Manual Celestron CPC Deluxe 800 HD - 11007 (page 12 of 50) (English)

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• Don’t worry about confusing planets for stars when selecting

alignment objects. SkyAlign works with the four brightest planets

(Venus, Jupiter, Saturn and Mars) as well as the Moon. In addition

to the planets, the hand control has over 80 bright alignment stars

to choose from (down to 2.5 magnitude).

• Rarely SkyAlign will not be able to determine what three alignment

objects were centered. This sometimes happens when a bright

planet or the Moon passes near one of the brighter stars. In situations

like these, it is best to try to avoid aligning to either object if possible.

• For the best possible pointing accuracy, always center the

alignment stars using the same nal movements as the direction of

the GoTo Approach (by default this will be using the up arrow button

and the right arrow button). Approaching the star from this

direction when looking through the eyepiece will eliminate much

of the backlash between the gears and assure the most accurate

alignment possible.

Auto Two-Star Align

As with SkyAlign, Auto Two-Star Align downloads all the necessary time/

site information from orbiting GPS satellites. Once this information is

received, the CPC will prompt you to slew the telescope and point at

one known star in the sky. The CPC now has all the information it needs

to automatically choose a second star that will assure the best possible

alignment. Once selected, the telescope will automatically slew to the

second alignment star to complete the alignment. With the CPC set up

outside with all accessories attached and the tripod leveled, follow the

steps below to align the telescope:

1. Once the CPC is powered on, Press ENTER to begin alignment.

2. Use the Up and Down scroll keys (10) to select Auto Two-Star Align

and press ENTER.

3. The hand control will display the last time and location information

that was entered or downloaded from the GPS. Use the Up and

Down buttons to scroll through the information. Press ENTER to

accept the downloaded information or press UNDO to manually

edit the information.

4. The display will now prompt you to select a bright star from the

displayed list on the hand control. Use Up and Down buttons (6 and 9

on the keypad) to scroll to the desired star and then press ENTER.

5. Use the arrow buttons to slew the telescope to the star you selected.

Center the star in the crosshairs of the nderscope and press ENTER.

Finally, center the star in the eyepiece and press ALIGN.

6. Based on this information, the CPC will automatically display the most

suitable second alignment star that is above the horizon. Press ENTER

to automatically slew the telescope to the displayed star. If for some

reason you do not wish to select this star (perhaps it is behind a tree

or building), you can either:

• Press the UNDO button to display the next most suitable star

for alignment.

• Use the UP and DOWN scroll buttons to manually select any star

you wish from the entire list of available stars.

Once the desired star is displayed, press ENTER to automatically slew

the telescope to the displayed star. When nished slewing, the display

will ask you to use the arrow buttons to align the selected star with the

cross hairs in the center of the nderscope. Once centered in the nder,

press ENTER. The display will then instruct you to center the star in the

eld of view of the eyepiece. When the star is centered, press ALIGN to

accept this star as your second alignment star. When the telescope has

been aligned to both stars the display will read Alignment Success, and

you are now ready to nd your rst object.

Two-Star Alignment

With the two-star alignment method, the CPC requires the user to know

the positions of two bright stars in order to accurately align the telescope

with the sky and begin nding objects. Here is an overview of the two-

star alignment procedure:

1. Once the CPC is powered on, use the UP and DOWN scroll keys (10) to

select Two-Star Align, and press ENTER.

2. Press ENTER to accept the time/site information displayed on the

display, or wait until the telescope has downloaded the information

from the GPS satellites.

3. The SELECT STAR 1 message will appear in the top row of the display.

Use the UP and DOWN scroll keys (10) to select the star you wish to

use for the rst alignment star. Press ENTER.

4. CPC then asks you to center in the eyepiece the alignment star you

selected. Use the direction arrow buttons to slew the telescope to the

alignment star and carefully center the star in the nderscope. Press

ENTER when centered.

5. Then, center the star in the eyepiece and press ALIGN

In order to accurately center the alignment star in the eyepiece,

you may wish to decrease the slew rate of the motors for ne

centering. This is done by pressing the RATE key (11) on the hand

controller then selecting the number that corresponds to the

speed you desire. (9 = fastest, 1 = slowest).

6. CPC will then ask you to select and center a second alignment star

and press the ALIGN key. It is best to choose alignment stars that are

a good distance away from one another. Stars that are at least 40º to

60º apart from each other will give you a more accurate alignment

than stars that are close to each other.

Once the second star alignment is completed properly, the display will

read Alignment Successful, and you should hear the tracking motors

turn-on and begin to track.

One-Star Align

One-Star Align allows you to download all the same information as you

would for the Two-Star Align procedure. However, instead of slewing to

two alignment stars for centering and alignment, the CPC uses only one

star to model the sky based on the information given. This will allow you

to roughly slew to the coordinates of bright objects like the Moon and

planets and gives the CPC the information needed to track objects in

altazimuth in any part of the sky.

To use One-Star Align:

1. Select One-Star Align from the alignment options.

2. Press ENTER to accept the time/site information displayed on the

display, or wait until the telescope has downloaded the information

from the GPS satellites.

3. The SELECT STAR 1 message will appear in the top row of the display.

Use the Up and Down scroll keys (10) to select the star you wish to use

for the rst alignment star. Press ENTER.

4. The CPC then asks you to center in the eyepiece the alignment star

you selected. Use the direction arrow buttons to slew the telescope

to the alignment star and carefully center the star in the nderscope.

Press ENTER when centered.

5. Then, center the star in the eyepiece and press ALIGN

6. Once in position, the CPC will model the sky based on this information

and display Alignment Successful.

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Celestron CPC Deluxe 800 HD - 11007 Manual

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