Celestron PowerSeeker 80EQ Telescope PowerSeeker 80 EQ Manual
Celestron PowerSeeker 80EQ Telescope Manual
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Celestron PowerSeeker 80EQ Telescope manual content summary:
- Celestron PowerSeeker 80EQ Telescope | PowerSeeker 80 EQ Manual - Page 1
POWERSEEKER 80 EQ TELESCOPE INSTRUCTION MANUAL #21048 - Celestron PowerSeeker 80EQ Telescope | PowerSeeker 80 EQ Manual - Page 2
15 14 13 12 11 10 9 17 16 8 1 2 3 4 5 6 7 PowerSeeker 80EQ Refractor 2 - Celestron PowerSeeker 80EQ Telescope | PowerSeeker 80 EQ Manual - Page 3
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. This manual covers the 80mm equatorial model. The equatorial mount - Celestron PowerSeeker 80EQ Telescope | PowerSeeker 80 EQ Manual - Page 4
Assembling Your Telescope 1) Your Celestron telescope should include all of the following: a. Tripod with center support bracket b. Telescope tube with tube rings attached c. Equatorial mount head d. Two 1 ¼" eyepieces e. 90˚ star diagonal f. 5x24 Finderscope g. 3x Barlow Lens h. 5# Counterweight - Celestron PowerSeeker 80EQ Telescope | PowerSeeker 80 EQ Manual - Page 5
reached the stop. Instead loosen the declination knob and manually move the telescope in declination until you pass the object in the opposite telescope in right ascension (east/west) there are two options. For large and quick movements, loosen the right ascension knob (#11) when moving the telescope - Celestron PowerSeeker 80EQ Telescope | PowerSeeker 80 EQ Manual - Page 6
cable has 360˚ of continuous motion. Balancing the Telescope in Right Ascension (R.A.): The telescope should be properly balanced in order for it to move smoothly in both axes. Proper balance is essential if using an optional motor drive for accurate tracking. 1. To balance the right ascension - Celestron PowerSeeker 80EQ Telescope | PowerSeeker 80 EQ Manual - Page 7
Inverted image, as viewed with the eyepiece directly in telescope Focusing Figure 7 To focus your telescope, System To help find objects in the sky, astronomers use a celestial coordinate system that is similar , and an equator. For the most part, these remain fixed against the background stars - Celestron PowerSeeker 80EQ Telescope | PowerSeeker 80 EQ Manual - Page 8
trek is not the Sun moving as early astronomers thought, but the result of the Earth's day washes out the starlight. However, part of this circular motion of stars in way to polar align a telescope is with a latitude scale. axis should be pointed (see figure 11). The constant, mentioned above, - Celestron PowerSeeker 80EQ Telescope | PowerSeeker 80 EQ Manual - Page 9
previous method, this must be done in the dark when Polaris is visible. 1. Set the telescope up so that the polar axis is pointing north. See Figure 11. 2. 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 - Celestron PowerSeeker 80EQ Telescope | PowerSeeker 80 EQ Manual - Page 10
named for the hemisphere in which they reside. For example, in the northern hemisphere all stars move around the north celestial pole. When the telescope's polar axis is pointed at the celestial pole, it is parallel to the Earth's rotational axis. Many methods of polar alignment require that you - Celestron PowerSeeker 80EQ Telescope | PowerSeeker 80 EQ Manual - Page 11
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. telescope (in inches). For example, using the 80mm model (3.1") then your maximum useful power is 188x (3.1" x 60). You can create power higher than this limit but the images 11 - Celestron PowerSeeker 80EQ Telescope | PowerSeeker 80 EQ Manual - Page 12
field 1° by 52.5. This produces a linear field width of over 52.5 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). 12 - Celestron PowerSeeker 80EQ Telescope | PowerSeeker 80 EQ Manual - Page 13
to drift out of your field of view. You'll have to manually adjust the telescope to keep the moon centered. This effect is more noticeable at higher lunar surface, try using different filters (available through your local Celestron dealer). A yellow filter works well for improving contrast. Observing - Celestron PowerSeeker 80EQ Telescope | PowerSeeker 80 EQ Manual - Page 14
Finding them requires a method called star hopping. Celestron Sky Maps (#93722) can help you locate the . While not a problem when viewing brighter stars an imperfect or smeared image. These atmospheric disturbances vary compared to the aperture of your telescope, also determines seeing quality. Under - Celestron PowerSeeker 80EQ Telescope | PowerSeeker 80 EQ Manual - Page 15
. To avoid the problems associated with Type 1 seeing, allow your telescope approximately 30 minutes outdoors to reach thermal equilibrium with the environment. If observing with others, make sure no one stands in front of or directly below the telescope tube. The images produced by Type 2 seeing - Celestron PowerSeeker 80EQ Telescope | PowerSeeker 80 EQ Manual - Page 16
21048 Optical System: Refractor Aperture: 80mm (3.1") Focal Length: 900mm F/ratio: f/11 . Eyepieces - Like telescopes, eyepieces come in maintain razor sharp, color corrected images across its 55° field As an extension of the Ultima line, a new wide angle series is offered - called the Axiom - Celestron PowerSeeker 80EQ Telescope | PowerSeeker 80 EQ Manual - Page 17
astronomical telescope is polar aligned. This model is a single axis (R.A.), DC motor drive. It is powered by two 9-volt alkaline batteries which lasts up to 40 hours. A speed rate regulator is included to adjust the speed slightly faster or slower. Peterson First Guides 80mm (#94135) - Celestron - Celestron PowerSeeker 80EQ Telescope | PowerSeeker 80 EQ Manual - Page 18
description of any claimed defects. Parts or product for which replacement is made shall become the property of Celestron. The customer shall be any model or style telescope. If warranty problems arise, or if you need assistance in using your telescope contact: Celestron Customer Service Department - Celestron PowerSeeker 80EQ Telescope | PowerSeeker 80 EQ Manual - Page 19
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 2005 Celestron All rights reserved. (Products or instructions may change without notice or obligation.) Item # 21048-INST $10.00 01-05 Printed in China
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