Cosmic ChallengeWritten 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

Sky-Watcher includes an illuminated polar finderscope to aid the polar alignment process

To solve the above issues

WARNING: The filters of Optolong are not designed for sun observation

For DSLR prime focus astrophotography just combine this adapter with the correct camera T-ring for your camera

Tripod Weight: 7

open star clusters like the Pleiades

which will now achieve double the magnification with the addition of the Barlow

You would be BLIND if you fail to observe the warning

Rubber eyecups are included for viewing comfort and to exclude extraneous light

Covington explains how your equipment works as well as offering advice on many practical considerations

Magnification (with eyepiece supplied): x48 & X120

Easier to notice and correct tracking errors