Bedienungsanleitung Meade Goto-Kit for equatorial EQ-5 Mounts (Seite 27 von 40) (Englisch)

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Instruction Manual

Observing Satellites

In this procedure, you will prepare your telescope to observe a satellite pass.

1. Navigate to the „Object: Satellite“ menu option and press ENTER.

2. Use the Scroll keys to scroll through the list of satellites.

3. Select a satellite from the list and press ENTER.

4. „Calculating....“ and then „Tracking...“ displays. If the satellite is going to

make a pass, „Located“ displays.

5. Use the Scroll keys to display data about the pass: aos – acquisition of

signal and los – loss of signal. If you subtract the aos from the los, you can

calculate how long the satellite will be visible. Location information also

displays.

6. „Alarm“ displays after the location information. Press ENTER and the hand-

box automatically sets the alarm to sound a minute before the satellite‘s

scheduled appearance. You may return to regular observations until the

alarm goes off.

7. When the alarm goes off, return to the Satellite menu and press a Scroll key

until the desired satellite is on the top line of the display.

8. Press GO TO. The handbox slews the telescope to where the satellite

should appear. The motor drive stops and a countdown is displayed.

Note: If the scheduled appearance position of the satellite is

obstructed (i.e., by a building, tree, or hill), press ENTER and the

handbox starts to move the telescope along the expected satellite

track. When the track clears the obstruction, press ENTER again to

pause the telescope, then continue with this procedure.

9. With about 20 seconds left on the countdown timer, start watching through

the telescope viewfinder for the satellite to enter the field of view.

10. When the satellite enters the viewfinder field of view, press ENTER. The

telescope starts to track with the satellite.

11. Use the handbox Arrow keys to center the object in the viewfinder, then look

through the eyepiece to view the object.

Satellite orbits change and new satellites (including the Space Shuttle) are

launched. If orbital parameters are more than one month old, the satellite pass

may not happen at the time predicted by the handbox. Information about oribital

elements is provided e.g. at www.heavens-above.com

Note: Satellite observing is an exciting challenge. Most satellites are

in low orbit, travelling at approximately 17,500 mph. When visible,

they move quickly across the sky and are only in the field of view for

a few minutes, requiring the handbox to slew the telescope rapidly.

Best viewing is near Sunrise or Sunset when the sky is still dark.

Viewing in the middle of the night can be problematic because the

satellite may pass overhead, but not be visible as it is in the Earth‘s

shadow.

Landmarks

This menu option allows you to define and store terrestrial objects in the

Landmark database. First, a landmark needs to be stored in memory using

the „Landmark: Add“ option. To view a landmark, use the „Landmark: Select“

option. Landmarks may also be viewed using the „Landmark Survey“ option in

the Utilities menu.

To Add a landmark to the database:

In this procedure, you will store the location of terrestrial landmarks in hand-

box‘s memory.

1. Note for future reference where the telescope is located. Select an easily rec-

ognizable reference object and center the object in the telescope eyepiece.

Each time you wish to view landmarks you have added to the database, setup

the telescope in this location and center the reference object in the eyepiece.

If you do not use a consistent point of reference, the telescope will not be able

to locate the objects you have added to the database.

Another setup method is to select an object from the Landmark database.

See

TO SELECT A LANDMARK FROM THE DATABASE below. Then manually

Tip:

To use the Landmark func-

tion, the telescope must be

located and aligned exactly

as when the landmark(s)

was added to the database.

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Meade Goto-Kit for equatorial EQ-5 Mounts Seite 27

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