Celestron 11050 Скачать руководство пользователя

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Eyepieces - A whole assortment of various sizes of 1 - 1/4" eyepieces are available to give you a wide range
of magnifications.

Eyepiece filters - A line of filters are available for 1-1/4" eyepieces to enhance your visual observations of
the Moon and planets.

Numerous other accessories are available. See the Celestron Accessory Catalog (#93685) or ask your
Celestron dealer for details.

LIST OF BRIGHT STARS

The following is a list of bright stars that can be used to align the R.A. setting circle. All coordinates are in
epoch 2000.0.

Epoch 2000.0

Star Name

H M S

R.A.

H M S

DEC

‘ “

Magnitude

Sirius

CMa

06 45 09

-16 42 58

-1.47

Canopus

Car

06 23 57

-52 41 44

-0.72

Arcturus

Boo

14 1540

+19 1057

-0.72

Rigel Kent.

Cen

14 39 37

-60 50 02

+0.01

Vega

Lyr

18 3656

+38 4701

+0.04

Capella

Aur

05 16 41

+45 59 53

+0.05

Rigel

Ori

05 14 32

-08 12 06

+0.14

Procyon

CMi

07 38 18

+05 1330

+037

Betelgeuse

Ori

05 55 10

+07 24 26

+OA1

Achernar

Eri

01 3743

-57 14 12

+0.60

Hadar

Cen

14 03 49

-60 22 22

+0.63

Altair

Aqi

19 5047

+08 52 06

+0.77

Aldebaran

Tau

04 35 55

+16 30 33

+0.86

Spica

Vir

13 25 12

-11 0941

+091

Antares

Sco

16 29 24

-26 25 55

+0.92

Fomalhaut

PsA

22 57 39

-29 37 20

+1.15

Pollux

Gem

07 45 19

+28 01 34

+1.16

Deneb

Cyg

20 41 26

+45 16 49

+1.28

Beta Crucis

Cru

12 47 43

-59 41 19

+1.28

Regulus

Leo

10 08 22

+11 58 02

+1.36

Содержание 11050

Страница 1: ...G 3 and G 5 Telescope Models 11090 11091 11050 11051 CG 3 Equatorial Mount Model 91503 A INSTRUCTION MANUAL ...

Страница 2: ... Knob R A Spur Gear Right Ascension Setting Circle Finder Bracket Eyepiece Star Diagonal Declination Locking Knob Azimuth Adjustment Knob Tripod Leg Counterweight Shaft Safety Screw Counterweight Shaft Counterweight Locking Screw Counterweight R A Slow Motion Knob R A Locking Knob Declination Setting Circle x 20 Photo Adapter Mounting Platform Used for the G 3 Mounting Block G 5 Only Corrector Pla...

Страница 3: ...racket for G 5 models 8x20 Erect Image Finderscope for G 3 models Counterweight Shaft and Counterweights 2 2 Kg Tripod Accessory Tray Declination Slow Motion Knob Right Ascension Slow Motion Knob 25mm SMA 1 Eyepiece 90º Star Diagonal 1 for G 5 Models 90º Hybrid Diagonal 1 for G 3 models The Sky level I CD ROM RA Motor Drive for models 11091 11051 Setting Up the Tripod The tripod legs come pre asse...

Страница 4: ...ight Bar into the declination shaft of the mount It threads into the mount opposite the telescope tube The Counterweight Bar is now installed Installing the Counterweight With the counterweight bar in place you are ready to attach the counterweight 1 Remove the safety thumbscrew on the end of the counterweight bar 2 Loosen the counterweight lock screw on the counterweight itself so that the centra...

Страница 5: ...opposite of the declination slow motion knob 3 Align the threaded hole over the portion of the 1 4 x 20 bolt that is exposed above the mounting platform 4 Turn the black knob located below the photo mounting platform counterclockwise to secure the optical tube to the mount Note You may attach your optical tube to any heavy duty photo tripod via the optical tube s mounting block if desired Attachin...

Страница 6: ... screwdriver Attaching the Finder to the Bracket With the bracket firmly attached to the telescope you are ready to attach the finder to the bracket 1 Thread the three screws into the finder bracket Tighten the screws until the ends are flush with the inner diameter of the bracket ring Do not thread them in completely or they will interfere with the placement of the finder 2 Slide the rubber O rin...

Страница 7: ...visual back 1 Remove the protective cap from the back of your telescope It is pressed onto the rear cell 2 Place the slip ring on the visual back over the threads on the rear cell 3 Tighten by rotating the slip ring clockwise until tight Once this is done you are ready to attach other accessories such as eyepieces and diagonal prisms If you want to remove the visual back rotate the slip ring count...

Страница 8: ...r the higher the magnification Generally you will use low to moderate power when viewing For more information on how to determine power see the section on Calculating Magnification Balancing the Telescope To eliminate undue stress on the mount the telescope should be properly balanced around the polar axis In addition proper balancing is crucial for accurate tracking if using a motor drive To bala...

Страница 9: ...making them difficult if not impossible to see For best results your first astronomical target should be a bright object like the Moon so that the image is visible even when out of focus Calculating Magnification The magnification or power of a telescope is variable depending upon the focal length of the eyepiece being used along with the focal length of the telescope To calculate the magnificatio...

Страница 10: ...e celestial equator in the constellation Pisces The prime R A coordinate which passes through this point is designated O hours O minutes O seconds We call this reference point the vernal equinox where it crosses the celestial equator All other coordinates are names for the number of hours minutes and seconds that they lag behind this coordinate after it passes overhead moving westward Given the ce...

Страница 11: ... Dipper They will point to Polaris The position of the Big Dipper will change during the year and throughout the course of the night When the Big Dipper is low in the sky i e near the horizon it may be difficult to locate Figure 8 Figure 9 To make finding and tracking the stars easier a rough polar alignment is required 1 The right ascension polar axis should be pointed towards the North Pole see ...

Страница 12: ...echnical support Aligning the R A Setting Circle Before you can use the setting circles to find objects in the sky you need to align the R A setting circle The declination setting circle is aligned during the process of polar alignment In order to align the R A setting circle you will need to know the names of a few of the brightest stars in the sky If you don t they can be learned by consulting t...

Страница 13: ...his process can be repeated for each object throughout any given night Telescope Maintenance With proper care your telescope should rarely need any maintenance work When not in use always replace all lens covers to keep dust and contaminants off the optical surfaces A small amount of dust on any optical surface is OK If the dust builds up then use a can of compressed air and then a camel s hair br...

Страница 14: ...rector plate You need to tighten the secondary collimation screw s that move the star across the field toward the direction of the skewed light These screws are located in the secondary mirror holder Make only a small 1 6 to 1 8 field correction and re center the star by moving the scope before making any improvements or before making further adjustments When using higher power 6mm and above colli...

Страница 15: ...ight Moon Filter 1 and T adapter C90 Accessory Package G 5 92509 Includes 10mm SMA eyepiece 1 125x Night Vision Flashlight Moon Filter 1 and T adapter Schmidt Cassegrains Carrying Case 302042 For G 3 only This ABS plastic case gives maximum protection to the optical tube of your G 3 telescope It has die cut foam to fit the optical tube as well as a camera body and several accessories Carrying Case...

Страница 16: ...0 0 Star Name H M S R A H M S DEC Magnitude Sirius CMa 06 45 09 16 42 58 1 47 Canopus Car 06 23 57 52 41 44 0 72 Arcturus Boo 14 1540 19 1057 0 72 Rigel Kent Cen 14 39 37 60 50 02 0 01 Vega Lyr 18 3656 38 4701 0 04 Capella Aur 05 16 41 45 59 53 0 05 Rigel Ori 05 14 32 08 12 06 0 14 Procyon CMi 07 38 18 05 1330 037 Betelgeuse Ori 05 55 10 07 24 26 OA1 Achernar Eri 01 3743 57 14 12 0 60 Hadar Cen 14...

Страница 17: ...ther product malfunction or deterioration due to normal wear is not covered by this warranty CI DISCLAIMS ANY WARRANTIES EXPRESS OR IMPLIED WHETHER OF MERCHANTABILITY OF FITNESS FOR A PARTICULAR USE EXCEPT AS EXPRESSLY SET FORTH HEREIN THE SOLE OBLIGATION OF CI UNDER THIS LIMITED WARRANTY SHALL BE TO REPAIR OR REPLACE THE COVERED PRODUCT IN ACCORDANCE WITH THE TERMS SET FORTH HEREIN CI EXPRESSLY D...

Страница 18: ...Torrance CA 90503 Tel 310 328 9560 Fax 310 212 5835 Web site http www celestron com Copyright 1999 Celestron International All rights reserved Products or instructions may change without notice or obligation Item 11050 ISNT Printed in China 01 99 ...

Страница 19: ......

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