Celestron Skymaps and PlanisphereLearn the night skies of the Northern Hemisphere with Celestron Sky Maps! This classic collection of seasonal star charts, topped off by a glow in the dark luminous star finder, or planisphere, has been around for years and years! It continues to be so popular because beginning stargazers as well as seasoned amateur astronomers find that this book provides most everything they need to find constellations quickly and delve into seasonal night sky

Transmission: 135:1 Worm Drive + 36:12 Timing Belt Drive + 64 Micro-Step/1

Robust Shock-Resistant Rubber Armoured Body

FOCAL LENGTH: 2032 mm

Focal Ratio: F/13

Detail Explosion: Late into the night we selected the globular cluster M13 from the hand-controller

this mount has Polar Alignment Software

Skywatcher Startravel-102/120/150

Focus mechanism — At the heart of Celestron's Schmidt-Cassegrain focus mechanism are pre-loaded ball bearings

11-inch EdgeHD optical tube provides stunning views and sharp astroimages free of visual defects

Threaded for 1

Baader Classic Ortho eyepieces (HT-multicoated) with winged rubber eyecup

fully multicoated f/6