Bedienungsanleitung Celestron CGEM 925 (Seite 25 von 71) (Englisch)

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To replace the contents of any of the user defined objects, simply save a new object using one of the existing identification

numbers; the telescope will replace the previous user defined object with the current one.

Get RA/DEC - Displays the right ascension and declination for the current position of the telescope.

Goto R.A/ Dec - Allows you to input a specific R.A. and declination and slew to it.

To store a set of coordinates (R.A./Dec) permanently into the database, save it as a

User Defined Object as

described above.

Identify

Identify Mode will search any of the telescope's database catalogs or lists and display the name and offset distances to the

nearest matching objects. This feature can serve two purposes. First, it can be used to identify an unknown object in the field

of view of your eyepiece. Additionally,

Identify Mode can be used to find other celestial objects that are close to the objects

you are currently observing. For example, if your telescope is pointed at the brightest star in the constellation Lyra, choosing

Identify and then searching the Named Star catalog will no doubt return the star Vega as the star you are observing. However,

by selecting

Identify and searching by the Named Object or Messier catalogs, the hand control will let you know that the Ring

Nebula (M57) is approximately 6° from your current position. Searching the Double Star catalog will reveal that Epsilon

Lyrae is only 1° away from Vega. To use the

Identify feature:

 Press the Menu button and select the Identify option.

 Use the Up/Down scroll keys to select the catalog that you would like to search.

 Press ENTER to begin the search.

Note: Some of the databases contain thousands of objects, and can therefore take several minutes to return the closest objects.

Precise GoTo

The telescope has a precise goto function that can assist in finding

extremely faint objects and centering objects closer to the center of the

field of view for astrophotography and CCD imaging. Precise Goto

automatically searches out the closest bright star to the desired object

and asks the user to carefully center it in the eyepiece. The hand

control then calculates the small difference between its goto position

and its centered position. Using this offset, the telescope will then slew

to the desired object with enhanced accuracy. To use Precise Goto:

1. Press the MENU button and use the Up/Down keys to select

Precise Goto.

 Choose Database to select the object that you want to

observe from any of the database catalogs listed or;

 Choose RA/DEC to enter a set of celestial coordinates that

you wish to slew to.

2. Once the desired object is selected, the hand control will

search out and display the closest bright star to your desired

object. Press ENTER to slew to the bright alignment star.

3. Use the direction buttons to carefully center the alignment star

in the eyepiece.

4. Press ENTER to slew to the desired object.

Scope Setup Features

Setup Time-Site - Allows the user to customize the telescope's

display by changing time and location parameters (such as time zone

and daylight savings).

Helpful

Hint

SCOPE SETUP

SET UP TIME-SITE

ANTI-BACKLASH

FILTER LIMITS

DIRECTION BUTTONS

GOTO APPROACH

AUTOGUIDE RATES

OTA ORIENTATION

MERIDIAN

MOUNT SETTINGS

RA POSITIVE

RA NEGATIVE

DEC POSITIVE

DEC NEGATIVE

RA BUTTONS

DEC BUTTONS

RA LIMITS

RA APPROACH

DEC APPROACH

RA RATE

DEC RATE

NORMAL

EAST

WEST

FAVOR CURRENT

FAVOR WEST

FAVOR EAST

DISABLED

CONE VALUE

DEC INDEX

RA INDEX

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Celestron CGEM 925 Seite 25

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