2,477 OBJECTS: Do the Herschel Hustle TWIRLING THROUGH SPACE: Scopes That Spin WORKBENCH: Make a Bucket Scope PAGE 30 PAGE 20 PAGE 68 THE ESSENTIAL GUIDE TO ASTRONOMY The Inconstant North Star What We Do & Don't Know About Polaris PAGE 14 MARCH 2019 skyandtelescope.com Building Muddy Run Observatory TEST REPORT: Daystar's Solar Scout 60 How Far Are the Pleiades? PAGE 62 PAGE 58 PAGE 26http://www.skyandtelescope.com