Celestron 21072 Manual de Instruções

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10 MMoovviinngg tthhee TTeelleessccooppee MMaannuuaallllyy In order to properly balance your telescope, you wil

11 Figure 2-22 and Figure 2-23 fff -14 AAddjjuussttiinngg tthhee EEqquuaattoorriiaall MMoouunntt In order for a motor drive to track accur

12 A telescope is an instrument that collects and focuses light. The nature of the optical design determines how the light is focused. Some te

13 Image orientation as seen with the unaided eye & using erecting devices on refractors & Newtonians Inverted image, normal with Newton

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15 DDeetteerrmmiinniinngg FFiieelldd ooff VViieeww Determining the field of view is important if you want to get an idea of the

Up to this point, this manual covered the assembly and basic operation of your telescope. However, to understand your telescope more thoroughly, y

17 Figure 4-3 PPoollaarr AAlliiggnnmmeenntt wwiitthh LLa

18 PPooiinnttiinngg aatt PPoollaarriiss This method utilizes Polaris as a guidepost to the celestial pole. Sin

19 Figure 4-6 Aligning the equatorial mount to the polar axis of the Earth AAlliiggnniinngg tthhee

2 Table of Contents INTRODUCTION ...

20 With your telescope set up, you are ready to use it for observing. This section covers visual observing hint

21 OObbsseerrvviinngg DDeeeepp SSkkyy OObbjjeeccttss Deep-sky objects are simply those objects outside the bo

22 The AstroMaster series of telescopes was designed for visual observing. After looking at the night sky for a

23 While your telescope requires little maintenance, there are a few things to remember that will ensure your tel

24 Aligning the Primary Mirror Now adjust the primary mirror screws to re-center the reflection of the small secon

25 Figure 7-3 A collimated telescope should appear as a symmetrical ring pattern similar to the diffraction disk seen here. With Polaris or a bri

26 You will find that additional accessories for your AstroMaster telescope will enhance your viewing pleasure and expand the usefulness of your

27 AstroMaster Specifications AstroMaster Specifications 21064 31045 AM 90 EQ AM 130 EQ Optical

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

3 Congratulations on your purchase of an AstroMaster Series telescope. The AstroMaster Series of telescopes come in several different models an

4 Figure 1-1 AstroMaster 90 EQ Refractor 1. Telescope Optical Tube 9. Latitude Adjustment Screw 2. Dov

5 Figure 1-2 AstroMaster 130 EQ Newtonian

6 This section covers the assembly instructions for your AstroMaster telescope. Your telescope should be set up indoor the first time so that i

7 AAttttaacchhiinngg tthhee EEqquuaattoorriiaall MMoouunntt The equatorial mount allows you to tilt the telescopes axis of rotation so tha

8 AAttttaacchhiinngg tthhee SSllooww MMoottiioonn CCaabblleess The AstroMaster mount comes with two slow motion control cables that all

9 Figure 2-17 F