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Celestron AstroMaster 90 EQ User Manual

Celestron AstroMaster 90 EQ
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4 | ENGLISH
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 knob to adjust the sharpness of the
image.
Move the telescope so that it is roughly pointing
toward the Moon.
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, so make sure you are
getting the sharpest
image possible.
Look through the finderscope and locate the red
dot. Continue moving the telescope until the red dot
appears over the Moon.
1 2
5 6
3
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.
* SOLAR WARNING! Never attempt to view the Sun through any telescope
without a proper solar filter!
YOUR FIRST NIGHT OUT
OBSERVING THE MOON
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.
Low Power Eyepiece
Focus Knob
4
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 fi lter.
Need assistance?
Contact Celestron Technical Support celestron.com/pages/technical-support
09-21
www.celestron.com/pages/warranty

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Celestron AstroMaster 90 EQ Specifications

General IconGeneral
BrandCelestron
ModelAstroMaster 90 EQ
CategoryTelescope
LanguageEnglish

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