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Omni XLT 120
Celestron Omni XLT 120 Telescope Manuals
Manuals and User Guides for Celestron Omni XLT 120 Telescope. We have
2
Celestron Omni XLT 120 Telescope manuals available for free PDF download: Instruction Manual
Celestron Omni XLT 120 Instruction Manual (62 pages)
Omni XLT Series
Brand:
Celestron
| Category:
Telescope
| Size: 9.2 MB
Table of Contents
Table of Contents
2
Introduction
4
Warning
4
Assembly
8
Setting up the Tripod
8
Attaching the Equatorial Mount
9
Attaching the Center Leg Brace
10
Installing the Counterweight Bar
10
Installing the Counterweights
11
Attaching the Slow Motion Control Knobs (Cables)
11
Attaching the Telescope Tube to the Mount
12
Installing the Finderscope
13
Installing the Visual Back
13
Installing the Star Diagonal
14
Installing the Eyepieces
14
Moving the Telescope Manually
15
Balancing the Mount in R.A
15
Balancing the Mount in DEC
16
Adjusting the Mount
16
Adjusting the Mount in Altitude
17
Adjusting the Mount in Azimuth
17
Telescope Basics
18
Image Orientation
20
Focusing
20
Aligning the Finderscope
21
Calculating Magnification
21
Determining Field of View
22
General Observing Hints
22
Astronomy Basics
23
The Celestial Coordinate System
23
Motion of the Stars
24
Latitude Scale
25
Pointing at Polaris
25
Finding the North Celestial Pole
26
Polar Alignment in the Southern Hemisphere
27
Pointing at Sigma Octantis
28
Finding the South Celestial Pole (SCP)
28
Declination Drift Method of Polar Alignment
29
Aligning the R.A. Setting Circle
30
Using the R.A. Vernier Scale
31
Celestial Observing
32
Observing the Moon
32
Lunar Observing Hints
32
Observing the Planets
32
Observing the Sun
33
Solar Observing Hints
33
Observing Deep Sky Objects
33
Seeing Conditions
33
Transparency
33
Sky Illumination
33
Seeing
34
Using the Lens Cap Aperture Stop with Refractor Telescopes
34
Astrophotography
35
Piggyback Photography
35
Short Exposure Prime Focus Photography for Refractors & Newtonians
36
Short Exposure Prime Focus Photography for Schmidt-Cassegrains
36
Eyepiece Projection for a Schmidt-Cassegrain
37
Long Exposure Prime Focus Photography
38
Planetary and Lunar Photography with Special Imagers
39
CCD Imaging for Deep Sky Objects
40
Terrestrial Photography
40
Metering
40
Reducing Vibration
40
Telescope Maintenance
41
Care and Cleaning of the Optics
41
Collimation of Refractors
41
Collimation of a Schmidt-Cassegrain
42
Collimation of a Newtonian
44
Aligning the Secondary Mirror
44
Aligning the Primary Mirror
44
Night Time Star Collimating
46
Optional Accessories
48
Appendix A Technical Specifications
51
Appendix B - Glossary of Terms
52
Sky Maps
55
Celestron Two Year Warranty
61
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Celestron Omni XLT 120 Instruction Manual (60 pages)
Omni XLT Series Telescopes
Brand:
Celestron
| Category:
Telescope
| Size: 3.34 MB
Table of Contents
Table of Contents
2
Introduction
4
Warning
4
Assembly
8
Setting up the Tripod
8
Attaching the Equatorial Mount
9
Attaching the Center Leg Brace
10
Installing the Counterweight Bar
10
Installing the Counterweights
11
Attaching the Slow Motion Knobs
11
Attaching the Telescope Tube to the Mount
12
Installing the Finderscope
13
Installing the Visual Back
13
Installing the Star Diagonal
14
Installing the Eyepieces
14
Moving the Telescope Manually
15
Balancing the Mount in R.A
15
Balancing the Mount in DEC
16
Adjusting the Mount
16
Adjusting the Mount in Altitude
17
Adjusting the Mount in Azimuth
17
Telescope Basics
18
Image Orientation
20
Focusing
20
Aligning the Finderscope
21
Calculating Magnification
21
Determining Field of View
22
General Observing Hints
22
Astronomy Basics
23
The Celestial Coordinate System
23
Motion of the Stars
24
Latitude Scale
25
Pointing at Polaris
25
Finding the North Celestial Pole
26
Declination Drift Method of Polar Alignment
27
Aligning the R.A. Setting Circle
28
Using the R.A. Vernier Scale
29
Celestial Observing
30
Observing the Moon
30
Lunar Observing Hints
30
Observing the Planets
30
Observing the Sun
31
Solar Observing Hints
31
Observing Deep Sky Objects
31
Seeing Conditions
31
Transparency
31
Sky Illumination
31
Seeing
32
Using the Lens Cap Aperture Stop with Refractor Telescopes
32
Astrophotography
33
Piggyback Photography
33
Short Exposure Prime Focus Photography for Refractors & Newtonians
34
Short Exposure Prime Focus Photography for Schmidt-Cassegrains
34
Eyepiece Projection for a Schmidt-Cassegrain
35
Long Exposure Prime Focus Photography
36
Planetary and Lunar Photography with Special Imagers
37
CCD Imaging for Deep Sky Objects
38
Terrestrial Photography
38
Metering
38
Reducing Vibration
38
Telescope Maintenance
39
Care and Cleaning of the Optics
39
Collimation of Refractors
39
Collimation of a Schmidt-Cassegrain
40
Collimation of a Newtonian
42
Night Time Star Collimating
44
Optional Accessories
46
Appendix A Technical Specifications
49
Appendix B - Glossary of Terms
50
Sky Maps
53
Celestron Two Year Warranty
59
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