of sight of the image sensor, and a filter wheel comprising a series of n rotating spectral filters and arranged between the image sensor and the imaging target;
• rotating the filter wheel at a constant velocity so as to bring each of the spectral filters into a line of sight between the image sensor and the imaging target, and synchronizing straight line movement of the platform, image capture rate of the image sensor, control of the line of sight of the image sensor, and rotation of the filter wheel, such that the image sensor captures a sequence of overlapping step-and-stare images through the series of rotating spectral filters without changing a speed of rotation of the filter wheel, wherein a percentage of overlap between two adjacent step-and-stare images is at least 100*(n−1)/n.