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Celestron CPC 9.25 User Manual

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BAS – Celestron CPC 9.25 Telescope User Guide
This is a brief guide to setting-up and observing with the Celestron CPC 925 Schmitt Cassegrain
telescope.
The Safety of You and the Telescope
The telescope is very heavy. And, its storage box is very heavy and awkward to lift and place into (or
remove from) vehicles.
BAS strongly recommended any lifting of the telescope and its storage box be performed by two
people. Also, the removal of the telescope from the box and placement on the tripod should only be
attempted by two people.
The storage box has wheels and detachable "wheel barrow" handles for easier movement. Or, the
simple rope handle can be substituted for the wheel barrow handles.
Telescope Components
To use the telescope, you will need:
•
CPC 9.25 telescope
•
Tripod and center support bracket
•
Hand controller
•
Charged 12v battery and telescope power cable
•
Finderscope
•
Visual back and diagonal mirror eyepiece holder
•
Eyepieces
•
A planetarium app (SkySafari or similar app) on a mobile device is also recommended
•
Dew shield
Setting Up the telescope
Tripod and attaching the telescope
Place the tripod on firm ground and fully spread the legs. Adjust the length of one, or more, legs if
necessary to level the tripod top. Use the bubble level in the tripod top as the levelling guide.
Ensure the tripod positioning pin is poking up above the top of the tripod (this pin is used to initially
center the telescope on the tripod top).
Before attempting to lift the telescope into place, make sure the optical tube is pointed in the
downward position aiming at the telescope base (where all the electronics attachment sockets are).
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Summary of Contents for Celestron CPC 9.25

  • Page 1 BAS – Celestron CPC 9.25 Telescope User Guide This is a brief guide to setting-up and observing with the Celestron CPC 925 Schmitt Cassegrain telescope. The Safety of You and the Telescope The telescope is very heavy. And, its storage box is very heavy and awkward to lift and place into (or remove from) vehicles.
  • Page 2 Lift (two-person lift is strongly recommended) the telescope from its storage box and place the telescope base on the tripod top. Maintain a very firm grip on the telescope. The tripod positioning pin needs to slip into a hole in the bottom of the telescope base. You should feel the telescope “clunk”...
  • Page 3 Screw the visual back threaded ring onto the short threaded tube on the back of the telescope. The threaded ring can be loosened (and then retightened) at any time during your observing session if you need to tilt the star diagonal and eyepiece to a different angle for easier access. Insert the eyepiece with the largest MM number on it, most likely 25mm.
  • Page 4 This means you are being asked to select something from a list of options. You use the 6 and 9 keys to scroll up or down through the options list. The Celestron CPC telescope has a GPS chip to inform the telescope of its current location.
  • Page 5 Task Hand Controller Message Displayed Note Power-on the telescope Initializing Connect the 12v battery cable CPC Ready to the telescope power socket. Press ENTER to begin alignment. Turn the power switch ON. Once the controller says “Press ENTER to begin alignment” you need to divert away from the proposed alignment process and turn the GPS...

  • Page 6: Standard Time

    However, if the hand controller display reads “Press ENTER to Turn GPS off” you need to do as instructed and press ENTER. The GPS is now turned OFF. Now press the UNDO button to exit this menu area. Press the UNDO button a couple of times to get back to the CPC READY screen Scroll through the menu...
  • Page 7 each month looks towards the northern sky and the other the south. The telescope has a database of about 50 stars it will accept as alignment stars. Pick an appropriate star chart and find two stars highlighted (underlined) on the chart that you can identify in the sky.
  • Page 8 Centre the star in the finderscope. Now use the left/right & Press ENTER when ready. up/down direction keys (the central four controller keys with black triangles on them) to move the telescope towards the named star. Once you get reasonably close to the star, start looking through the finderscope and continue to move the...
  • Page 9 Observing Objects Some of the hand controller number keys provide direct access to catalogs of objects. Key 1/M – list the Messier objects. These are bright objects that Charles Messier thought looked at bit like comets. Press the 1/M key and use the Up/Down keys to select and object. Then press ENTER and the telescope will slew to the bject.
  • Page 10 CPC Menu Tree From the “CPC Ready” position displayed on the hand controller, there are three sections of the menu system you can reach via a single button press. Pressing the MENU or 3 button takes you to the main MENU options (the lefthand column of the menu tree).