M19 – Globular Cluster

This Hubble image of M19 was created using observations of both visible and ultraviolet light. The image’s stair-step appearance results from the design of the camera used to take the exposures. The camera consisted of four light detectors, one of which provided a higher resolution but had a smaller field of view than the other three. Because the detector with the higher resolution did not cover as much area as the others, black regions were left when the image from all four detectors were combined into one picture.