The Siena Galaxy Atlas (SGA) is a compilation of data from three surveys completed between 2014 and 2017 known as the DESI Legacy Surveys, which were carried out to identify galaxy targets for the Dark Energy Spectroscopic Instrument (DESI) survey. The data were collected at Cerro Tololo Inter-American Observatory and Kitt Peak National Observatory, both Programs of NSF’s NOIRLab, and at the University of Arizona’s Steward Observatory. The atlas...
