GALLERY X CR ATER CLOSE-UP Scott Gauer Copernicus is one of the youngest large craters visible on the Moon, having formed less than a billion years ago. Several peaks protrude from its center, the tallest rising roughly a kilometer above the crater floor. DETAILS: Celestron EdgeHD 14-inch Schmidt-Cassegrain with ZWO ASI290MM CMOS video camera. Stack of 3,000 video frames. T THE HEART NEBUL A Fabian Rodriguez Frustaglia IC 1805 is an emission nebula that adorns the Perseus arm of the Milky Way about 7,500 lightyears away in Cassiopeia. The smaller nebula NGC 896 (lower left) resembles the head of a fish. DETAILS: Meade 115mm Series 6000 ED Triplet APO refractor with ZWO ASI1600MM camera. Four-panel mosaic totaling 24 hours of exposure through Astrodon narrowband filters. 74 JUNE 2 021 * SK Y & TELESCOPE