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TECHNICAL SPECIFICATIONS

Star Hopper

#10600

Star Hopper

#10800

Star Hopper

#10110

Star Hopper

#10112

Aperture 6

”

Focal Length

48" (1219mm)

50" (1270mm)

60" (1500mm)

f/#

f/8 f/6 f/5 f/5

Eyepieces

25mm - 1.25”

32mm - 2"

Magnification

49x 49x 40x 47x

Secondary Size

1.5 “

1.95”

2.5”

2.75”

Obstruction

25% by diameter
6.3% by area

24% by diameter
5.9% by area

25% by diameter
6.3% by area

23% by diameter
5.3% by area

Primary Mirror

BK7 BK7 BK7 BK7

Cooling

N/A N/A Fan Fan

Mirror Cell

3-point 3-point 9-point 9-point

Azimuth Bearing

Roller track

Altitude Bearing

Nylon Bearing

Tension System

Variable friction clutch Variable friction clutch Variable friction clutch Variable friction clutch

Highest useful power

359x 480x 600x 721x

Lowest useful power

22x 29x 36x 44x

Resolution: Rayleigh Criterion
Dawes Criterion

.91 arcsec
.76 arcsec

.68 arcsec
.57 arcsec

.54 arcsec
.46 arcsec

.45 arcsec
.38 arcsec

Field of view with standard eyepiece

1.03

.83

Exit pupil with standard eyepiece

3.1mm 4.2mm 5mm 5.1mm

Light gathering power (times the
unaided eye)

472 843 1317

1898

Limiting visual magnitude

13.4 14 14.5 14.9

Optical tube length

45” 45” 48” 58”

Содержание 10110

Страница 1: ...S St ta ar rH Ho op pp pe er r T Te el le es sc co op pe e I IN NS ST TR RU UC CT TI IO ON N M MA AN NU UA AL L...

Страница 2: ...12 COLLIMATION 13 ALIGNING THE SECONDARY MIRROR 13 ALIGNING THE PRIMARY MIRROR 13 NIGHT TIME STAR COLLIMATION 14 TELESCOPE BASICS 16 FOCUSING THE TELESCOPE 16 CALCULATING MAGNIFICATION 16 DETERMINING...

Страница 3: ...iques for finding these objects Finally the fifth sections covers cleaning and care of the telescope s optics In addition to the major sections mentioned previously there is a list of optional accesso...

Страница 4: ...sion Altitu Variable Tension Altitu Variable Tension Altitu Variable Tension Altitude de de de Clutch and Handle Clutch and Handle Clutch and Handle Clutch and Handle Collimation Screws Collimation Sc...

Страница 5: ...tion section of this manual Deep sky objects celestial objects outside the boundaries of our solar system Extended objects large celestial objects other than stars such as nebulae and galaxies Field o...

Страница 6: ...yepiece Tray Eyepiece Tray Eyepiece Tray Eyepiece Tray Collimation Cap Collimation Cap Collimation Cap Collimation Cap Before the telescope can be used the mount must be assembled The box with the mou...

Страница 7: ...ase Side Panels Front Panel Eyepiece Accessory Tray Handle Base Plate Azimuth Bearing Plates Ground Plate Triangular on 10 and 12 models Rubber Feet Azimuth Tension Bolt Tension Spring Washer Metal Sl...

Страница 8: ...ntil the head of the screw is below the surface of the base plate 5 Locate the ground plate Use the three 1 wood screws to attach the rubber feet into the bottom of the ground plate 6 Place the azimut...

Страница 9: ...screws Align the base handle with the thread holes in the front panel Insert a bolt through the handle and thread into the front panel Align each altitude nylon cylinder with the holes on the inside o...

Страница 10: ...l of the base and into the hole of the altitude bearing located on the same side as the focuser Turn clockwise to tighten 3 Place a washer over the remaining handle and thread the handle into the alti...

Страница 11: ...e telescope 4 The finderscope bracket will slide in from the back The finderscope should be oriented so that the objective lens is toward the front open end of the telescope 5 Tighten the set screw on...

Страница 12: ...and 2 barrel diameter To use a 2 barrel eyepiece the 1 1 4 eyepiece adapter must first be removed To do this simply loosen the two chrome thumbscrews located around the focuser barrel and remove the 1...

Страница 13: ...tub completely using the focusing knobs until the draw tube is no longer visible You will be looking through the focuser at a reflection of the secondary mirror projected from the primary mirror Durin...

Страница 14: ...r The telescope should be set up at night and a star s image should be studied at medium to high power 30 50 power per inch of aperture If a non symmetrical out of focus pattern is present see figure...

Страница 15: ...your eyepiece by adjusting the collimation screws toward the three o clock position in the field of view It may only be necessary to adjust a screw enough to move the star s image from the center of...

Страница 16: ...length of the eyepiece 25mm For example dividing the focal length of the Star Hopper 8 1200mm by 25mm yields a magnification of 48 power Although the power is variable each telescope used under averag...

Страница 17: ...ause the moon 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 power Consult a current astronomy magaz...

Страница 18: ...hopping and a finderscope is very helpful Star hopping is done by using bright stars to guide you to an object For successful star hopping it is helpful to know the field of view of you telescope If...

Страница 19: ...ng on a line connecting the two stars 6 Look through the telescope and the Ring Nebula should be in your field of view The Ring Nebula s angular size is quite small and therefore not visible in the fi...

Страница 20: ...hin allowing light from the brightest stars through Hazy skies absorb more light than clear skies making fainter objects hard to see and reducing contrast on brighter objects Dust particles and gases...

Страница 21: ...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 stan...

Страница 22: ...he image but cleaning the optics too often can damage the mirror s reflective coatings Also take precautions to keep dust out of your telescope If cleaning is necessary remove the primary mirror from...

Страница 23: ...nt 9 point Azimuth Bearing Roller track Roller track Roller track Roller track Altitude Bearing Nylon Bearing Nylon Bearing Nylon Bearing Nylon Bearing Tension System Variable friction clutch Variable...

Страница 24: ...ned for low to high power observing The Pl ssls offer razor sharp views across the entire field even at the edges In the 1 1 4 barrel diameter they are available in the following focal lengths 4mm 6mm...

Страница 25: ...r Set 93608 The polarizing filter set limits the transmission of light to a specific plane thus increasing contrast between various objects This is used primarily for terrestrial lunar and planetary o...

Страница 26: ...ction or deterioration due to normal wear is not covered by this warranty CELESTRON DISCLAIMS ANY WARRANTIES EXPRESS OR IMPLIED WHETHER OF MERCHANTABILITY OF FITNESS FOR A PARTICULAR USE EXCEPT AS EXP...

Страница 27: ...ce CA 90503 U S A Tel 310 328 9560 Fax 310 212 5835 Web site at www celestron com Copyright 2004 Celestron All rights reserved Products or instructions may change without notice or obligation Item 108...

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