Version

27

Get Alt-Az

27

Goto Alt-Az

27

Hibernate

27

Turn On/Off GPS

27

TELESCOPE BASICS

29

Image Orientation

29

Focusing

30

Aligning the Finderscope

30

Calculating Magnification

30

Determining Field of View

31

General Observing Hints

31

ASTRONOMY BASICS

32

The Celestial Coordinate System

32

Motion of the Stars

33

Finding the North Celestial Pole

35

Declination Drift Method of Polar Alignment

36

CELESTIAL OBSERVING

37

Observing the Moon

37

Lunar Observing Hints

37

Observing the Planets

37

Observing the Sun

37

Solar Observing Hints

38

Observing Deep Sky Objects

38

Seeing Conditions

38

Transparency

38

Sky Illumination

38

Seeing

38

Using the Lens Cap Aperture Stop

39

ASTROPHOTOGRAPHY

40

Piggyback

40

Short Exposure Prime Focus Photography

41

Terrestrial Photography

42

Metering

42

Reducing Vibration

42

Auto Guiding

43

TELESCOPE MAINTENANCE

44

Care and Cleaning of the Optics

44

Collimation

44

OPTIONAL ACCESSORIES

46

APPENDIX A – TECHNICAL SPECIFICATIONS

49

APPENDIX B – GLOSSARY OF TERMS

50

APPENDIX C – LONGITUDES AND LATITUDES

53

APPENDIX D – RS-232 CONNECTION

58

APPENDIX E – TIME ZONE MAP

60

SKY MAPS

62

3

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Celestron C6-RGT manual Version Get Alt-Az Goto Alt-Az Hibernate Turn On/Off GPS

C6-R, C6-RGT specifications

The Celestron C6-RGT and C6-R models, part of the Advanced Series GT lineup, are popular choices for amateur astronomers seeking high-quality optics and reliable features. The C6-RGT, equipped with a 6-inch refractor, is designed for both visual and astrophotographic pursuits. Its impressive features make it a great option for anyone looking to explore the night sky in greater detail.

One of the standout characteristics of the C6-RGT is its large 6-inch aperture, which allows for exceptional light-gathering capability. This feature is crucial for viewing faint celestial objects, giving users the ability to observe details in nebulae, galaxies, and star clusters. The refractor design minimizes chromatic aberration, ensuring sharp and clear images across a wide range of viewing conditions.

The telescope comes with a fully multi-coated optics system that enhances light transmission and contrast, creating brighter and clearer images. The C6-R is also designed with a robust aluminum tube that not only ensures durability but also helps maintain stability during long observing sessions.

The Advanced Series GT mount is another essential element of the C6-RGT and C6-R models. This computerized mount features a sturdy, stable design that supports a wide range of telescopes while providing smooth tracking of celestial objects. The GoTo technology allows users to locate and track over 40,000 celestial objects with ease. This high level of automation is particularly helpful for beginners who may be unfamiliar with the night sky.

Another notable feature of the Advanced Series GT is its ability to be controlled through a smartphone or tablet, thanks to Celestron's SkyPortal app. This integration opens doors for enhanced stargazing experiences, offering customizable tours and educational information right at your fingertips.

In terms of usability, both models have a comfortable height and the mount can be easily adjusted to accommodate various observing positions. The telescope is also portable, making it convenient for outreach events or trips to dark-sky locations.

Overall, the Celestron C6-RGT and C6-R models, with their combination of powerful optics, advanced technology, and user-friendly features, represent an excellent choice for both budding astronomers and passionate enthusiasts. With Celestron’s commitment to quality and innovation, these telescopes promise to deliver unforgettable views of the wonders of the universe.