Celestron Wedge Manual

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Side 1/20

P HD Wro eDge

MODEL #93664

ENGLISH

1. Loosen the two latitude locking screws on both sides of the

wedge (Figure 2).

2. Push the tilt plate all the way forward as far as it will go, and

hand tighten the locking screws to hold the tilt plate in place.

3. Thread back the latitude adjustment knob so that the threaded

rod does not interfere with the orange support rod.

4. Remove the three top screws from each of the L-brackets on

the bottom of the tilt plate. Do not remove the bottom screws.

5. Place one end of the swivel block into one of the top holes

on the inside of the L-bracket. It may be necessary to loosen

the bottom screws and rotate the L-bracket enough to ﬁt the

swivel block between the brackets.

Note: The top hole position can be used for most latitudes.

At higher latitudes the upper hole will give more stability.

However at lower latitudes the middle or lower hole

position will give more range of motion if needed.

6. Once one side of the swivel block is in place, reattach the

screws to hold the L-bracket to the tilt plate.

7. Attach the remaining L-bracket to the bottom of the tilt plate

making sure the other end of the swivel block ﬁts inside the

corresponding hole on the bracket. Tighten both brackets.

ADjusting tHe WeDge for Your LAtituDe

Your wedge can be conﬁgured in two different ways; for latitude

range of 0° – 50°, or a latitude range of 40° - 90°. If you are at

a latitude between 40° - 50° either conﬁguration should work

for you. The wedge comes pre-assembled in the 40° - 90°

conﬁguration. However, if you are located at a latitude of 40° or

below you will need to adjust the latitude plates on the side of

the wedge. To adjust the latitude plates:

1. Loosen the pivot bolt on one of the side latitude plates.

2. Remove the three countersunk bolts holding the latitude plate

to the wedge.

3. Rotate the latitude plate downward so that the three holes line

up with the lower set of holes.

4. Replace the three bolts to attach the plates to the wedge

and tighten the pivot bolt.

5. Repeat the steps above for the second latitude plate.

6. Reattach the latitude locking screws and hand tighten.

Assembling the Wedge

Your Celestron telescope has a motor drive built into the base

allowing it to track the stars as they move across the sky from

east to west. However, for this drive to be useful, (particularly

for astrophotography) the telescope’s axis of rotation should be

made parallel to the Earth’s axis. The Pro HD Wedge allows you

to tilt the telescope’s axis of rotation (polar or R.A. axis) so that

the telescope can track the stars as they move in an arc around

the celestial pole. When this is accomplished, the sky’s motion

can be cancelled out simply by having the telescope rotate at

the same rate as the rotation of the Earth, but in the opposite

direction. This process is known as polar alignment.

Your wedge comes pre-assembled out of the box. However you

will need to attach the latitude adjustment rod and may need to

adjust the side latitude plate depending on your latitude.

F 1igure

Tilt Plate

L-Bracket

Swivel

Block

F 2igure

Pivot Bolt

Latitude

Locking

Screw

Latitude

Scale

Latitude Adjustment Knob

Latitude

Plate

WHicH LAtituDe scALe sHouLD i use?

You may notice that the scales on the two side latitude plates

are not the same. For accuracy, each scale is used for

different latitudes.

• Whenthewedgeisconguredforthelatituderangeof

, the scale on the latitude plate facing 40°-90° east

(marked with an “ ”) should be used. L

• Whenthewedgeisconguredforthelatituderangeof

, the scale on the latitude plate facing 0°-50° west

(marked with an “ ”) should be used. R

ADjusting tHe center of grAvitY of tHe WeDge

Before mounting a telescope to your wedge you may wish to

change its center of gravity by shifting the wedge side plates

forward. The side plates can be moved forward if you are

observing from a higher latitude (50° or higher). This will place

the telescope’s center of gravity closer to the center of your

tripod for maximum stability. To adjust the side plates:

1. Make sure your telescope is not mounted to the wedge before

making any adjustments.

2. Remove the eight screws (four on each side) that attach the

side plates to the base plate of the wedge.

3. Slide the entire wedge forward so that the holes line up with

the front four holes on the base plate. It may be necessary to

loosen the bolts holding the orange support bar and latitude

rod bar between the two side plates.

4. Replace the screws in the side plates in their new position.

The HD tripod (93493) has six holes on its base for mounting the

telescope with or without the wedge. Three of the holes have

captured bolts for attaching your telescope directly to the tripod.

The other three holes are threaded to be used with the wedge.

The wedge can be attached in two different conﬁgurations; one

with the telescope fork arms extended over one of the tripod

legs (for more stability at lower latitudes), and one with the

telescope fork arms extended between two of the tripod legs

(for more stability at higher latitudes).

To attach the wedge to the tripod:

1. Locate the positioning pin in the center of your tripod.

2. Lower the wedge onto the tripod so that the hole underneath

the center of the base plate ﬁts over the tripod positioning pin.

This will allow you to center the wedge on the tripod head.

3. Rotate the wedge until the three slotted holes on the

wedge align with the three threaded holes in the tripod

head. Keep in mind there are two alignment conﬁgurations

as mentioned above.

4. Thread the three 5/16-18x1-1/4” socket head cap screws and

washers into the holes and tighten.

AttAching the Wedge to Your tripod

F 4igure

F 3igure

Forward

position hole

Side Plate

Mounting

Screws

Produkt Specifikationer

Mærke:	Celestron
Kategori:	Ikke kategoriseret
Model:	Wedge
Type:	Monteringsplade til teleskop
Vægt:	6803 g
Produktfarve:	Sort
Antal:	1
Kapabilitet:	NexStar Evolution 6/8/9.25, NexStar SE 6/8