Comet Lulin and Distant Galaxies . ... To reveal the faint background galaxies and trace the comet's fading tail, the remarkable picture is a blended composite of telescopic exposures aligned with the both the stars and the speedy comet . The largest galaxies seen left of the comet's head or coma are cataloged as NGC 3016, NGC 3019, NGC 3020 and NGC 3024 and lie at a distance of 100 million light-years or so. ... NASA Web Site Statements, Warnings, and Disclaimers . NASA Official: Jay Norris. ...