Celestron NexStar 102SLT Manuale utente

#23090

QUICK SETUP GUIDE

ENGLISH

2 | ENGLISH

Unpack your telescope and verify that all parts are

present. Your NexStar 102SLT MAK includes: a

telescope tube, a tripod, a motorized fork arm mount,

an accessory tray, two eyepieces, a 90° star diagonal,

a ﬁnderscope, a NexStar hand control and hand

control holder.

To set up the tripod, spread the legs outward until

they are fully extended and push down center leg

brace.

ITEM #23090

Extend the legs of the tripod by loosening the three

hand knobs on each leg. Pull each leg section all the

way out and tighten the hand knobs down to secure

them in place. Use the bubble level on the tripod head

to ensure the tripod is level.

ENGLISH

Quick Setup Guide

Place the hole in the accessory tray over the bayonet

mount on the tripod’s center leg brace. Rotate the

accessory tray until the three locking tabs insert into the

locking clips on each section of the central leg brace.

Snap the hand control holster, with the square tab

facing upward, around any one of the tripod legs.

Place the motorized fork arm over the top of the

tripod head and tighten the large captive knob

between the tripod legs to lock the mount in place.

Attach the telescope optical tube by positioning

the dovetail into the dovetail holder on the fork arm.

Make sure the bottom of the dovetail is ﬂat against

the dovetail holder. Firmly tighten the hand bolt to

secure the clamp.

ENGLISH | 3

The ﬁnderscope has a clear plastic tab that insulates

the battery, preventing it from discharging during

shipment. Pull this tab out of the ﬁnderscope to

allow it to function correctly.

Squeeze the tabs on both sides of the battery

compartment cover while lifting upward. Install 8 AA

batteries into the battery holders. Be sure to install

the batteries in their correct polarity, matching the

+ and - terminals as shown on the battery holders.

Snap the battery cover back in place.

Plug the 6-pin connector of the hand control into

“HC” port on the side of the mount. Place the hand

control in the holster by inserting the narrow end into

the holder and sliding it downward.

Remove the lens cap from the front of the telescope

and turn on the power switch at the base of the

motorized fork.

To move the telescope, use the directional arrow

buttons to slew the scope in the desired direction.

When navigating the menu system, use the keypad

buttons labeled UP and DOWN (#6 and #9, not

the directional slew buttons) to scroll through menu

options. Press ENTER to make a selection or BACK

to return to the previous menu.

14 15 For more information on this product or to download

the instruction manual, please visit the respective

product page on celestron.com

SOLAR WARNING: Never attempt to view

the sun through any telescope without a proper

solar ﬁlter.

NEED ASSISTANCE?

Contact Celestron Technical Support

celestron.com/pages/technical-support

08-19

11 12 13

Locate the 90° star diagonal and remove the plastic

covers from both ends. Remove the plastic cap on the

eyepiece holder on the telescope. Insert the barrel of

the diagonal into eyepiece holder on the back of the

telescope and secure it by tightening the setscrews.

Insert the barrel of the 25mm eyepiece into the top

of the star diagonal and tighten the setscrew. Slide the ﬁnderscope bracket into the dovetail slot

on the telescope tube near the focuser. The large

window on the ﬁnder should be facing the front of

the telescope. Secure the bracket by tightening the

setscrew on the dovetail slot.

8910

4 | ENGLISH

Your First Night

Out: The Moon

The best and easiest target for you to try to view

ﬁrst is the Moon. Try observing the Moon at different

points in its phase cycle. The best time to view the

Moon is from two days after a New Moon up to a few

days before a Full Moon. During this period, you will

be able to see the most detail in the craters and lunar

mountain ranges.

Move the telescope so that it is roughly pointing

toward the Moon.

With the Moon visible in the sky, set up your

telescope as described above with the 25mm

eyepiece installed.

CENTER THE TARGET IN THE EYEPIECE

Look through the telescope using your lower

powered eyepiece. Move the telescope until the

object you chose lies in the center of the view. If the

image is blurry, gently turn the focus knob until it

comes into sharp focus. NOTE: The image in your

telescope may appear inverted. This is perfectly

normal in an astronomical telescope.

Aligning the

Finderscope

The ﬁnder is one of the most important parts of your

telescope. It helps you locate objects and center

them in the eyepiece. The ﬁrst time you assemble

your telescope, you need to align the ﬁnder to the

telescope’s main optics. It’s best to do this during

the day*.

*SOLAR WARNING! Never attempt to view

the Sun through any telescope without a

proper solar ﬁlter!

CHOOSE A TARGET

Take the telescope outside during the day and ﬁnd

an easily recognizable object, such as a streetlight,

car license plate or sign. The object should be as far

away as possible, but at least a quarter mile away.

25mm

Eyepiece

Focus Knob

ADJUST THE FINDERSCOPE

Without moving the telescope, use the two

adjustment knobs to move the ﬁnder around until

the red dot appears over the same object you are

observing in the telescope’s 25mm eyepiece.

LOOK THROUGH FINDERSCOPE

Once the object is centered in your 25mm eyepiece,

look through the ﬁnderscope and locate the red dot.

3 4

YOUR FINDERSCOPE IS NOW ALIGNED!

It should not require realignment unless it is bumped

or dropped.

ENGLISH | 5

You can view many other celestial objects, such as

planets, star clusters and nebulae using this same

technique if you know where to ﬁnd them in the

night sky.

Celestron’s free SkyPortal app for iOS and Android

can help you locate and identify a wide array of

celestial objects quickly and easily.

Look through the telescope’s 25mm eyepiece.

Gently turn the focus knob to adjust the sharpness

of the image.

To get a closer view of the Moon, loosen the set

screws on the focuser and remove the 25mm

eyepiece. Replace it with your 9mm eyepiece and

tighten the set screws to secure it in place. The

9mm eyepiece will give you signiﬁcantly more

magniﬁcation, making the Moon appear much larger.

NOTE: To make sure you are getting the sharpest

image possible, you may need to adjust the focus

knobs when you change eyepieces.

CONGRATULATIONS!

YOU HAVE NOW OBSERVED YOUR

FIRST CELESTIAL OBJECT!

9mm

25mm

Look through the ﬁnderscope and locate the red-

dot. Continue moving the telescope until the red dot

appears over the Moon.

25mm

Eyepiece

Focus Knob

6 | ENGLISH

Normally, your hand control will display the last

entered time and location data. But since this is your

ﬁrst time using the hand control, no information is

stored. Press BACK to begin entering these details.

Press ENTER to select City Database. Use the UP

and DOWN scroll buttons to choose the closest city to

your present location. Press ENTER after selecting the

country, state and city.

Use the scroll UP and DOWN scroll buttons

(located on #6 and #9) to select “SkyAlign.” Then

press ENTER. Next, you will enter the time and your

observing location.

Using the numeric key pad, enter the current

time. Press ENTER to continue. Press BACK to

backspace.

Now, using the UP and DOWN scroll buttons, verify

your time zone and press ENTER.

Using the numeric key pad, enter the date. Press

ENTER to continue. If you make a mistake, press

BACK to backspace.

Turn power switch (located on the side of the fork

arm) to the “ON” position. The light will illuminate and

the hand control will display “NexStar SLT.”

Press ENTER to begin the alignment procedure.

Your NexStar SLT’s computerized hand control

contains a database of thousands of celestial

objects. But before your telescope can accurately

point to these objects in the sky, you need to align

the database to known positions (stars) overhead.

Celestron’s SkyAlign procedure makes this process

quick and easy. To align with SkyAlign, follow the

steps below.

Using the

Hand Control

ENGLISH | 7

Repeat the process for the third alignment star. When

the telescope has been aligned to the ﬁnal star, the

display will read “Match Conﬁrmed”. Press BACK to

view the names of the three bright objects you aligned

to, or press ENTER to accept these three objects for

alignment.

Now that your telescope is properly aligned, you

are ready to ﬁnd your ﬁrst object. Press the SKY

TOUR button on the hand control. The hand control

will display a list of all the best celestial objects

currently visible.

For the second alignment object, choose a bright star

or planet as far away from the ﬁrst alignment object

as possible. Once again, use the directional arrow

buttons to center the object in the ﬁnderscope and

press ENTER. Then, center the object in the eyepiece

and press ALIGN.

Press OBJECT INFO to read information about the

object displayed. Press the DOWN scroll button to

display the next object. Press ENTER to slew (move)

to the displayed object.

Use the directional arrow keys on the hand control

to slew (move) the telescope towards any bright

celestial object in the sky. Center the object in the

ﬁnderscope and press ENTER.

If the ﬁnderscope has been properly aligned, the

alignment star should now be visible in the ﬁeld of

view of the eyepiece.

The hand control will prompt you to center the bright

alignment star in the center of the eyepiece. Once

centered, press ALIGN. This will accept the star as

your ﬁrst alignment position.

910 11

#23090

GUIDE DE DÉMARRAGE RAPIDE

FRANÇAIS

2 |FRANÇAIS

Déballez votre télescope, et vériﬁez que toutes

les pièces sont présentes. Votre NexStar 102SLT

MAK comprend: un tube de télescope, un trépied,

une monture à fourche motorisée, un plateau à

accessoires, deux oculaires, un renvoi coudé à 90°,

un chercheur, un contrôle à main NexStar et un étui

de contrôle à main.

Pour installer le trépied, écartez les pieds vers

l’extérieur jusqu’à ce qu’ils soient complètement

étendus et abaissez l’entretoise centrale.

ARTICLE #23090

Étendez les pieds du trépied en desserrant les trois

molettes situées sur chaque pied. Tirez chaque

section des pieds au maximum et serrez les molettes

pour les ﬁxer en place. Utilisez le niveau à bulle sur la

tête du trépied pour vériﬁer que le trépied est bien à

niveau.

FRANÇAIS

Guide d’installation rapide

Centrez le trou du plateau à accessoires sur la

monture à baïonnette de l’entretoise du trépied. Faites

tourner le plateau à accessoires jusqu’à ce que les

trois onglets de verrouillage s’insèrent dans les clips

présents sur chaque section de l’entretoise centrale.

Enclenchez l’étui du contrôle à main, l’onglet carré

orienté vers le haut, sur le pied de votre choix.

Placez le bras à fourche motorisé sur le dessus de la

tête du trépied et serrez la grande molette imperdable

située entre les pieds du trépied pour la ﬁxer.

Attachez le tube optique du télescope en positionnant

la queue d’aronde dans le rail situé sur le bras à

fourche. Veillez à ce que la queue d’aronde soit

correctement à plat dans le rail. Serrez fermement

l’écrou pour ﬁxer solidement la pince.

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