Celestron FIRSTSCOPE 90EQ Manual de usuario Pagina 1

FFIIRRSSTTSSCCOOPPEE 7700 && 9900 EEQQ TTEELLEESSCCOOPPEE IINNSSTTRRUUCCTTIIOONN MMAANNUUAALL FFiirrssttssccooppee 7700

10 3. Adjust the mount in altitude and/or azimuth until Polaris is in the field of view of the finder. 4. Center Polaris in the field of the teles

11 Using the Setting Circles Setting Circles are dials (or gauges) for right ascension and declination that allow you to locate cel

12 MMAAGGNNIIFFIICCAATTIIOONN ((PPOOWWEERR)) The magnification (or power) of a telescope is variable depending upon the focal length of the eyepiec

13CELESTIAL OBSERVING Now that your telescope is set up, you’re ready to use it for observing. This section covers visual observing for both solar

14Observing Deep-Sky Objects Deep-sky objects are simply those objects outside the boundaries of our solar system. They include star clusters, plan

15condition and five the best. Seeing conditions can be classified in one of three categories. The definitions of these categories are based on the

16SSPPEECCIIFFIICCAATTIIOONNSS #21076 #21085 Optical System: Refractor Refractor Aperture: 70mm (2.8") 90mm (3.5") Focal Length: 900

17• Ultima - Ultima is our 5-element, wide field eyepiece design. In the 1-1/4" barrel diameter, they are available in the following focal len

18black. You can see detail in sunspots, bright faculae near the limb and the mottled areas known as granules with these filters. The Sun offers con

19CELESTRON TWO YEAR WARRANTY A. Celestron warrants this telescope to be free from defects in materials and workmanship for two years. Celestron

2 FFiirrssttssccooppee RReeffrraaccttoorr 70mm EQ shown 126478 9 10 11 12 13 14 16 17 3 515

Celestron 2835 Columbia Street Torrance, CA 90503 U.S.A. Tel. (310) 328-9560 Fax. (310) 212-5835 Web site at www

3IDENTIFYING PARTS OF YOUR FIRSTSCOPE 1. Telescope Tube 10. Tripod 2. Tube Ring 11. Counterweight 3. Star Pointer Finderscope 12. C

4AAsssseemmbblliinngg YYoouurr TTeelleessccooppee 1) Your Firstscope telescope should include all of the following: a. Tripod with center supp

510) Loosen the set screw on the star diagonal so that it does not obstruct the inner diameter of the barrel. Insert the chrome barrel of the 20mm e

62. To turn on the Star Pointer, slide the On/Off switch to the 1 "On" position. To increase the brightness level of the red dot, slide th

7Actual image as seen with the unaided eye Inverted image, as viewed with the eyepiece directly in telescope TTeelleessccooppee BBaassiiccss A

8The Celestial Coordinate System To help find objects in the sky, astronomers use a celestial coordinate system that is similar to our geographical

9description of stellar motions also applies to the southern hemisphere except all stars south of the celestial equator move around the south celesti