GALLERY p COSMIC CONTINENT u TR AILS OF FIRE AND STARLIGHT Terry Hancock The iconic North America Nebula (NGC 7000) and nearby Pelican Nebula (IC 5070) are parts of an enormous interstellar cloud of ionized gas situated about 1,600 light-years away in Cygnus. DETAILS: Takahashi Epsilon-180ED astrograph and QHY11 CCD camera used with Chroma Hα, S II, and O III filters. Total exposure: 9 hours. Dario Giannobile An eruption of Sicily's Mount Etna on March 16, 2017, provided a Dantean foreground for this time-lapse composite showing circumpolar stars in Cepheus and a moonlit landscape. DETAILS: Canon EOS 7D DSLR at ISO 400 and 70-to-200-mm zoom lens at 200 mm. Individual exposures: 25 seconds. * Gallery showcases the finest astronomical images submitted to us by our readers. Send your best shots to gallery@skyandtelescope.com. See skyandtelescope.com/aboutsky/guidelines. 74 A U G U S T 2 0 1 7 * SK Y & TELESCOPEhttp://www.skyandtelescope.com/aboutsky/guidelines