GALLERY p SIGHTSEEING IN NORTH AMERICA Joshua Rhoades Telescopic observers wish the iconic North America Nebula (NGC 7000), 1,600 light-years away in Cygnus, looked as glorious visually as it does in color images. DETAILS: Stellarvue SV80 Access apochromatic refractor, modiļ¬ed Canon EOS T3i DSLR camera used at ISO 800. Total exposure: 1.5 hours. u THE CYGNUS WALL Terry Hancock Within the North America Nebula is a dense zigzag of interstellar gas and dust where stars are forming. This cosmic wall spans about 20 light-years. DETAILS: Takahashi FSQ-130ED apochromatic astrograph and QHY367C CMOS camera. Total exposure: 60 minutes. Visit skyandtelescope.com/gallery for more of our readers' astrophotos. 74 JA N UA RY 2 018 * SK Y & TELESCOPEhttp://www.skyandtelescope.com/gallery