Meade Autostar Manuel d'instructions télécharger pdf (Page 25)

Want to learn more about

Observing Satellites? See

page 32.

Use the OBJECT menu

to select an object from the

database.

When your telescope is

aligned and you select an

object from any of these

lists, you just need to press

the GO TO key to move the

telescope so that it is

pointed at the selected

object.

Over 30,000 objects are

available for ETX-90AT,

ETX-105AT and ETX-

125AT models.

The available objects

include planets,

constellations, individual

stars, double stars, star

clusters, galaxies, quasars,

satellites, asteroids and

comets.

Also, try out the Guided

Tour feature; the “Tonight’s

Best” Guided Tour will point

your telescope at the best

objects visible in the sky for

every given night of the

year.

Object Menu

Almost all observing with Autostar is performed using the Object menu category. (The

two exceptions are the Guided Tours and Landmark Survey.

)

See GO TO SATURN, page

20, for an example of observing using the Object menu. Also see USING THE GUIDED

TOUR

, page 21.

Many Autostar menu categories contain databases. The Autostar object database is

a list of viewable objects, such as stars, planets, comets, nebulae and so forth. When

one of these objects is selected from the object database and is above the horizon,

Autostar moves your telescope (if properly aligned) and points it at the selected

object.

Note: Most celestial objects are visible in the sky for only part of the night

and also only visible part of the year. If an object is not visible on the night

you are observing, Autostar displays a message that the object is below

the horizon.

The Object Menu options include:

Solar System

is a database of the eight planets (Earth is not included) in order out

from the Sun, followed by the Moon, asteroids and comets.

Constellation is a database of all 88 Northern and Southern Hemisphere

constellations. To use this menu:

1. When this menu option is chosen and “Andromeda” displays, use the Scroll keys

to scroll through the constellation list.

2. Press ENTER to select a constellation and to display the coordinates of the con-

stellation. Press one of the Scroll keys and information about the constellation will

scroll across the display screen.

3. Press GO TO to display the list of stars in the constellation. Use the Scroll keys

to scroll through the list of stars in the constellation, from the brightest to dimmest.

4. Press ENTER to select a star and use the Scroll keys to display information about

the star. Press GO TO again to slew the telescope to that star.

Note: Use MODE to abort any of these operations.

Deep Sky is a database of objects outside our Solar System such as nebulas, star

clusters, galaxies and quasars.

Star is a database of stars listed in different categories such as named, double,

variable or nearby.

Satellite is a database of Earth-orbiting objects such as the International Space

Station, the Hubble Space Telescope, Global Positioning System (GPS) satellites and

geosynchronous orbit satellites.

User Objects allows the user to define and store in memory deep-sky objects of

specific interest that are not currently in the Autostar database. See page 32 for more

information.

Landmarks stores the location of terrestrial points of interest in the permanent

Autostar database.

IMPORTANT NOTE: To use the Landmark function, the telescope must be

located and aligned exactly as when the landmark was added to the

database.

■ Select: To select a Landmark already in the database (see ADD below), choose

the "Select" option and scroll through the list. Press ENTER to select a Landmark,

then press GO TO and the telescope slews to the object.

■ Add: To add a Landmark, choose the "Add" option. Enter a name for the

Landmark. Locate and center the Landmark in the eyepiece, then press ENTER.

Identify is an exciting feature for an observer who wants to scan the night sky and

start exploring. After the telescope has been properly aligned, use the Autostar Arrow

keys to move about in the sky. Then follow this procedure:

Want to learn more about

Landmarks? See page 36.

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Meade Autostar Manuel d'instructions Page 25

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