Celestron 80AZS Manuel utilisateur

#21182

INSTRUCTION MANUAL

• 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 unfamiliar with the correct operating

procedures of your telescope are present.

SOLAR WARNING

We recommend saving your telescope box so it can be used to store the telescope when it is not in use. Unpack the box

carefully as some parts are small. Use the parts list below to verify that all parts and accessories are present.

PARTS LIST

WHAT’S IN THE BOX

ASSEMBLING YOUR TELESCOPE

THE MOUNT

The AstroMaster AZ mount and tripod come fully assembled,

so setting it up is easy.

1. Remove the tripod and mount from the box.

2. Loosen the hand knobs at the bottom of each leg and

extend the inner section of the leg to the desired length.

Tighten the knobs to secure the legs, being careful not

to over tighten.

3. Stand the tripod upright and pull the tripod legs apart

until the center brace snaps into place.

4. Place the accessory tray on top of the center brace line

up the keyed hole in the center. Rotate the tray until the

tabs at the three points of the tray snap into the holders

on each arm of the tripod’s center brace.

12 4

10 1. Telescope Tube

2. StarPointer Finderscope

3. Eyepiece (20mm shown)

4. Erect Image Star Diagonal

5. Focus Knobs

6. Panning Handle/Altitude Clutch

7. Tripod

8. Accessory Tray

9. Tripod Leg Clamp

10. Objective Lens

11. Telescope Mounting Clamp

12. Azimuth Tension Knob

13. #58 Green Gladsd Moon Filter

14. Bluetooth Remote Control

15. High Quality 2X Barlow lens (1.25”)

14 15

MOVING THE MOUNT

The AstroMaster AZ mount can be moved by hand using

the panning handle. To adjust the up and down angle of

the mount, loosen the altitude clutch by turning the entire

panning handle counterclockwise. Move the mount to the

desired position and lock the clutch to secure the mount in

place by turning the entire panning handle clockwise.

The left and right axis is free spinning and does not

lock down, but the tension can be adjusted to suit your

preference by using the azimuth tension knob on top of the

mount. Turn the knob clockwise to increase the tension and

counterclockwise to loosen it.

THE TELESCOPE TUBE

To attach the telescope tube to your tripod and mount:

1. Move the mount so that the telescope mounting platform

is parallel to the ground. Lock the altitude clutch to

prevent it from moving.

2. Locate the dovetail bar mounted on the bottom of the

telescope tube.

3. Holding the telescope tube above to the mount, slide

the dovetail bar into the telescope clamp at the top

of the mount.

4. Tighten both the large hand knob on the mounting

screw and the smaller silver safety screw to secure the

telescope in place.

THE STAR DIAGONAL AND EYEPIECES

The erect image star diagonal attaches to the focus tube of a refracting telescope and contains a small prism that reflects

light at a 90° angle, providing a more comfortable viewing position. Because a star diagonal gives you a 100% correctly

oriented image, you can easily use the telescope for daytime terrestrial observing.

To insert the diagonal:

1. Remove the caps from both sides of the diagonal.

2. Loosen the setscrews on the back of the focuser and

pull out the small dust cap.

3. Insert the smaller tube on the diagonal into the back of

the focuser and secure it by tightening the setscrews.

You can adjust the angle of the star diagonal to any

desired direction before tightening the screws.

To install the eyepiece:

1. Loosen the setscrews on the open end of the star

diagonal.

2. Insert the silver barrel of the 20mm eyepiece into the

star diagonal.

3. Tighten the setscrews to secure the eyepiece in place.

4. To see the sharpest image possible, focus by looking

through the eyepiece and slowly turning the focusing

knobs until the image comes into sharp focus.

Your telescope comes with two eyepieces. The 20mm which will give low magnification with a moderately wide field of

view. The 10mm will give you higher magnification, but a narrower field of view. Additional eyepieces can be purchased

to increase or decrease the magnification to your desired level. When first locating an object, it is best to use the 20mm

eyepiece, then, once the object is centered, change to the 10mm eyepiece to “zoom in” on it.

THE STARPOINTER FINDERSCOPE

Your telescope comes with a StarPointer red-dot

finderscope that you will use as a sighting tool when

aiming the telescope at a target.

On/Off Switch

Battery

Compartment

Left/Right

Adjustment

Knob

Up/Down

Adjustment

Knob

To install the finderscope:

1. Loosen the (2) phillips head screws on the base of the

FinderScope.

2. Slide the dovetail slider on the bottom of the finder

bracket into the dovetail mount on the focuser.

3. Tighten the screws back down to secure it in place.

CHANGING THE FINDERSCOPE BATTERY

To replace the StarPointer battery, remove the finder from

the scope and turn it over. The battery compartment is

located directly under the large lens assembly. Using a

small screwdriver or your fingernail, gently lift straight up

on the cover to remove it. The battery is held in place by a

spring contact. Gently lift this contact and turn the finder

on its side. The battery should slip right out. Replace the

battery with a 3-Volt CR2032 button cell battery. Slide

the new battery under the contact, making sure that the

positive terminal of the battery (the side marked with a “+”)

is pointing upward, toward the spring contact. The battery

should snap in place. Replace the cover by lining up the

pins on the cover with the holes in the finderscope and

pressing it down. Be sure to dispose of the old battery

according to your local laws.

Battery

Compartment

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 knobs until it comes into sharp focus.

LOOK THROUGH

FINDERSCOPE

Once the object is centered in your 25 mm eyepiece,

look through the finderscope and locate the red dot.

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 25 mm eyepiece.

YOUR FINDERSCOPE IS

NOW ALIGNED!

It should not require realignment unless it is bumped

or dropped.

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, like a streetlight, license

plate or sign. The object should be as far away as

possible, but at least a quarter mile away.

2Low Power Eyepiece

Focus Knobs

ALIGNING THE

FINDERSCOPE

Use the phone clamp knob to open the phone holder so that

your phone fits inside. Tighten it to secure your phone in place.

Turn on the phone and open your camera app. Make sure the

flash is turned off.

Loosen the knob on the bottom of the adapter that secures the

phone clamp to the eyepiece clamp. Slide the phone clamp

up and down and rotate it left and right until your camera is

looking down through the eyepiece of the telescope. Tighten

the knob on the bottom of the adapter to secure it in place.

Use the telescope’s focuser to adjust focus of your camera.

Snap the image using your app.

Open the eyepiece clamp and place it around the body of the

eyepiece. Tighten the clamp until it’s secure.

4 5

USING THE

SMARTPHONE

ADAPTER

STOP

Press and hold the button on the remote for 5 seconds. A blue

light will turn on and, after a few seconds, start to blink. The

remote is now in pairing mode.

Using the Bluetooth settings on your phone, pair the device

called “GBshutter”.

Open your camera app. Press the button on the remote to

trigger the shutter on your phone.

If your camera is in video mode, you can press the button

once to start recording and again to stop the recording.

4 5

To insert or replace the battery, place your thumb in the center

of the back cover, pressing inward and sliding downward

remove the battery door. The CR2032 battery should be

inserted with the positive (+) side facing upward. Replace the

cover.

123

USING THE

BLUETOOTH

REMOTE

With the Moon visible in the sky, set up your telescope with

the 20mm eyepiece installed.

Look through the telescope’s 20mm eyepiece. Gently turn the

focus knobs to adjust the sharpness of the image.

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.

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.

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

the focuser and remove the 20mm eyepiece. Replace it with

your 10mm eyepiece and tighten the set screws to secure it

in place. The 10mm eyepiece will give you significantly more

magnification, making the Moon appear much larger.

Note: You may need to adjust the focus knobs when you

change eyepieces, to make sure you are getting the

sharpest image possible.

Move the telescope so that it is roughly pointing toward

the Moon.

Look through the finderscope and locate the crosshair reticle.

Continue moving the telescope until the crosshair appears

over the Moon.

CONGRATULATIONS!

YOU HAVE NOW OBSERVED YOUR

FIRST CELESTIAL OBJECT!

10mm 20mm

YOUR FIRST NIGHT OUT-

THE MOON

4Low Power Eyepiece

Focus Knobs

YOUR FIRST ASTRONOMICAL OBSERVING SESSION

Celestron’s free SkyPortal app for iOS and Android can help

you locate and identify a wide array of celestial objects

quickly and easily.

CELESTIAL OBSERVING TIPS

This section covers visual observing hints for both solar system and deep-sky objects as well as general observing

conditions which will affect your ability to observe.

MAGNIFICATION

You can change the magnification of your telescope by simply changing eyepieces. Both telescopes and eyepieces

have focal lengths that are measured in millimeters. To calculate the magnification of a given telescope and eyepiece

combination, take the focal length of the telescope and divide it by the focal length of the eyepiece. The resulting number

is the magnification factor.

For example, the AstroMaster 80AZS has a focal length of 1000mm. Using the 20mm eyepiece:

1000mm

= ____________ = 50x

20mm

Focal length of Telescope

Magnification = _________________________

Focal length of Eyepiece

FIELD OF VIEW

Determining the field of view is important if you want to get an idea of the angular size of the object you are observing.

To calculate the actual field of view, divide the apparent field of the eyepiece (supplied by the eyepiece manufacturer) by

the magnification it gives you in the scope you are using.

Using the example in the previous section, we can determine the field of view using the same telescope and 20mm

eyepiece. The 20mm eyepiece has an apparent field of view of 40°.

40°

= ______ = 0.9 degrees of arc

Apparent Field of View of Eyepiece

Actual Field Of View = ________________________________

Magnification

The 20mm eyepiece has an apparent field of view of 40°. Divide the 40° by the magnification, which is 50 power.

This yields an actual field of view of 0.9 degrees or 54 minutes of arc.

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