Mercury Transit: FIRST TIME Adaptive Optics: UNTWINKLING THE STARS p. 30 TO SEE IN A DECADE p. 38 Test Report: THE MEADE LX600-ACF SYSTEM T H E E S S E N T I A L G U I D E TO A S T R O N O M Y Ancient Origins of Classical Constellations p. 24 MAY 2016 One Perfect Night GALAXY REVELATIONS FROM THE DESERT p. 18 Dive Deeper into Hi-Res Lunar Imaging p. 66 Shoot the Moon with Your Smartphone p. 52 p. 58