Manual de instrucciones de Celestron Astromaster 70az C21061

Manual de instrucciones del aparato Celestron Astromaster 70az C21061

Aparato: Celestron Astromaster 70az C21061
Categoría: Muebles
Fabricante: Celestron
Tamaño: 2.32 MB
Fecha de añadido: 5/1/2013
Número de páginas: 26
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Resumen del contenido incluido en la página 12

Determining Field of View Determining Field of View Determining the field of view is important if you want to get an idea of the angular size of the object you are observing. To calculate the actual field of view, divide the apparent field of the eyepiece (supplied by the eyepiece manufacturer) by the magnification. In equation format, the formula looks like this: Apparent Field of Eyepiece True Field = ⎯ ⎯⎯⎯⎯ ⎯⎯ ⎯⎯⎯⎯ ⎯⎯ Magnification

Resumen del contenido incluido en la página 13

Up to this point, this manual covered the assembly and basic operation of your telescope. However, to understand your telescope more thoroughly, you need to know a little about the night sky. This section deals with observational astronomy in general and includes information on the night sky and polar alignment. For telescopes with equatorial mounts, the users have setting circles and polar alignment methods to help them find objects in the sky. With your altazimuth mount, you can

Resumen del contenido incluido en la página 14

Motion of the Stars Motion of the Stars The daily motion of the Sun across the sky is familiar to even the most casual observer. This daily trek is not the Sun moving as early astronomers thought, but the result of the Earth's rotation. The Earth's rotation also causes the stars to do the same, scribing out a large circle as the Earth completes one rotation. The size of the circular path a star follows depends on where it is in the sky. Stars near the celestial equator form the larg

Resumen del contenido incluido en la página 15

With your telescope set up, you are ready to use it for observing. This section covers visual observing hints for both solar system and deep sky objects as well as general observing conditions which will affect your ability to observe. O Ob bs se er rv viin ng g t th he e M Mo oo on n Often, it is tempting to look at the Moon when it is full. At this time, the face we see is fully illuminated and its light can be overpowering. In addition, little or no contrast can be

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Observing Deep Sky Objects Observing Deep Sky Objects Deep-sky objects are simply those objects outside the boundaries of our solar system. They include star clusters, planetary nebulae, diffuse nebulae, double stars and other galaxies outside our own Milky Way. Most deep-sky objects have a large angular size. Therefore, low-to-moderate power is all you need to see them. Visually, they are too faint to reveal any of the color seen in long exposure photographs. Instead, they appear

Resumen del contenido incluido en la página 17

Star hopping to the Andromeda Galaxy (M31) is a snap, since all the stars needed to do so are visible to the naked eye. Star hopping will take some getting used to and objects that don’t have stars near them that are visible to the naked eye are challenging. One such object is M57 (Figure 5-2), the famed Ring Nebula. Here's how to find it: 1. Find the constellation of Lyra, a small parallelogram visible in the summer and fall months. Lyra is easy to pick out because it contains the

Resumen del contenido incluido en la página 18

Seeing Conditions Seeing Conditions Viewing conditions affect what you can see through your telescope during an observing session. Conditions include transparency, sky illumination, and seeing. Understanding viewing conditions and the effect they have on observing will help you get the most out of your telescope. Transparency Transparency is the clarity of the atmosphere which is affected by clouds, moisture, and other airborne particles. Thick cumulus clouds are completely

Resumen del contenido incluido en la página 19

The AstroMaster series of telescopes was designed for visual observing. After looking at the night sky for a while you may want to try your hand at photography of it. There are several forms of photography possible with your telescope for celestial as well as terrestrial pursuits. Below is just a very brief discussion of some of the methods of photography available and suggest you search out various books for detailed information on the subject matter. As a minimum you will need a

Resumen del contenido incluido en la página 20

While your telescope requires little maintenance, there are a few things to remember that will ensure your telescope performs at its best. Care and Cleaning of the Optics Care and Cleaning of the Optics Occasionally, dust and/or moisture may build up on the objective lens or primary mirror depending on which type of telescope you have. Special care should be taken when cleaning any instrument so as not to damage the optics. If dust has built up on the optics, remove it with

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AstroMaster Series Telescopes
AstroMaster Series Telescopes


INSTRUCTION MANUAL
INSTRUCTION MANUAL


● ● A As st tr ro oM Ma as st te er r 7 70 0A AZ Z # # 2 21 10 06 61 1 ● ●A As st tr ro oM Ma as st te er r 9 90 0A AZ Z # # 2 21 10 06 63 3 ● ● A As st tr ro oM Ma as st te er r 1 11 14 4A AZ Z # # 3 31 10 04 43 3

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Table of Contents INTRODUCTION .......................................................................................................................... 3 ASSEMBLY ................................................................................................................................... 6 Setting up the Tripod .................................................................................................................. 6 Moving the Telescope Manually ...............

Resumen del contenido incluido en la página 3

Congratulations on your purchase of an AstroMaster Series telescope. The AstroMaster Series of telescopes come in several different models and this manual covers three models mounted on the Alt-AZ Mount ((an altazimuth is the simplest type of mount with two motions – altitude (up & down) and azimuth (side-to-side)))-- 70mm refractor, 90mm refractor, and 114mm Newtonian. The AstroMaster Series is made of the highest quality materials to ensure stability and durability. All this adds up

Resumen del contenido incluido en la página 4

1 2 3 4 5 12 11 6 10 7 8 9 Figure 1-1 AstroMaster 90AZ Refractor (AstroMaster 70AZ refractor similar) 1. Objective Lens 7. Pan Handle 2. Telescope Optical Tube 8. Accessory Tray 3. Star Pointer Finderscope 9. Tripod 4. Eyepiece 10. Azimuth Lock 5. Diagonal 11. Alt-Az Mount 6. Focus Knob 12. Dovetail Mounting Bracket 4

Resumen del contenido incluido en la página 5

1 3 4 2 5 12 11 7 6 10 8 9 Figure 1-2 AstroMaster 114 AZ Newtonian 1. Star Pointer Finderscope 7. Azimuth Lock 2. Eyepiece 8. Accessory Tray 3. Tube Ring 9. Tripod 4. Telescope Optical Tube 10. Alt-Az Mount 5. Primary Mirror 11. Dovetail Mounting Bracket 6. Pan Handle 12. Focus Knob 5

Resumen del contenido incluido en la página 6

This section covers the assembly instructions for your AstroMaster telescope. Your telescope should be set up indoor the first time so that it is easy to identify the various parts and familiarize yourself with the correct assembly procedure before attempting it outdoor. Each AstroMaster comes in one box. The pieces in the box are – optical tube with attached sky pointer and tube rings (114 AZ only), Alt-Az mount with attached pan handle, 10mm eyepiece – 1.25”, 20mm eyepiece – 1.

Resumen del contenido incluido en la página 7

M Mo ov viin ng g t th he e T Te elle es sc co op pe e M Ma an nu ua alllly y The AstroMaster Alt-Az mount is easy to move wherever you want to point it. The up and down (altitude) is controlled by the pan handle (Figure 2-10). The side-to-side (azimuth) is controlled by the azimuth lock (Figure 2-9). The pan handle and the azimuth lock are both loosened by turning the handle and lock counterclockwise. When loose you can find your objects easily and then lock the controls. To loc

Resumen del contenido incluido en la página 8

IIn ns st ta alllliin ng g t th he e D Diia ag go on na all & & E Ey ye ep piie ec ce es s ( ( r re ef fr ra ac ct to or r) ) The diagonal is a prism that diverts the light at a right angle to the light path of the refractor. This allows you to observe in a position that is more comfortable than if you looked straight through. This diagonal is an erect image model that corrects the image to be right side up and oriented correctly left-to-right which is much easier to use for ter

Resumen del contenido incluido en la página 9

A telescope is an instrument that collects and focuses light. The nature of the optical design determines how the light is focused. Some telescopes, known as refractors, use lenses, .and other telescopes, known as reflectors (Newtonians), use mirrors. Developed in the early 1600s, the refractor is the oldest telescope design. It derives its name from the method it uses to focus incoming light rays. The refractor uses a lens to bend or refract incoming light rays, hence the name (se

Resumen del contenido incluido en la página 10

IIm ma ag ge e O Or riie en nt ta at tiio on n The image orientation changes depending on how the eyepiece is inserted into the telescope. When using a star diagonal with refractors, the image is right-side-up, but reversed from left-to-right (i.e., mirror image). If inserting the eyepiece directly into the focuser of a refractor (i.e., without the diagonal), the image is upside-down and reversed from left-to-right (i.e., inverted). However, when using the AstroMaster refractor

Resumen del contenido incluido en la página 11

On/Off Battery Compartment Switch Figure 3-4 Figure 3-5 To align the Star Pointer finderscope: 1. To turn on the Star Pointer, turn the switch to


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