GALLERY S SAGIT TARIAN TRIPLET S DESERT SOLITUDE Alistair Symon Three emission nebulae in Sagittarius, including M20 (top right), M8 (right), and NGC 6559 (left), appear to be interconnected sections of the same immense cloud of gas and dust in this deep narrowband color composite. DETAILS: Takahashi FSQ-106ED refractor with SBIG STXL-11002 CCD camera. Total exposure: 6 hours through narrowband filters. Amirreza Kamkar Constellations of the winter Milky Way, including Canis Major (left), Monoceros (top left), and Orion (upper right), arch high above Dasht-e Lut in eastern Iran. Several large nebulae are visible, including the crescent of Barnard's Loop in Orion. DETAILS: Canon EOS 6D DSLR with Sigma Art lens at f/2.2. Total exposure: 15 seconds at ISO 5000. Gallery showcases the finest astronomical images that our readers submit to us. Send your best shots to gallery@skyandtelescope.org. See skyandtelescope.org/aboutsky/guidelines. Visit skyandtelescope.org/gallery for more of our readers' astrophotos. 78 FEBRUARY 2 021 * SK Y & TELESCOPEhttp://www.skyandtelescope.org/gallery http://www.skyandtelescope.org/aboutsky/guidelines