The NASA/ESA Hubble Space Telescope has produced this beautiful image of the unbarred spiral galaxy NGC 691. This Hubble image shows NGC 691, a spiral galaxy located 125 million light-years away in the constellation Aries. The image is made up of observations from Hubble’s WFC3 instrument in the infrared and optical parts of the spectrum. Four filters were used to sample various wavelengths. The color results from assigning different hues to each...