The SHOESteamusedHubble's NearInfraredCameraandMulti-ObjectSpectrometer (NICMOS) and the AdvancedCamera for Surveys (ACS) to observe 240 Cepheid variable stars acrosssevengalaxies.
Hubble's historic view is actually a combination of two separate images taken by Hubble's Advanced Camera for Surveys (ACS) and its Near Infrared Camera and Multi-object Spectrometer (Nicmos).