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This 1.25in filter consists of two joined polarized filters that provide continuously from about 2% to 40% as the rotating filter is adjusted. Great for lunar viewing without ruining your dark adaptation from staring at a bright image.

A small but very useful adaptor. If you have any Astronomik clip filter, this handy adaptor allows you to use these on any 2" eyepiece using the filter thread on the bottom.

Serves as a low cost "quick-start" reference style handbook for imaging with DSLR cameras and webcams

The Aux Port Splitter from Celestron is an accessory for computerized telescope mounts. Note: You need one of these when connecting a Celestron StarSense to a Celestron CG-5 GT mount.

FireCel provides convenient, portable power for cell phones, tablets, MP3 players and other USB rechargeable devices. Additional features include a red LED flashlight to preserve night vision and electronic hand warmer to supply heat in chilly conditions.

The Celestron Piggyback Mount is a great accessory for all observers interested in deep-sky astrophotography. This mount allows you to attach your camera, with its lens, to the top of the telescope. Its unique design also allows you to fit your NexStar telescope's Star Pointer on top of the Piggyback so that you can accurately navigate your telescope and conduct astrophotography at the same time.

Celestron Sky Maps are the ideal teaching guide for learning the night sky. You wouldn’t set off on a road trip without a road map, and you don’t need to try to navigate the night sky without a map either. Even if you already know your way around the major constellations, these maps can help you locate all kinds of fascinating objects.

When you want to selectively reduce the brightness of celestial objects for a customized view, the Variable Polarizing Filter is the perfect choice. Unlike regular Moon Filters and Neutral Density Filters, the level of brightness can be reduced to just 1% or as much as 40%.

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 quasars.

High quality counterweight carrying case with high density polystyrene packaging included to hold your counterweights in place whilst in storage or transport.

A high quality made wooden eyepiece tray to fit on the EQ6 mounts. This handy accessory will hold 5 1.25" eyepieces and 3 2" eyepiece. Fits easily onto the EQ6 mount. No more dropping eyepieces in the dark!

How do you get the best from your telescope? For those interested in photographing the Sun, Moon and planets, this volume provides a detailed reference. Originally published in 1995 and updated in 2011, this guide is packed with practical tips on how to obtain the highest resolution in your astrophotography, and provides a wealth of stunning images by highly talented amateurs showing just what can be achieved.

This upgrade kit modifies the declination clutch system on Meade telescopes. When installed, lightly tightening the clutch knob with two fingers is all that is required to hold even the most unbalanced scope firmly in position.

A decent power supply is key for computerized GOTO telescopes. Available in both 3 amp and 5 amp 12v mains supply so it will suit all GOTO telescopes no matter what size.

This very useful adaptor screws into cameras with a C mount fitting. Then the adaptor will screw onto the popular T threads for all sorts of applications.