New ‘galactic atlas’ offers stunning details of 400,000 galaxies

A new cosmic atlas contains precise details of nearly 400,000 galaxies in the Milky Way’s general neighborhood. And, beyond being of immense use for astronomers seeking hard data, the atlas also features beautiful images that are free for the public to access online and get to know our corner of the universe. 

Called the Siena Galaxy Atlas (SGA), this digital atlas was created using data from three astronomical surveys collected between 2014 and 2017 at Cerro Tololo Inter-American Observatory (CTIO) and Kitt Peak National Observatory (KPNO). Together, those surveys are known as  the DESI Legacy Surveys.

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