1. A method of operating optical systems, the method comprising: forming a stitched image of a field of regard using a first optical device, wherein the stitched image of the field of regard comprises a plurality of sub-images associated with a first field of view; receiving an image of a second field of view from a second optical device; determining a location of the image of the second field of view in the stitched image; and communicating an indicator to the second optical device, the indicator being related to the location of the image of the second field of view in the stitched image.