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Celestron CGE Pro 1100 Manual

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NOTE: Just like with Quick-Align, you can use the Re-alignment feature (see below) to improve your telescopes pointing
accuracy after using the
Last Alignment method. To maintain a more accurate alignment over a series of observing sessions,
use the
Hibernate feature described later in this chapter.
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The telescopes has a re-alignment feature which allows you to replace any of the original alignment stars with a new
star or celestial object. This can be useful in several situations:
If you are observing over a period of a few hours, you may notice that your original two alignment stars have
drifted towards the west considerably. (Remember that the stars are moving at a rate of 15º every hour).
Aligning on a new star that is in the eastern part of the sky will improve your pointing accuracy, especially on
objects in that part of the sky.
If you have aligned your telescope using the Quick-Align method, you can use re-align to align on actual objects
in the sky. This will improve the pointing accuracy of your telescope without having to re-enter addition
information.
If you have used the computer assisted polar alignment method and have manually moved the mount, it may be
necessary to re-align the mount for improved pointing accuracy.
To replace an existing alignment star with a new alignment star:
1. Select the desired star (or object) from the database and slew to it.
2. Carefully center the object in the eyepiece.
3. Once centered, press the UNDO button until you are at the main menu.
4. With
CGE PRO Ready displayed, press the ALIGN key on the hand control to select Alignment Stars from the list
of options
5. The display will then ask you which alignment star you want to replace. Use the UP and Down scroll keys to select
the alignment star to be replaced. It is usually best to replace the star closest to the new object. This will space out
your alignment stars across the sky.
6. Press ALIGN to make the change.
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Selecting an Object
Now that the telescope is properly aligned, you can choose an object from any of the catalogs in the telescope's extensive
database. The hand control has a key (4) designated for each of the catalogs in its database. There are two ways to select
objects from the database: scrolling through the named object lists and entering object numbers.
Pressing the LIST key on the hand control will access all objects in the database that have common names or types. Each list is
broken down into the following categories: Named Stars, Named Object, Double Stars, Variable Stars, Asterisms and CCD
Objects. Selecting any one of these catalogs will display a numeric-alphabetical listing of the objects under that list. Pressing
the Up and Down keys (10) allows you to scroll through the catalog to the desired object.
When scrolling through a long list of objects, holding down either the Up or Down key will allow you to scroll
through the catalog more rapidly by only displaying every fifth catalog object.
Pressing any of the other catalog keys (M, CALD, NGC, or STAR) will display a blinking cursor below the name of the
catalog chosen. Use the numeric key pad to enter the number of any object within these standardized catalogs. For example,
to find the Orion Nebula, press the "M" key and enter "042".
Helpful
Hint
… 22 …


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