▴ SILENT SENTINEL Antonio Peña A 16th-century watchtower in the mountains near Madrid, Spain, accompanies concentric arcs from the northern sky's circumpolar stars. Details: Canon EOS 70D DSLR camera with 8-mm fisheye lens. Total exposure: 50 minutes. Flashlights used to illuminate the foreground and tower interior. ◀ LUNAR ECLIPSE DOWN UNDER Dean Hooper On April 4th, two weeks after a total solar eclipse, the Moon plunged through Earth's umbra and was itself eclipsed. This inverted view shows what Australians saw. Details: Meade 8-inch LX90 Schmidt-Cassegrain telescope with f/6.3 focal reducer and Nikon D3100 DSLR camera at ISO 200. Exposure: 2 seconds. ✦ V Visit SkyandTelescope.com/gallery for more of our readers' astrophotos. o Sk yandTelescope.com July 2015 79http://www.SkyandTelescope.com/gallery http://www.SkyandTelescope.com