Preview NGC 2392, Eskimo Nebula, Optical Image ID: 1349-168 Artist: NASA/STScI Purchase a commercial license Buy framed prints & more from our print store 2013 21st century astronomy bipolar double shell caldwell 39 celestial body clownface nebula deep sky deep space epromo11282018 eskimo nebula hst image hubble space telescope image interstellar cloud nebula ngc 2392 optical image planetary nebula pn star formation