Big Scope Operators: BEHIND THE SCENES p. 22 Antique Revival: RESTORING Test Report: SKY-WATCHER'S LOWELL'S 24-INCH SCOPE p. 34 QUATTRO NEWTONIAN p. 60 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 The Spiral Arms of Spring p. 28 Use Video to Share the Deep Sky p. 66 MARCH 2016 Jupiter's Shrinking Great Red Spot p. 18 Galaxy Swarm in the Beehive Cluster p. 57 How to Spot Super-thin Crescent Moons p. 52 Visit SkyandTelescope.comhttp://www.SkyandTelescope.com