background image

object to observe the first time you go
out at night. Pick a night when the
Moon is a crescent. No shadows are
seen during a full Moon, making it
appear flat and uninteresting.

Look for different features on the Moon. The
most obvious features are craters. In fact
you can see craters within craters. Some
craters have bright lines about them. These
are called rays and are the result of material
thrown out of the crater when it was struck
by a colliding object. The dark areas on the
Moon are called maria and are composed of
lava from the period when the Moon still had

volcanic activity. You can also see mountain
ranges and fault lines on the Moon.

Use a neutral density filter (often called a
“moon filter”) when observing the Moon.
Neutral density filters are available from
Meade as an optional accessory and
enhance contrast to improve your
observation of lunar features.

Spend several nights observing the Moon.
Some nights, the Moon is so bright that it
makes other objects in the sky difficult to
see. These are nights that are excellent for
lunar observation.

Observe the Solar System

:  After observing

the Moon, you are ready to step up to the
next level of observation, the planets. There
are four planets that you can easily observe
in your telescope:  Venus, Mars, Jupiter 
and Saturn.

Nine planets (maybe more!) travel in a fairly
circular pattern around our Sun. Any system
of planets orbiting one or more stars is
called a solar system. Our Sun, by the way,
is a single, yellow dwarf star. It is average as
far as stars go and is a middle aged star.

6

TOO MUCH POWER?

Can you ever have too much power? If the type of
power you’re referring to is eyepiece magnification,
yes you can! The most common mistake of the
beginning observer is to “overpower” a telescope
by using high magnifications which the telescope’s
aperture and atmospheric conditions cannot
reasonably support. Keep in mind that a smaller,
but bright and well-resolved image is far superior
to one that is larger, but dim and poorly resolved.
Powers above 400x should be employed only under
the steadiest atmospheric conditions.

Beyond the planets are clouds of comets, icy
planetoids and other debris left over from
the birth of our sun. Recently astronomers
have found large objects in this area and
they may increase the number of planets in
our solar system.

The four planets closest to the Sun are rocky
and are called the inner planets. Mercury,
Venus, Earth and Mars comprise the inner
planets. Venus and Mars can be easily seen
in your telescope.

Venus is seen before dawn or after sunset,
because it is close to the Sun. You can
observe Venus going through crescent
phases. But you cannot see any surface
detail on Venus because it has a very thick
atmosphere of gas.

When Mars is close to the Earth, you can see
some details on Mars, and sometimes even
Mars’ polar caps. But quite often, Mars is
further away and just appears as a red dot
with some dark lines crisscrossing it.

Jupiter, Saturn, Uranus, Neptune and Pluto
comprise the outer planets. These planets,
except for Pluto, are made mostly of gases

Telestar RB-70.qxd  10/15/08  3:23 PM  Page 8

Содержание TELESTAR RB-70

Страница 1: ...N MANUAL fracting Telescope RB 70 M Page 1...

Страница 2: ...M Page 2...

Страница 3: ...tripod Attach the accessory tray Attach the optical tube to the mount Attach the red dot viewfinder Attach the diagonal mirror and eyepiece Align the red dot viewfinder Study the the picture on the ne...

Страница 4: ...igure 1 Telestar 70 RB Altazimuth Refracting Telescope Inset A Red Dot Viewfinder Assembly Inset B Tripod Legs and Accessory Tray Inset C Altaz or Azimuth Mount Inset C Inset B Inset A M Page 4...

Страница 5: ...See Fig 2 ATTACH THE RED DOT VIEWFINDER An eyepiece 1 has a narrow field of view A viewfinder 2 has a wider field of view which makes it easier to locate objects The red dot viewfinder has a red dot t...

Страница 6: ...to make smooth and precise movements as you follow or track an object as it moves in the eyepiece You will enjoy your telescope even more as you learn more about it But don t be scared off by difficu...

Страница 7: ...y when you wish to move the telescope in very small fine control steps Observe the Moon When you feel comfortable with the viewfinder the eyepieces the locks and the adjustment controls you will be re...

Страница 8: ...tem Our Sun by the way is a single yellow dwarf star It is average as far as stars go and is a middle aged star f on e e s r er Beyond the planets are clouds of comets icy planetoids and other debris...

Страница 9: ...ace of Saturn its ring structure will steal your breath away You will probably be able to see a black opening in the rings known as the Cassini band Saturn is not the only planet that has rings but it...

Страница 10: ...with your scope Nebula means cloud Most nebulas are clouds of gas The two easiest to see in the Northern Hemisphere are the Orion nebula during the winter and the Triffid nebula during the summer Thes...

Страница 11: ...s the power of your telescope See Fig 6 Meade offers a complete line of eyepieces for your telescope Most astronomers have four or five low power and high power eyepieces to view different objects and...

Страница 12: ...rve Planets and other objects viewed low on the horizon often lack sharp ness the same object when observed higher in the sky will appear sharper and of g a n ent tar have greater contrast Try reducin...

Страница 13: ...az Other mounting configurations are available for other telescopes such as equatorial mounting USE THE SPECIFICATIONS TO CALCULATE THE MAGNIFICATION OF YOUR EYEPIECE The power of a telescope is how...

Страница 14: ...aintenance Follow these guidelines to keep your telescope in the best condition Avoid cleaning the telescope s lenses A little dust on the front surface of the telescope s correcting lens will not cau...

Страница 15: ...or eries n a of an re 13 TY ies l nd M Page 15...

Страница 16: ...med or where depreciation of the product is due to normal wear and tear Meade specifically disclaims special indirect or consequential damages or lost profit which may result from a breach of this war...

Страница 17: ...ENT GOOD POOR DRAWING OF IMAGE SAVE ORIGINAL BE SURE TO MAKE COPIES RVATION LOG M Page 17...

Страница 18: ...ENT GOOD POOR DRAWING OF IMAGE RVATION LOG M Page 18...

Страница 19: ...M Page 19...

Страница 20: ...www meade com Meade Instruments Corporation 6001 Oak Canyon Irvine California 92618 0 626 3233 M Page 20...

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