Manual Celestron CPC Deluxe 800 HD - 11007 (page 11 of 50) (English)

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the telescope can create a model of the sky, which it uses to locate any

object with known coordinates. There are many ways to align the CPC

with the sky depending on what information the user is able to provide:

 uses the internal GPS receiver to acquire all the necessary time/

site information needed for the CPC to create an accurate model of the

sky. Then the user can simply point the telescope to any three bright

celestial objects to accurately align the telescope with the sky.

 will ask the user to choose and center the rst alignment

star, then the CPC will automatically select and slew to a second star

for alignment.  requires the user to identify and

manually slew the telescope to the two alignment stars. 

is the same as Two-Star Align; however, it only requires you to align

to one known star. Although not as accurate as the other alignment

methods, One-Star Align is the quickest way to nd and track bright

planets and objects in Altazimuth mode.  will display

a list of visible daytime objects (planets and the Moon) available to align

the telescope. Finally,  alignments are designed

to assist you in aligning the CPC when polar aligned using an equatorial

wedge. Each alignment method is discussed in detail below.

“Altazimuth” or “Alt-Az” refers to a type of mounting that allows

a telescope to move in both altitude (up and down) and azimuth

(left and right) with respect to the ground. This is the simplest

form of mounting in which the telescope is attached directly to a

tripod without the use of an equatorial wedge.

SkyAlign

SkyAlign must be used with the telescope mounted in altazimuth. With

SkyAlign, the GPS receiver links with and acquires information from 3 of

the orbiting GPS satellites. With this information, the built-in GPS system

calculates the scope’s location on Earth with an accuracy of a few meters

and calculates universal time down to the second. After quickly making

all these calculations and automatically entering the information for you,

the user simply needs to aim the telescope to any three bright celestial

objects in the sky. Since SkyAlign requires no knowledge of the night sky,

it is not necessary to know the name of the stars that you are aiming at.

You may even select a planet or the Moon. The CPC is then ready to start

nding and tracking any of the objects in its 40,000+ object database.

Before the telescope is ready to be aligned, it should be set up in an

outside location with all accessories (eyepiece, diagonal and nderscope)

attached and lens cover removed as described in the Assembly section of

the manual. To begin SkyAlign:

1. Power on the CPC by ipping the switch located on the control panel

of the drive base to the “on” position. Once turned on, the hand

control display will say CPC Ready. Press ENTER to choose SkyAlign

or use the UP/DOWN scroll keys (10) to select a dierent method of

alignment. Pressing the ALIGN key will bypass the other alignment

options and the scrolling text and automatically begins Sky Align.

2. Once Sky Align has been selected, the hand control will display “Enter

if OK”, “Undo to Edit” and “GPS Linking”. The bottom line of the LCD

will display either the current time or the time when you last used the

telescope. The GPS will quickly link up and display the current date,

time and location. Additionally, you have the option of pressing UNDO

and manually updating the time/site information. Press ENTER to

accept the time/site information downloaded from the GPS.

3. The hand control will display a message reminding you to level the

tripod if you already haven’t done so. Press ENTER to continue.

4. Use the arrow buttons on the hand control to slew (move) the

telescope towards any bright celestial object in the sky. Center the

object in the crosshairs of the nderscope and press ENTER.

5. If the nderscope has been properly aligned with the telescope tube,

the alignment star should now be visible inside the eld of view of the

eyepiece. The CPC will ask that you center the bright alignment star

in the center of the eyepiece and press the ALIGN button. This will

accept the star as the rst alignment position. (There is no need to

adjust the slewing rate of the motors after each alignment step. The

CPC automatically selects the best slewing rate for aligning objects in

both the nderscope and the eyepiece).

6. For the second alignment object, choose a bright star or planet as far

as possible from the rst alignment object. Once again use the arrow

button to center the object in the nderscope and press ENTER. Then

once centered in the eyepiece, press the ALIGN button.

7. Repeat the process for the third alignment star. When the telescope

has been aligned to the nal stars, the display will read Match

Conrmed. Press UNDO to display the names of the three bright

objects you aligned to, or press ENTER to accept these three objects

for alignment. You are now ready to nd your rst object.

A Few Words on GPS:





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

Tips for Using SkyAlign

Remember the following alignment guidelines to make using SkyAlign

as simple and accurate as possible.

• Be sure to level the tripod before you begin alignment. The time/

site information along with a level tripod will help the telescope

better predict the available bright stars and planets that are above

the horizon.

• Remember SkyAlign does not care where the optical tube is

pointed at the beginning of the alignment. So to make the

alignment process even faster, it is acceptable to move the

telescope to the rst alignment star manually by loosening both

clutches. However the following alignment stars still need to be

found and centered using the hand control.

• Remember to select alignment stars that are as far apart in the sky

as possible. For best results, make sure that the third alignment

star does not lie in a straight line between the rst two stars. This

may result in a failed alignment.

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Celestron CPC Deluxe 800 HD - 11007 Manual

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