Celestron CGX Equatorial Handleiding

Celestron Niet gecategoriseerd CGX Equatorial

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POLAR AXIS FINDERSCOPE CGX & CGX-L

INSTRUCTION SHEET

Model # 94239

What’s in the Box?

• Polar ﬁnderscope and bracket

• Plastic dust covers for both ends of ﬁnderscope

• Dovetail mounting bracket (attached to base

of bracket)

• Hex head screws (x2)

• Hex keys (x4)

• Phillips screwdriver

Solar Warning

• Never look directly at the Sun with the naked eye

or with a telescope (unless you have the proper

solar ﬁlter). Permanent and irreversible eye damage

may result.

• Never use your telescope to project an image of

the Sun onto any surface. Internal heat build-up

can damage the telescope and any accessories

attached to it.

• Never use an eyepiece solar ﬁlter or a Herschel

wedge. Internal heat build-up inside the telescope

can cause these devices to crack or break, allowing

unﬁltered sunlight to pass through to the eye.

• Do not leave the telescope unsupervised, either

when children are present or adults who may not

be familiar with the correct operating procedures of

your telescope.

Installing the Polar Finder

1. Loosen the two thumb knobs on the base of the

ﬁnderscope and slide the dovetail base plate off

the bottom of the ﬁnder bracket.

2. Locate the polar ﬁnder bracket mount on the

CGX or CGX-L mount. This will be a rectangular

plate located on the right-side mount’s Right

Ascension axis, just below the declination motor

housing. Remove the two Phillips head screws

and the cover plate.

3. Install the dovetail bracket into these holes using

the two hex head screws provided with packaging.

Make sure the thinner part of the dovetail bracket is

facing the north side of the mount with the broader

side facing south.

4. Slide the polar ﬁnder and bracket assembly onto the

dovetail mount and tighten the two thumb knobs to

secure it in place.

5. The position of the polar ﬁnder can be adjusted to

make the polar ﬁnder more easily accessible. To

do this, loosen the large hand knob in the middle

of the bracket, set the angle of the ﬁnder to the

desired position and tighten the knob.

Focusing the Polar Finderscope

To focus the ﬁnderscope, simply look through the

ﬁnderscope and rotate the eyepiece clockwise or

counterclockwise until the reticle is sharp.

Aligning the Polar Finderscope

Before the polar ﬁnderscope can be used, you must

align the ﬁnderscope with the mechanical polar axis

of your CGX or CGX-L mount.

1. Set the mount up during the day, but without the

counterweight bar, counterweight or telescope

tube.

2. Locate a stationary object at least ¼ mile away or

as far away as possible.

3. Loosen the Right Ascension clutch lever and

rotate the mount in R. A. until you reach one of

the hard stops.

4. Center your chosen object in the crosshairs of the

polar ﬁnderscope reticle using the latitude and

azimuth adjustment knobs on the mount. These

are the knobs which you would normally use for

polar alignment.

5. Rotate the mount 180° in R.A. and tighten the

clutch levers.

6. Look through the ﬁnderscope for your target.

If the crosshair reticle is still on the same target after

the rotation, no further adjustment is required. If

the crosshairs have moved off your target, you will

need to adjust the three knobs surrounding the

ﬁnderscope’s objective lens.

1. Without moving the equatorial mount, start by

backing off the three hex head screws recessed

in the finder bracket next to the three finder

adjustment knobs.

2. Loosen one of the ﬁnder adjustment knobs by a

half turn, then tighten one or both of the remaining

ﬁnder adjustment knobs to keep even pressure on

the ﬁnderscope. As you adjust the knobs, the aiming

point of the ﬁnderscope will shift slightly.

3. Move the crosshairs back towards the target, but

do not center the crosshairs over the target.

Instead, only move the crosshairs halfway back

toward the target.

4. Gently tighten the three recessed hex head

screws until they are snug. Do not overtighten.

5. Use the latitude and azimuth adjustment knobs on

the equatorial mount to re-center the crosshairs

on your distant target.

6. Unlock the R.A. clutch knob on the mount and

rotate the mount 180° back the other direction.

7. Look through the ﬁnderscope for your target.

8. The alignment should be close. Repeat this procedure

as necessary until the crosshair stays on target

after rotating the mount 180°.

While a daytime alignment is easier, it is possible to

do this alignment at night. Simply use Polaris as your

target to center the crosshairs of the ﬁnderscope.

NOTE: You should only need to do this alignment

procedure once, unless the ﬁnderscope is

bumped or dropped. Your polar ﬁnderscope is

mounted to the CGX or CGX-L mount using a

dovetail bracket that will allow you to attach and

remove the ﬁnderscope for storage or travel. It

should maintain its alignment with repeated use.

If you adjust the angle of the finder bracket arm

after aligning the finder, you may want to check

the alignment once again before use to verify

the finder is still aligned to the polar axis of

the mount.

Alignment Knobs

Objective Lens

Eyepiece &

Focuser

Using the Polar Finder

1. Setup your mount outside at night, as you

normally would, for observing. Adjust the polar

axis of your CGX or CGX-L mount so the latitude

scale on the side of the mount is close to the latitude

of your observing site. Orient the mount so your

polar axis is roughly facing north. Use a compass

if necessary.

2. Remove the caps from the eyepiece and objective

lenses of the ﬁnderscope and look through the

polar ﬁnderscope.

3. The polar alignment reticle contains representations

of the constellations Cassiopeia, Octans, the Big

Dipper asterism, the North Celestial Pole (NCP) and

Polaris. While the constellations and the Big Dipper

are not in scale, they do show their correct relative

positions to the Celestial Pole.

4. For Northern Hemisphere observers, rotate the

ﬁnderscope within its bracket until Cassiopeia

and the Big Dipper match their current orientation

in the sky when seen with the unaided eye. Use

the latitude and azimuth polar adjustment knobs

on your mount until Polaris in the small circle labeled

“Polaris” in the reticle.

For Southern Hemisphere observers, rotate the reticle

until the stars of Octans match their orientation of the

reticle. Use the latitude and azimuth polar adjustment

knobs on your mount until the stars of Octans ﬁt inside

the small circle labeled “Octans” in the reticle.

5. Make sure you tighten all of the knobs on the

mount to ﬁrmly lock the polar axis in position.

You are now polar aligned and ready to use your

mount for observing or imaging.

NOTE: The use of this polar ﬁnderscope requires

that you have a clear view of Polaris. If you have

trees or buildings blocking your view to the North,

you will need to relocate your mount or use a different

method of polar alignment.

While it is possible to do the alignment procedure

without telescope tube attached to the equatorial head,

it is recommended that the tube and counterweights

be attached before you begin polar alignment. Any

accidental bumping of the mount when installing the

tube and counterweights, or any settling of the tripod

into the ground as weight is added may throw off

your alignment.

Thank you for purchasing a quality Celestron

product. Please register your product by

visiting our website and registering online:

Celestron.com/register

Chercheur sur axe polaire CGX & CGX-L

Feuille d’instructions (Français)

Contenu de la boîte

• Chercheur polaire et support

• Caches anti-poussière pour chaque extrémité

du chercheur

• Monture à queue d’aronde (attachée à la base

du support)

• Vis à tête hexagonale (x2)

• Clefs Allen (x4)

• Tournevis cruciforme

Avertissement au sujet des rayons du soleil

• Ne jamais regarder directement vers le Soleil à

l’œil nu ou avec un télescope (à moins d’utiliser un

ﬁltre adapté). Cela pourrait entraîner des lésions

oculaires permanentes et irréversibles.

• Ne jamais utiliser votre télescope pour projeter

une image du Soleil sur n’importe quelle surface.

L’augmentation de la température dans le

télescope peut endommager ce dernier et les

accessoires qui y sont attachés.

• Ne jamais utiliser un ﬁltre solaire d’oculaire ou une

cale de Herschel. La concentration de chaleur au

sein du télescope peut entraîner des dommages à

ces accessoires, laissant la lumière du Soleil non

ﬁltrée arriver directement à vos yeux.

• Ne laissez pas le télescope sans surveillance en

présence d’enfants ou d’adultes qui ne sont pas

familiarisés avec les procédures pour le faire

fonctionner correctement.

Installation du chercheur polaire

1. Desserrez les deux vis à main situées à la base du

chercheur et faites glisser la plaque de support de

la queue d’aronde hors de la section inférieure du

support du chercheur.

2. Localisez la monture du chercheur sur la monture

CGX ou CGX-L. Elle prend la forme d’une plaque

rectangulaire présente sur le côté droit de l’axe

d’Ascension droite de la monture, juste en-dessous

du boîtier du moteur de déclinaison. Retirez les

deux vis cruciformes et la plaque.

3. Installez la monture à queue d’aronde dans ces

trous en utilisant les deux vis hexagonales incluses

dans la boîte. Assurez-vous que la partie moins

épaisse de la monture à queue d’aronde soit

orientée vers le côté nord de la monture, le côté

plus épais oriénté vers le sud.

4. Faites glisser le chercheur polaire et son support

sur la monture à queue d’aronde et serrez les

deux vis à main pour les sécuriser.

5. La position du chercheur polaire peut être ajustée

pour faciliter son accès. Pour faire cela, desserrez

la grande molette située au milieu du support, réglez

l’orientation du chercheur comme désiré, puis

resserrez la molette.

Effectuer la mise au point du chercheur polaire

Pour mettre le chercheur au point, regardez simplement

dans le chercheur et faites pivoter l’oculaire dans le

sens horaire ou anti-horaire jusqu’à ce que le viseur

soit net.

Octans

Polaris

www.celestron.com

2835 Columbia Street • Torrance, CA 90503

Telephone: 800.421.9649

Model # 94239

Molettes d’alignement

Lentille de l’objectif

Oculaire et

foyer

Product specificaties

Merk:	Celestron
Categorie:	Niet gecategoriseerd
Model:	CGX Equatorial

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