Handleiding Celestron CGX-L EQUATORIAL (pagina 8 van 140) (Duits, Engels, Frans, Italiaans, Spaans)

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8 | ENGLISH

4. Using the direction keys, center the star in the eyepiece of

your telescope and press ALIGN.

5. Select a second star from the list and repeat the process

from steps 2-4. When prompted to add a Calibration Star,

you can either press BACK to complete the alignment, or

for best results, proceed to add a calibration star.

For best results, add at least one Calibration Star. This

will improve the pointing accuracy of your mount.

6. When prompted to “Add Calibration Star”, choose a star

from the list and press ENTER. The mount will slew to the

other side of the meridian to add a calibration star.

7. Center the star in the viewﬁnder and press ENTER, then

center the star in your eyepiece and press ALIGN.

8. When prompted to add another calibration star, you may

continue to add more, or press BACK to complete the

alignment.

Selecting Objects

Select from the object database categorized by Solar

System, Stars, or Deep Sky. Within these menus (on

keypad numbers 1, 2, and 3), you can select by object

name or popular catalog number (such as M42 for

Messier 42).

Keypad 6 and 9 (up and down) allows you to scroll

through any list in the hand control. Press ENTER to go

to the selected object the list.

Example of selecting and slewing to Messier M42 deep

sky object:

• Press DEEP SKY then ENTER

• Scroll down (keypad 9) to Messier and press ENTER

• Press “0-4-2” on the keypad and press ENTER

The SkyTour (keypad 5) is a great way to explore the sky

without consulting a star chart. The Tour function will

generate a list of the most interesting objects to observe

for your time and location.

Figure 8 Polar alignment adjustment

Attach the Hand Control Holster

Wrap the hook & loop strap and holster around the tripod

leg and place the hand control in the holster.

Plug in the Hand Control

Plug the supplied NexStar+ hand control into one of the

Aux ports.

Warning: Do not plug the hand control into the

Autoguide Port. Damage to the mount or hand control

could occur. Similarly, do not plug an autoguider cable

into the Aux port or damage could occur.

Home Position

The mount is in the “home” position when the counterweight

shaft is pointing downward, and the telescope is pointing

along the polar axis of the mount as pictured in (Figure 7).

The mount’s internal switches will take the mount to its

home position when you power it on (more on that in

“Basic Usage”), but you can still manually position it before

powering on the mount. Simply unlock the two lock levers,

and move the telescope to the desired position.

Polar Align the Mount

The computerized go-to is capable of locating objects

even if the mount is not perfectly polar aligned. However,

polar alignment is necessary to achieve the best

tracking accuracy of your mount, and it’s essential to

astrophotography. When polar aligned, an Equatorial mount

tracks the sky in one motion, keeping the object centered in

the eyepiece or camera.

CGX-L’s polar alignment system consists of an altitude

adjuster and azimuth adjuster (Figure 8).

An optional polar alignment scope is available from Celestron

and attaches to the mount. The optional polar axis scope

does not pass through the R.A. axis because that area is used

for internal cabling. If you are not using the optional polar

alignment scope, you can achieve a rough polar alignment

by sighting through the viewﬁnder of your telescope, and

adjusting the mount until you center Polaris in the eyepiece

of your telescope. This will get you to within about three-

quarters of a degree within the North Celestial Pole (NCP).

Basic Usage

With your mount assembled and polar aligned, proceed to

startup the mount:

Powering the Mount

The CGX-L mount can be powered by the supplied car

battery adapter to a 12VDC battery source that can deliver

at least 3 amperes of current. Or you may use an optional

AC adapter that delivers at least 3 amperes of current.

AC power adapters with threaded barrel connectors are

available from Celestron.

Figure 7 Telescope in the home position

Altitude

Adjustment Knobs

Altitude

Lock Knobs

Azimuth

Adjustment Knobs

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