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view and you will be able to see fainter details in objects you
view in your telescope. Exposing your eyes to very bright day-
light for extended periods of time can adversely affect your
night vision for days. So give yourself at least a little while to
get used to the dark before you begin observing.

To see what you are doing in the darkness, use a red-filtered
flashlight rather than a white light. Red light does not spoil
your eyes’ dark adaptation like white light does. A flashlight
with a red LED light is ideal, or you can cover the front of a
regular incandescent flashlight with red cellophane or paper.
Beware, too, that nearby porch and streetlights and automo-
bile headlights will spoil your night vision.

Eyepiece Selection

By using eyepieces of varying focal lengths, it is possible to
attain many magnifications with the SkyView Pro 6 EQ. The
telescope comes with two high-quality SiriusPlossl eyepieces:
a 25mm, which gives a magnification of 30x, and a 10mm,
which gives a magnification of 75x. Other eyepieces can be
used to achieve higher or lower powers. It is quite common for
an observer to own five or more eyepieces to access a wide
range of magnifications. This allows the observer to choose
the best eyepiece to use depending on the object being
viewed. At least to begin with, the two supplied eyepieces will
suffice nicely.

Whatever you choose to view, always start by inserting your
lowest power (longest focal length) eyepiece to locate and
center the object. Low magnification yields a wide field of
view, which shows a larger area of sky in the eyepiece. This
makes acquiring and centering an object much easier. If you
try to find and center objects with high power (narrow field of
view), it’s like trying to find a needle in a haystack!

Once you’ve centered the object in the eyepiece, you can
switch to higher magnification (shorter focal length eyepiece),
if you wish. This is especially recommended for small and
bright objects, like planets and double stars. The Moon also
takes higher magnifications well.

Deep-sky objects, however, typically look better at medium or
low magnifications. This is because many of them are quite
faint, yet have some extent (apparent width). Deep-sky
objects will often disappear at higher magnifications, since
greater magnification inherently yields dimmer images. This is
not the case for all deep-sky objects, however. Many galaxies
are quite small, yet are somewhat bright, so higher power may
show more detail.

The best rule of thumb with eyepiece selection is to start with
a low power, wide field, and then work your way up in magnifi-
cation. If the object looks better, try an even higher magnifica-
tion. If the object looks worse, then back off the magnification
a little by using a lower power eyepiece.

What to Expect

So what will you see with your telescope? You should be able
to see bands on Jupiter, the rings of Saturn, craters on the
moon, the waxing and waning of Venus, and possibly hun-
dreds of deep sky objects. Do not expect to see as much color
as you in NASA photos, since those are taken with long-expo-

sure cameras and have “false color” added. Our eyes are not
sensitive enough to see color in deep-sky objects except in a
few of the brightest ones.

Remember that you are seeing these objects using your own
telescope with your own eyes! The object you see in your eye-
piece is in real-time, and not some conveniently provided
image from an expensive space probe. Each session with
your telescope will be a learning experience. Each time you
work with your telescope it will get easier to use, and stellar
objects will become easier to find. Take it from us, there is big
difference between looking at a well-made full-color NASA
image of a deep-sky object in a lit room during the daytime,
and seeing that same object in your telescope at night. One
can merely be a pretty image someone gave to you. The other
is an experience you will never forget!

A. The Moon

With is rocky and cratered surface, the moon is one of the
most interesting and easy subjects for your scope. The best
time to view it is during its partial phases when shadows fall
on the craters and canyon walls to give its features definition.
While the full moon may look like a tempting target, it is actu-
ally the worst time for viewing! The light of a full moon is too
bright and lacks any decent surface definition.

Use an optional Moon filter to dim the Moon when it is very
bright. It simply threads onto the bottom of the eyepiece from
the focuser (you must first remove the eyepiece from the
focuser to attach the filter). You’ll find the Moon filter improves
viewing comfort, and helps bring out the subtle features if the
lunar surface.

B. The Sun

You can change your nighttime telescope into a daytime Sun
viewer by installing an optional full-aperture solar filter over
the front opening of a SkyView Pro 6 EQ. The primary attrac-
tion is sunspots, which change shape, appearance, and loca-
tion daily. Sunspots are directly related to magnetic activity in
the Sun. Many observers like to make drawings of sunspots to
monitor how the Sun is changing from day to day.

Important Note: Do not look at the Sun with any optical
instrument without a professionally made solar filter, or
permanent eye damage could result. Also, be sure to
cover the finder scope, or better yet, remove it altogether.

C. The Planets

The planets don’t stay put like the stars, so to find them you
should refer to Sky Calendar at our website telescope.com, or
to charts published monthly in Astronomy, Sky & Telescope,
or other astronomy magazines. Venus, Mars, Jupiter, and
Saturn are the brightest objects in the sky after the Sun and
the Moon. Your SkyView Pro 6 EQ is capable of showing you
these planets in some detail. Other planets may be visible but
will likely appear starlike. Because planets are quite small in
apparent size, optional higher power eyepieces are recom-
mended and often needed for detailed observations. Not all
the planets are generally visible at any one time.

JUPITER  The largest planet, Jupiter, is a great subject for
observation. You can see the disk of the giant planet and

Содержание SkyView Pro 6 EQ 9866

Страница 1: ...Providing Exceptional Consumer Optical Products Since 1975 Customer Support 800 676 1343 E mail support telescope com Corporate Offices 831 763 7000 P O Box 1815 Santa Cruz CA 95061 Orion SkyView Pro 6 EQ 9866 Equatorial Reflector Telescope ...

Страница 2: ...ng knob Counterweight shaft Counterweight lock knobs Counterweights Finder scope Finder scope bracket Eyepiece Tube rings Mirror cell Tube ring mounting plate Right Ascension slow motion control knob Latitude scale Latitude adjustment L bolts Center support shaft Tripod support tray Tripod leg Leg lock knobs ...

Страница 3: ...pe for the first time should take about 30 minutes No tools are needed other than the ones provid ed All screws should be tightened securely but be careful not to over tighten or the threads may strip Refer to Figure 1 dur ing the assembly process During assembly and anytime for that matter do not touch the surfaces of the telescope mirrors or lenses of the finder scope or eyepieces with your fing...

Страница 4: ...ke sure the counterweight lock knobs are adequately loosened to allow the counterweight shaft to pass through the hole Position the counterweights about halfway up the shaft and tighten the lock knobs Replace the toe saver at the end of the bar The toe saver prevents the counterweights from falling on your foot if the lock knobs happen to come loose 8 Attach the slow motion control knobs to the ri...

Страница 5: ...balanced on the right ascension axis 4 To balance the telescope on the declination axis first tight en the R A lock lever with the counterweight shaft still in the horizontal position 5 With one hand on the telescope optical tube loosen the Dec lock lever The telescope should now be able to rotate freely about the Dec axis Loosen the tube ring clamps a few turns until you can slide the telescope t...

Страница 6: ... ment to the finder scope bracket s alignment thumbscrews will be needed until the object comes into the finder scope s field of view With the image in the finder scope s field of view you now need to fine adjust the alignment thumbscrews to center the object on the intersection of the crosshairs Adjust the aim of the finder scope by turning the thumbscrews one at a time until the object is center...

Страница 7: ... rotating the telescope on its right ascension R A axis using only the R A slow motion knob But first the R A axis of the mount must be aligned with the Earth s rotational polar axis a process called polar alignment Polar Alignment For Northern Hemisphere observers approximate polar align ment is achieved by pointing the mount s right ascension axis at the North Star or Polaris It lies within 1 of...

Страница 8: ...ion axis of the mount When properly aligned and used it makes accurate polar alignment quick and easy to do To install the polar axis finder scope remove the cover at the rear of the mount s right ascension axis Figure 9b and thread the polar axis finder scope into the equatorial mount until tight Alignment of the Polar Axis Finder Scope 1 Look through the polar finder at a distant object during t...

Страница 9: ...5 Now use the azimuth adjustment knobs Figure 8 and the latitude adjustment L bolts Figure 6 on the mount to posi tion the star Polaris inside the tiny circle marked Polaris on the finder s reticle You must first loosen the knob under neath the equatorial mount on the center support shaft to use the azimuth adjustment knobs Once Polaris is proper ly positioned within the reticle you are precisely ...

Страница 10: ... in the Southern Hemisphere The location of the right ascen sion coordinate indicator arrow is shown in Figure 11 The Dec setting circle is scaled in degrees with each mark representing 2 increments Values of declination coordinates range from 90 to 90 The 0 mark indicates the celestial equator When the telescope is pointed north of the celestial equator values of the declination setting circle ar...

Страница 11: ...sen the R A lock lever and rotate the telescope on the right ascension axis until the counterweight shaft is horizontal parallel to the ground Then loosen the Dec lock lever and rotate the telescope until it is pointing straight overhead The counterweight shaft is still horizontal Then retighten both lock levers What if you need to aim the telescope directly north but at an object that is nearer t...

Страница 12: ...ror will also be helpful in colli mating the secondary mirror Using a 2mm Allen wrench loosen the three small alignment set screws in the center hub of the 4 vaned spider several turns Now keep the mirror s holder stationary be careful not to touch the surface of the mirrors while turning the center screw with a Phillips head screwdriver See Figure 14 Turning the screw clockwise will move the seco...

Страница 13: ...ave the dot centered as much as is possible in the ring your primary mirror is collimated The view through the collimation cap should resemble Figure 13e Re tighten the locking thumbscrews A simple star test will tell you whether the optics are accurate ly collimated Star Testing the Telescope When it is dark point the telescope at a bright star and accu rately center it in the eyepiece s field of...

Страница 14: ...ht which reduces an object s brightness One good way to tell if conditions are good is by how many stars you can see with your naked eye If you cannot see stars of magnitude 3 5 or dimmer then conditions are poor Magnitude is a measure of how bright a star is the brighter a star is the lower its magnitude will be A good star to remem ber for this is Megrez mag 3 4 which is the star in the Big Dipp...

Страница 15: ...n dreds of deep sky objects Do not expect to see as much color as you in NASA photos since those are taken with long expo sure cameras and have false color added Our eyes are not sensitive enough to see color in deep sky objects except in a few of the brightest ones Remember that you are seeing these objects using your own telescope with your own eyes The object you see in your eye piece is in rea...

Страница 16: ...nomers alike Keep in mind as with any new task that starhopping may seem challenging at first but will become easier over time and with practice To starhop only a minimal amount of additional equipment is necessary A star chart or atlas that shows stars to at least magnitude 5 is required Select one that shows the positions of many deep sky objects so you will have a lot of options to choose from ...

Страница 17: ...lluminated reticle eyepiece is also needed The T ring and camera adapter are not needed since the camera is exposing through its own lens Any camera lens with a focal length between 35mm and 400mm is appropriate On the top of one of the tube rings is a piggyback camera adapter This is the black knob with the threaded shaft pro truding through it The tube ring with the piggyback adapter should be c...

Страница 18: ...ally once every year or so Covering the telescope with the dust cover when it is not in use will prevent dust from accumulating on the mirrors Improper cleaning can scratch mirror coatings so the fewer times you have to clean the mir rors the better Small specks of dust or flecks of paint have virtually no effect on the visual performance of the telescope The large primary mirror and the elliptica...

Страница 19: ...irius Plössls fully coated 1 25 Magnification 30x with 25mm and 75x with 10mm Finder Scope 6x30 achromatic 7 field of view Focuser Rack and pinion accepts 1 25 eyepieces Mount SkyView Pro German equatorial Tripod Steel Tripod support tray Aluminum provides additional stability holds five 1 25 eyepiece and two 2 eyepieces Weight 52 lbs Mount 41 lbs optical tube 11 lbs Polar axis latitude adjustment...

Страница 20: ...y Watsonville CA 95076 If the product is not registered proof of purchase such as a copy of the original invoice is required This warranty does not apply if in Orion s judgment the instrument has been abused mishan dled or modified nor does it apply to normal wear and tear This warranty gives you specific legal rights and you may also have other rights which vary from state to state For further wa...

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