GALLERY X SIGNS OF ACTIVIT Y Bryan Goff A massive prominence towers over the Sun's southwestern limb in this image taken on July 4th. DETAILS: Coronado Solarmax III 70mm Solar Telescope with ZWO ASI174MM high-speed video camera. Stack of 125 frames. T PERSEID HILLS Jeff Dai Several bright Perseid meteors appear to converge towards the antipodal point of the shower radiant behind the colorful sandstone hills in the Zhangye Danxia Geopark in the Chinese province of Gansu. Jupiter appears near the center of the image, with fainter Saturn to its upper left. DETAILS: Canon EOS 6D Mark II DSLR camera with 16-to-35-mm lens at 16-mm. Composite of 5 exposures, each totaling 15 seconds at ISO 3200. Gallery showcases the finest astronomical images 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. 76 DECEMBER 2 02 0 * SK Y & TELESCOPEhttp://www.skyandtelescope.org/aboutsky/guidelines http://www.skyandtelescope.org/gallery