Celestron 1510 Instruction Manual
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Celestron 1510 Instruction Manual

Celestron 1510 Instruction Manual

Celestron c80-hd refractor telescope instruction manual 21077, 21016, 31027, 31056, 1510
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Table of Contents

• • • • C80-HD Refractor Telescope
• • • • C102-HD Refractor Telescope
• • • • C114-HD Reflector Telescope
• C150-HD Reflector Telescope
• • • • CG-4 Equatorial Mount
Models #21077 / #21016 / #31027 / #31056 / #91510
INSTRUCTION MANUAL
1

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Summary of Contents for Celestron 1510

  • Page 1 • • • • C80-HD Refractor Telescope • • • • C102-HD Refractor Telescope • • • • C114-HD Reflector Telescope • C150-HD Reflector Telescope • • • • CG-4 Equatorial Mount Models #21077 / #21016 / #31027 / #31056 / #91510...
  • Page 2 IDENTIFYING PARTS OF FIGURE 1 Star Diagonal (Refractors only) Eyepiece Finderscope Finder Bracket Focuser Tube Rings Objective Cap Optical Tube Platform DEC Setting Circle 10. R.A. Clamp 11. R.A. Setting Circle 12. Polar Finder (Optional) 13. Latitude Scale 14. Altitude Adjustment Screw 15.
  • Page 3 C114-HD & C150-HD Figure 1C CG-4 EQ Mount...

  • Page 4: Telescope Assembly

    This manual is designed to instruct you in the proper use of your Celestron C80- HD Refractor, C102-HD Refractor, C114-HD 4.5 Newtonian or C150-HD Newtonian as well as the CG-4 Equatorial Mount.

  • Page 5: Attaching The Optical Tube

    Installing the Counterweight Bar With the mount securely in place, you are ready to attach some of the accessories (the telescope tube will be added last). Start with the Counterweight Bar and Counterweights. Used to balance the telescope, the Counterweight Bar attaches to the opposite side of the mount as the telescope.

  • Page 6: Balancing The Telescope

    The telescope should also be balanced in declination to prevent any sudden movement when the Declination clamp is released. To balance the telescope in Declination: Release the R.A. clamp and rotate the telescope so that it is on one side of the mount (i.e., as described above for balancing the mount in R.A.).
  • Page 7 GRADUALLY release the telescope tube to see which way it “rolls.” Loosen the screws that hold the telescope inside the mounting rings and slide the telescope either forward or backwards until it remains stationary when the DEC clamp is released (see figure 2b).

  • Page 8: Attaching The Accessories

    Choose a target that is in excess of one mile away. This will eliminate any possible parallax effect between the telescope and finderscope. Point the telescope at your target and center it in the main optics of the telescope. You may have to move the telescope slightly to center your target.

  • Page 9: Telescope Basics

    FL(telescope) is the focal length of the telescope and FL(eyepiece) is the focal length of the eyepiece. For example, if the focal length of the telescope is 910mm and you use a 20mm eyepiece your magnification is 910/20 = 46x.

  • Page 10: Polar Alignment

    Polar alignment is the process by which the telescope’s axis of rotation is aligned (made parallel) with the Earth’s axis of rotation (see figure 7). Once aligned, a telescope with a motor drive will track the stars as they move across the sky. The result is that objects being observed through the telescope appear stationary (i.e., they will not drift out of the field of view).
  • Page 11 Los Angeles, which has a latitude of 34°, then the celestial pole (and Polaris) will be 34° above the northern horizon. All a latitude scale does then is to point the polar axis of the telescope at the right elevation above the northern (or southern) horizon.

  • Page 12: Aligning The R.a. Setting Circle

    In order to align the R.A. setting circle, you will need to know the names of a few of the brightest stars in the sky. If you don’t, they can be learned by using the Celestron Sky Maps (#93722) or consulting a current astronomy magazine.
  • Page 13 (M57) which is at 18 h 53 m right ascension. 2. Release the R.A. clamp and rotate the telescope until the R.A. indicator is between the 18 h 50 m mark and the 19 h 00 m mark on the R.A. setting circle.

  • Page 14: Telescope Maintenance

    18 h 50 m mark and the 19 h 00 m mark on the R.A. setting circle! 5. Look through the telescope and the Ring Nebula should be within the field of view if you are using a low power eyepiece (assuming you have already set the DEC).

  • Page 15: Technical Specifications

    The best way to re-collimate is with a good collimation tool. Celestron offers a Newtonian Collimation Tool (#94183) with detailed instructions that make it an easy chore. Technical Specifications Optical System: Coating: Aperture: Focal Length: F/ratio: Magnification (with standard eyepiece)
  • Page 16 T-Adapters - Allows you to take short exposure photos of the Moon. It requires a 35mm SLR camera and a T-Ring for your brand of camera. Other - Numerous other accessories are available. See the Celestron Accessory Catalog (#93685) or ask your Celestron dealer for details.

  • Page 17: Celestron Two Year Warranty

    Celestron, is found to be defective in materials or workmanship. As a condition to the obligation of Celestron to repair or replace such product, the product must be returned to Celestron together with proof-of-purchase satisfactory to Celestron.

This manual is also suitable for:

210162107731027C102-hdC114-hdC150-hd ... Show all

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