Meade 4504 Instruction Manual download pdf (Page 20)

page 20

Align Your Telescope Using Starfinder

After completing the "Train the Drive" procedure, align your telescope using Starfinder.

The fastest and easiest way to start observing with Starfinder's Go To capabilities is to

align your telescope using One-Star (Polar) Alignment. An alternate method, Two-Star

alignment, is described later in this manual.

1. With "Train Drive: Dec Train" displayed (or scroll to this menu, if necessary), keep

pressing MODE until "Select Item: Setup" is displayed. Press ENTER.

2. "Setup: Align" displays. Press ENTER. "Align: One Star" displays. Press ENTER.

3. "German North" displays and a scrolling message prompts you to Polar align your

telescope. See "TO POLAR ALIGN THE TELESCOPE," page 15, for a description

of how to Polar align your telescope. Press ENTER after you finish the alignment

procedure.

4. "Ctr. Polaris" displays and the telescope begins to slew. Starfinder beeps and

"Adjust Mount" displays after the telescope finishes slewing.

5. A scrolling message prompts you to unlock both the Latitude Lock (23, Fig. 2b)

and the Azimuth Lock (24, Fig. 2b).

6. Manually rotate (do NOT use Starfinder's Arrow keys!) the telescope until Polaris

is centered once again in the eyepiece. Then re-lock both the Latitude and

Azimuth Locks and press ENTER.

7. Starfinder then chooses another star from its database and the telescope slews to

the star for alignment. It may not appear in the field of view in the eyepiece. The

alignment star should be easily recognized and be the brightest star in the area of

the sky where the telescope is pointing. Use the Arrow keys to move the telescope

until the star is visible and centered in the eyepiece. When the star is centered,

press ENTER.

Another method to find the alignment star if it does not appear in the eyepiece is

to perform a "spiral search." If the alignment star is not visible in the eyepiece

when the telescope finishes its search, press GO TO and the telescope starts

slewing in a spiral pattern at a very slow speed around the search area. Look

through the eyepiece and when the object does become visible, press MODE to

stop the spiral search. Then use the Arrow keys to center the object and press

ENTER to complete the alignment procedure.

NOTE: Starfinder locates alignment stars based on the date, time, and

location entered. The alignment stars may change from night to night. All

that is required is for the observer to center the selected star in the eyepiece

when prompted.

Check Mount

It is possible for the 4504 telescope to move in such a way that the telescope tube

might interfere with the mount while slewing. Starfinder has a feature called "Check

Mount" to alert you of this possibility.

If "Check Mount" displays, inspect the assembly to see if it's moving in such a way that

the mount, tube, levers, motors, etc., might catch on or collide with each other. Also

inspect the cable to see if it might become tangled. If any of these possibilities seem

likely to occur, press MODE to abort the current operation of the telescope. If they do

not seem likely, press GO TO to continue with the current operation. Press any key

during slewing to stop the telescope.

If "Check Mount" displays during alignment, and interference seems likely, press MODE.

Select another alignment star by pressing one of the Scroll keys to select the next align-

ment star in the database. Repeat this procedure as necessary to align the telescope.

To abort the alignment procedure, press and hold MODE for about two seconds.

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Meade 4504 Instruction Manual Page 20

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