Celestron CGEM 1100 HD Computerized Telescope CGEM Series Manual - Page 54
Flashlight, Night Vision - #93588, Light Pollution Reduction LPR Filters, Micro Guide Eyepiece #
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Series 2 - #94119-20 Deep Yellow, Red, Light Green, ND25% T (#s 12, 25, 56, 96ND-25) Series 3 - #94119-30 Light Red, Blue, Green, ND50% T (#s 23A, 38A, 58, 96ND-50) Series 4 - #94119-40 Yellow, Deep Yellow, Violet, Pale Blue (#s 8, 47, 82A, ND96-13) Flashlight, Night Vision - (#93588) - Celestron's premium model for astronomy, using two red LED's to preserve night vision better than red filters or other devices. Brightness is adjustable. Operates on a single 9 volt battery (included). CN16 GPS Accessory (#93968) - Plug in this 16-channel GPS module into your telescopes drive base port to link up and automatically download information from one of many global positioning satellites. Controlled with the computerized hand control, the CN-16 will greatly improve the accuracy of your star alignments. Light Pollution Reduction (LPR) Filters - These filters are designed to enhance your views of deep sky astronomical objects when viewed from urban areas. LPR Filters selectively reduce the transmission of certain wavelengths of light, specifically those produced by artificial lights. This includes mercury and high and low pressure sodium vapor lights. In addition, they also block unwanted natural light (sky glow) caused by neutral oxygen emission in our atmosphere. Celestron offers a model for 1-1/4" eyepieces (#94123) and a 2" eyepieces.(#94124). Micro Guide Eyepiece (#94171) - This multipurpose 12.5mm illuminated reticle can be used for guiding deep-sky astrophotos, measuring position angles, angular separations, and more. The laser etched reticle provides razor sharp lines and the variable brightness illuminator is completely cordless. The micro guide eyepiece produces 163 power with the C8 and 188 power with the C9.25. Polarizing Filter Set (#93608) - The polarizing filter set limits the transmission of light to a specific plane, thus increasing contrast between various objects. This is used primarily for terrestrial, lunar and planetary observing. Polar Axis Finderscope (#94224) - This useful accessory speeds accurate polar alignment by providing a means of visually aligning your German equatorial mount with Polaris and true north. As a result, you can spend more time observing and less time setting up. The finderscope has an easy to use laser etched reticle. PowerTank (#18774) - 12v 7Amp hour rechargeable power supply. Comes with two 12v output cigarette outlets, built-in red flash light , Halogen emergency spotlight. Switchable 110v/220v AC adapter and cigarette lighter adapter included. PowerTank (#18777) - For your heavy duty power requirements try this 12v 17Amp hour rechargeable power supply. Comes with two 12v output cigarette outlets, built-in red flash light and raido , Halogen emergency spotlight. Switchable 110v/220v AC adapter and cigarette lighter adapter included. Radial Guider (#94176) - The Celestron Radial Guider® is specifically designed for use in prime focus, deep sky astrophotography and takes the place of the T-Adapter. This device allows you to photograph and guide simultaneously through the optical tube assembly of your telescope. This type of guiding produces the best results since what you see through the guiding eyepiece is exactly reproduced on the processed film. The Radial Guider is a "T"-shaped assembly that attaches to the rear cell of the telescope. As light from the telescope enters the guider, most passes straight through to the camera. A small portion, however, is diverted by a prism at an adjustable angle up to the guiding eyepiece. This guider has two features not found on other off-axis guiders; first, the prism and eyepiece housing rotate independently of the camera orientation making the acquisition of a guide star quite easy. Second, the prism angle is tunable allowing you to look at guide stars on-axis. This accessory works especially well with the Reducer/Corrector. 54