Celestron The G8 Bruksanvisning

Celestron Teleskop The G8

Läs gratis den bruksanvisning för Celestron The G8 (73 sidor) i kategorin Teleskop. Guiden har ansetts hjälpsam av 14 personer och har ett genomsnittsbetyg på 4.6 stjärnor baserat på 7.5 recensioner. Har du en fråga om Celestron The G8 eller vill du ställa frågor till andra användare av produkten? Ställ en fråga

Ladda ner PDF

Sida 1/73

The G-8

Model #11023

8" OPTICAL TUBE ASSEMBLY

Model #11023-1

CG-5 EQ Mount

Model # 91515

INSTRUCTION MANUAL

Table of Contents • i

T A B L E O F C O N T E N T S

▲▲▲▲

▲ INTRODUCTION.................................................................................................................................... 1

How to Use this Manual ................................................................................................................. 2

A Word of Caution .......................................................................................................................... 2

The Schmidt-Cassegrain Optical System ....................................................................................... 3

▲▲▲▲

▲ ASSEMBLING YOUR G - 8 ................................................................................................................... 4

The G-8 ......................................................................................................................................... 5

Assembling the CG-5 Equatorial Mount................................................................................ 6

Setting Up the Tripod ......................................................................................................... 6

Adjusting the Tripod Height ................................................................................................ 6

Attaching the Accessory Tray ........................................................................................... 7

Attaching the Equatorial Mount ......................................................................................... 8

Attaching the R.A. Slow Motion Knob ................................................................... 9

Attaching the Declination Slow Motion Knob........................................................ 10

Attaching the Counterweight Bar and Counterweights ..........................................11

Attaching the Telescope to the Mount ..............................................................................12

Removing the Lens Cap ....................................................................................................13

Balancing the Telescope in R.A. .......................................................................................14

Balancing the Telescope in DEC ......................................................................................14

Adjusting the Mount in Altitude ......................................................................................... 15

Adjusting the Mount in Azimuth........................................................................................15

Disassembling and Transporting Your G-8 ........................................................................16

Storing Your G-8 .............................................................................................................. 16

▲▲▲▲

▲ THE CELESTRON 8 OPTICAL TUBE ASSEMBLY ...............................................................................17

Setting Up your C8 OTA ....................................................................................................18

Installing the Finderscope ..................................................................................................18

Attaching the Finder Bracket to the Telescope ..................................................................18

Attaching the Finder to the Bracket ................................................................................... 19

Removing the Lens Cap..................................................................................................... 19

▲▲▲▲

▲ TELESCOPE BASICS ..........................................................................................................................20

Attaching the Accessories ............................................................................................................20

The Visual Back ...............................................................................................................20

The Star Diagonal ............................................................................................................. 20

The Eyepiece ................................................................................................................... 21

Image Orientation .......................................................................................................................... 22

Focusing .......................................................................................................................................23

Aligning the Finder ........................................................................................................................24

Your First Look ............................................................................................................................. 25

Daytime Observing ...........................................................................................................25

Nighttime Observing .........................................................................................................26

Calculating Magnification ...............................................................................................................27

Determining Field of View .............................................................................................................. 27

General Observing Hints ................................................................................................................28

General Photography Hints ........................................................................................................... 28

▲ ▲ ▲ ▲

▲ ASTRONOMY BASICS ........................................................................................................................29

The Celestial Coordinate System ..................................................................................................29

Motion of the Stars ........................................................................................................................30

ii Table of Contents•

Polar Alignment ............................................................................................................................. 31

Finding the Pole ............................................................................................................................32

Latitude Scales ................................................................................................................33

Pointing at Polaris ............................................................................................................34

Declination Drift ................................................................................................................35

Polar Alignment Finders ...................................................................................................36

Aligning the R.A. Setting Circle ........................................................................................36

▲ ▲

▲ CELESTIAL OBSERVING ................................................................................................................... 37

Observing the Moon ......................................................................................................................37

Observing the Planets ...................................................................................................................37

Observing the Sun ......................................................................................................................... 38

Observing Deep-Sky Objects .........................................................................................................39

Using the Setting Circles ..................................................................................................39

Star Hopping .................................................................................................................... 40

Viewing Conditions ........................................................................................................................42

Transparency.................................................................................................................... 42

Sky Illumination ................................................................................................................42

Seeing ..............................................................................................................................42

▲ ▲ ▲ ▲

▲ CELESTIAL PHOTOGRAPHY ............................................................................................................. 44

Short Exposure Prime Focus ........................................................................................................45

Piggyback .....................................................................................................................................47

Eyepiece Projection ......................................................................................................................49

Long Exposure Prime Focus .........................................................................................................51

CCD Imaging .................................................................................................................................53

Description of F-Numbers.........................................................................................................54

Imaging at f/1.95 ......................................................................................................................55

Imaging at f/6.3 ........................................................................................................................55

Imaging at f/10 .........................................................................................................................55

Imaging at f/20 .........................................................................................................................56

▲▲

▲ TELESCOPE MAINTENANCE ..............................................................................................................57

Care and Cleaning of the Optics ....................................................................................................57

Collimation ....................................................................................................................................57

▲ ▲

▲ OPTIONAL ACCESSORIES ................................................................................................................. 59

▲▲

▲ THE MESSIER CATALOG.................................................................................................................... 64

▲▲

▲ LIST OF BRIGHT STARS .................................................................................................................... 67

▲▲

▲ FOR FURTHER READING .................................................................................................................... 68

Produktspecifikationer

Varumärke:	Celestron
Kategori:	Teleskop
Modell:	The G8
Enhetsplacering:	Vrijstaand
Färg på produkten:	Wit
Dörrgångjärn:	Rechts
Bredd:	540 mm
Djup:	632 mm
Höjd:	838 mm
Dörrfärg:	Wit
Ljudnivå:	40 dB
Energie-efficiëntieklasse:	E
Årlig-energiförbrukning:	213 kWu
Frys nettokapacitet:	103 l
Fryskapacitet:	5 kg/24u
Dörröppningsriktning utbytbar:	Ja
Kylskåpets nettokapacitet:	103 l
Retentionstid vid strömavbrott:	12 uur
Antal fryshyllor:	3
antal stjärnor:	4*
Automatisk avfrostning (kylskåp):	Ja
Klimaatklasse:	SN-T
Automatisk avfrostning (frys):	Ja
Bulleremissionsklass:	C
Termostat:	Ja
Justerbar termostat:	Ja
Energieffektivitetsskala:	A tot G
Iskubshållare:	Ja