Bedienungsanleitung Meade Goto-Kit for equatorial EQ-5 Mounts (Seite 33 von 40) (Englisch)

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Instruction Manual

Important Note: The image will appear upside-down, but correct left-for-

right, in the eyepiece of a Newtonian telescope, if the eyepiece extends

horizontally from the tube, as described in Step #3.

5. Loosen the R.A. Lock (Tip: Make sure you do not accidentally loosen the Dec.

Lock. If you do, restart the procedure beginning at Step #2). Rotate the tele-

scope 180° in the R.A. axis ONLY, until the optical tube is in position B. See Fig.

46. Note the position of your target in the eyepiece.

6. Using the the handbox Up and Down Arrow keys ONLY, move the optical tube

in Dec. axis until your target is HALFWAY back to the center of the eyepiece.

7. Rotate the telescope 180° in the R.A. axis ONLY, to return the optical tube to

position A. Verify that your target is in the same location in the eyepiece verti-

cally as in the previous step (that is, it is not higher or lower or absent from the

eyepiece). Ignore side-to-side misalignment (that is, if it has moved to the right

or left).

8. Repeat steps 6 and 7, if necessary, alternating positions A and B, until the hori-

zontal object is in the same vertical location in the eyepiece in both positions.

9. The Dec. optical axis is now calibrated to be at 90 degrees. For Procedure #2,

DO NOT adjust the declination of the optical tube, either manually or with the

handbox.

Procedure #2: To correct for elevation misalignment

After performing the attitude correction, select an object that is at a very great

distance (at least a mile away) to approximate infinity. Ideally, the object should be

unique, with several identifiable objects to the left and right of it.

1. Rotate the mount about the R.A. axis only and move the optical tube to position

2. WITHOUT moving the declination axis from its position determined in the previ-

ous alignment, adjust the legs, latitude, and azimuth of the tripod to center the

object in the eyepiece.

3. Rotate the telescope 180° in the R.A. axis ONLY, until optical tube is in position

4. Observe the position of the object in the eyepiece. Assuming that the declination

was properly set in the previous procedure, the object should have moved only

horizontally (that is, side-to-side) from its original position. It may be out of the

eyepiece altogether.

5. Using the adjustment mechanism on the bottom of the cradle (Fig. 47), move

the reference object approximately half the distance towards the center of the

eyepiece.

To adjust the cradle screws, use the supplied hex key to loosen the two outside

screws. Then adjust the position of the object by tightening or loosening the

center screw. Perform this adjustment on both sets of screws. When finished,

retighten the outer screws.

Before moving the optical tube, note the location that the telescope is centered

on relative to the reference object. Depending on the telescope type and acces-

sories in use, you may need to move the optical tube opposite to the direction

that appears in the eyepiece. The best way to be sure is to move the optical tube

(using the cradle screws) a little, and verify that the correct direction was moved

through the eyepiece.

6. WITHOUT moving the declination axis from its position determined in the previ-

ous alignment, and WITHOUT adjusting the cradle position further, adjust the

legs, latitude, and azimuth of the tripod to center the object in the eyepiece

again.

Fig. 47: Cradle adjustment screws.

Fig. 45: Position A.

Fig. 46: Position B.

Procedure #2: Step 2 Step 4 Step 5 Step 6

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Meade Goto-Kit for equatorial EQ-5 Mounts Seite 33

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