DUSTiNGS consists of a sample of 50 dwarf galaxies within 1.5 Mpc, which have been mapped with IRAC channels 1 and 2 (3.6 and 4.5 microns). The sample consists of 37 dwarf spheroidal, 8 dwarf irregular, and 5 transition-type galaxies.
The DUSTiNGS data release includes images and source catalogs based on uniform Spitzer 3.6 and 4.5 micron observations.