... NGC 1316: After Galaxies Collide . ... Their investigation indicates that NGC 1316 is an enormous elliptical galaxy that started, about 100 million years ago, to devour a smaller spiral galaxy neighbor, NGC 1317, just above it. ... Giant star forming region W5 is over 200 light-years across and about 6,500 light-years away in the constellation Cassiopeia. ... Compact and round, NGC 7008 is recognized as a planetary nebula about 2,800 light-years distant in the nebula rich constellation of Cygnus. ...