Meade LNT Instruction Manual download pdf (Page 24)

MENUS AND MENU OPTIONS

Object Menu

Almost all observing with AutoStar is performed using the Object menu category. (NOTE:

Exceptions include Guided

Tour 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 20.

Many AutoStar menu categories contain databases. An AutoStar database is a list of viewable

objects, such as stars, planets, comets, nebulae and so forth. When one of these objects is

selected from a database, AutoStar moves your telescope (if properly aligned) and points it at

the selected object.

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. When

this menu option is chosen and a constellation name appears on the first line of the screen,

press GO TO once to change the second line to the name of the brightest star in the

constellation. Press GO TO a second time to slew the telescope to that star. Use the Scroll keys

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

Deep Sky is a database of objects outside our Solar System such as nebulae, 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 "Appendix A" 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.

J 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.

J 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:

IMPOR

ANT NO

TE:

Only use the Arro

w k

ys to mo

e the telescope during the

Identify procedure

. Do not loosen the telescope locks or move the base or align-

ment is lost.

When a desired object is visib

le in the eyepiece, keep pressing MODE until the “Select

Item: Object” menu is displayed. Press ENTER to select this menu.

Scroll through the Object men

u options until the

“Object: Identify” screen appears.

3. Press ENTER. AutoStar searches the database for the identity of the object being

obser

ed.

4. If the telescope is not directly on an AutoStar database object, the nearest database object

is located and displayed on the screen. Press GO TO and the telescope slews to that

object.

Browse allows you to search the database for objects with certain parameters, much like a

search engine

"Edit P

ameters" lets you set various parameters for the search, such as:

Object Type, Minimum Elevation, Largest,

etc. Once you have set the parameters of the search,

select "Start Search" and press ENTER. AutoStar will display the results of the search. See

page 38 for more information.

Use the OBJECT

menu to select an

object from the data-

base.

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 the

LX90.

The available objects

include planets,

constellations, individ-

ual 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.

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Meade LNT Instruction Manual Page 24

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