◀ SCORPION'S BUTTERFLY Dan Crowson Messier 6, the Butterfly Cluster, is a big, bright collection of young stars that flits near the tail of Scorpius and flirts with naked-eye visibility on very dark nights. The dominant orange star is BM Scorpii. Details: Astro-Tech AT90EDT apochromatic refractor, SBIG ST-8300M CCD camera, and LRGB filters. Total exposure: 4 hours. ▾ FULL MOON AT NIGHTFALL Amir Shahcheraghian Dal Khani Forest in northern Iran was the setting for this dramatic moonrise on April 21, 2016, with Earth's shadow (fringed by its pink-hued Belt of Venus) welling up from the eastern horizon. Details: Canon EOS 6D modified DSLR camera at ISO 500 and 28-to-75-mm zoom lens used at 68 mm. Exposure: ⅙ 40 second. Visit SkyandTelescope.com/gallery V ffor o more of our readers' astrophotos. Sk yandTelescope.com October 2016 75http://www.SkyandTelescope.com/gallery http://www.SkyandTelescope.com