Cosmic Challenge 20135 This unique guidebook to the

This unique guidebook to the night sky shows you how to observe a host of celestial wonders

The new Celestron PowerTank Glow 5000 is an essential 2-in-1 accessory for any amateur astronomer

The bottom of the phone can be as much as 160mm from the center of the camera on the phone

Only about 30% storage space required compared to the Color data format

Length 240mm + 180mm

Cosmic Challenge 20135 This unique guidebook to theWritten by Philip S Harrington, 478 pages, paperback Listing more than 500 sky targets, both near and far, in 187 challenges, this observing guide will test novice astronomers and advanced veterans alike. Its unique mix of Solar System and deep sky targets will have observers hunting for the Apollo lunar landing sites, searching for satellites orbiting the outermost planets, and exploring hundreds of star clusters, nebulae, distant galaxies, and