Celestron PowerSeeker2 70 Instruction Manual
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Celestron PowerSeeker2 70 Instruction Manual

Celestron PowerSeeker2 70 Instruction Manual

Celestron instruction manual telescope 70 and 90 eq
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Summary of Contents for Celestron PowerSeeker2 70

  • Page 1 & & ● ●...
  • Page 2 70mm EQ shown...
  • Page 3 8. Latitude Adjustment Screws 9. Eyepiece Accessory Tray Thank you for purchasing this Celestron Refractor Telescope. This telescope is a precision scientific instrument. With it you will enjoy numerous objects in the sky—planets, nebulae, star clusters, galaxies and other astronomical objects.
  • Page 4 Remove the wing nuts from the threaded post at the bottom of the tube ring. Place the telescope tube on top of the equatorial mount so that the threaded posts slide through the holes on the equatorial mount. The declination slow motion cable should extend towards the focuser end of the telescope tube.

  • Page 5: Using Your Telescope

    Star Pointer Finderscope The Star Pointer is the quickest and easiest way to point your telescope exactly at a desired object in the sky. It's like having a laser pointer that you can shine directly onto the night sky. The Star Pointer is a zero magnification pointing tool that uses a coated glass window to superimpose the image of a small red dot onto the night sky.
  • Page 6 To balance the telescope in DEC: 1. Release the R.A. clamp and rotate the telescope so that it is on one side of the mount (i.e., as described in the previous section on balancing the telescope in R.A.).Lock the R.A. clamp to hold the telescope in place. Release the DEC clamp and rotate the telescope until the tube is parallel to the ground (see figure 3).

  • Page 7: Image Orientation

    The image orientation of any telescope changes depending on how the eyepiece is inserted into the telescope. When observing through a refractor telescope using the star diagonal, the image will be right side up, but reversed from left to right.

  • Page 8: The Celestial Coordinate System

    The Celestial Coordinate System To help find objects in the sky, astronomers use a celestial coordinate system that is similar to our geographical coordinate system here on Earth. The celestial coordinate system has poles, lines of longitude and latitude, and an equator.

  • Page 9: Pointing At Polaris

    Set the telescope up so that the polar axis is pointing north. Loosen the DEC clutch knob and move the telescope so that the tube is parallel to the polar axis. When this is done, the declination setting circle will read +90°. If the declination setting circle is not aligned, move the telescope so that the tube is parallel to the polar axis.

  • Page 10: Finding The North Celestial Pole

    Center Polaris in the field of the telescope using the fine adjustment controls on the mount. Remember, while Polar aligning, do NOT move the telescope in R.A. or DEC. You do not want to move the telescope itself, but the polar axis.

  • Page 11: Using The Setting Circles

    4. The right ascension setting circle does not move as the telescope moves in right ascension and thus it must by aligned each time you want to use it to find a new object. However, you do not need to use a bright star each time but you can use the object you are currently observing.
  • Page 12 Continuing with our example, multiply the angular field .9° by 52.5. This produces a linear field width of over 47 feet at a distance of one thousand yards. The apparent field of each eyepiece that Celestron manufactures is found in the Celestron Accessory Catalog (#93685).

  • Page 13: Celestial Observing

    Now that your telescope is set up, you’re ready to use it for observing. This section covers visual observing for both solar system and deep-sky objects. Observing the Moon In the night sky, the moon is a prime target for your first look because it is extremely bright and easy to find. Although the This effect is more noticeable at higher power.

  • Page 14: Observing Deep-Sky Objects

    Finding them requires a method called star hopping. Celestron Sky Maps (#93722) can help you locate the brightest deep-sky objects. Most deep-sky objects have a large angular size. Therefore, a low-to-moderate power eyepiece is all you need to see them.
  • Page 15 (stars) appear double. Type 1 seeing is caused by air currents within, or very close to, the telescope tube. These currents are caused by a telescope that has not reached thermal equilibrium with the outdoor surroundings or heat waves from people standing near the telescope.

  • Page 16: Specifications

    Barlow Lens - A Barlow lens is a negative lens that increases the focal length of a telescope. Used with any eyepiece, it doubles the magnification of that eyepiece. Celestron offers two Barlow lens in the 1-1/4" size. The 2x Ultima Barlow (#93506) is a compact triplet design that is fully multicoated for maximum light transmission and parfocal when used with the Ultima eyepieces.
  • Page 17 Ultimas. Filters Sets, Eyepiece - Celestron offers four convenient filter sets, which contain four different filters per set. Not only are these highly useful filter combinations, but they also offer an economical way to add versatility to your filter collection.
  • Page 18 Celestron telescope. This turns your telescope into a high power telephoto lens perfect for terrestrial photography and short exposure lunar and filtered solar photography. A full description of all Celestron accessories can be found in the Celestron Accessory Catalog (#93685) or web site www.celestron.com...

  • Page 19: 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.
  • Page 20 Celestron 2835 Columbia Street Torrance, CA 90503 U.S.A. Tel. (310) 328-9560 Fax. (310) 212-5835 Web site at www.celestron.com Copyright 2004 Celestron All rights reserved. (Products or instructions may change without notice or obligation.) Item # 21076-INST $10.00 01-05 Printed in China...

This manual is also suitable for:

Firstscope 70eqFirstscope 90eq

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