APPENDIX A - TECHNICAL SPECIFICATIONS

Opttiicall Speciiffiicattiion

 

NexStar 60mm

NexStar 80mm

NexStar 102mm

NexStar 114mm

NexStar 130mm

Design

Refractor

Refractor

Refractor

Reflector

Reflector

Aperture

60mm

80mm

102mm

114mm

130mm

Focal Length

700mm

900mm

660mm

1000mm

650mm

F/ratio of the Optical System

12

11

6.5

9

5

Optical Coatings

Fully Coated

Fully Coated

Multi Coated

Aluminum

Aluminum

Highest Useful Magnification

175x

189x

240x

269x

306x

Resolution: Rayleigh Criterion

2.31 arc seconds

1.73 arc seconds

1.36 arc seconds

1.21 arc seconds

1.06 arc seconds

Dawes Limit

1.93 arc seconds

1.45 arc seconds

1.14 arc seconds

1.02 arc seconds

.89 arc seconds

Light Gathering Power

73x unaided eye

131x unaided eye

212x unaided eye

265x unaided eye

345x unaided eye

Field of View: Standard Eyepiece

1.6º

1.3º

1.7º

1.1º

1.7º

Linear Field of View (at 1000

84feet

66 feet

91 feet

59 feet

91 feet

yds)

 

 

 

 

 

Eyepiece Magnification:

28x (25mm)

36x (25mm)

26x (25mm)

40x (25mm)

26x (25mm)

 

78x (9mm)

100x (9mm)

73x (9mm)

111x (9mm)

62x (9mm)

Optical Tube Length

28 inches

34 inches

23 inches

19 inches

21 inches

Electronic Specifications

 

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Input Voltage

 

 

 

12

V DC Nominal

Batteries Required

 

 

8 AA Alkaline

Power Supply Requirements

 

12

VDC-750 mA (Tip positive)

Mechaniicall Speciifiicatiions

Motor: Type Resolution

Slew speeds

Hand Control

Fork Arm

DC Servo motors with encoders, both axes

.26 arc sec

Nine slew speeds: 4º /sec, 2º /sec, 1º/sec, .5 /sec, 32x, 16x, 8x, 4x, 2x

Double line, 16 character Liquid Crystal Display 19 fiber optic backlit LED buttons

Cast aluminum

Software Specifications

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Software Precision

 

16 bit, 20 arc sec. calculations

Ports

 

RS-232 communication port on hand control

Tracking Rates

 

Sidereal, Solar and Lunar

Tracking Modes

 

Alt-Az, EQ North & EQ South

Alignment Procedures

 

Sky Align, Auto 2-Star, 2-Star, One-Star, Solar System Align

Database

 

99 user defined programmable object.

 

 

Expanded information on over 100 objects

 

 

 

Total Object Database

 

4,033 Objects

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Nexstar 114, 60, 80, 102, 130 manual Appendix a Technical Specifications, Opttiicall Speciiffiicattiion

60, 130, 80, 102, 114 specifications

The Nexstar series telescopes, including the Nexstar 114, 102, 80, 130, and 60 models, represent a significant advancement in amateur astronomy, offering a blend of portability, user-friendly design, and advanced technology. Each model is uniquely tailored to cater to different levels of enthusiasts, from beginners to more experienced stargazers.

The Nexstar 114 boasts a 114mm aperture and a focal length of 1000mm, making it ideal for detailed views of planets and deep-sky objects. Its reflector design allows for higher light gathering capability, ensuring bright and clear images. The telescope features a computerized GoTo mount, allowing users to locate and track celestial objects with ease. Its ergonomic design and lightweight build emphasize portability, making it a great choice for both backyard and remote observing.

Next in the lineup is the Nexstar 102, equipped with a 102mm aperture. This refractor telescope is known for its exceptional color correction and crisp images, particularly for planetary viewing. The 102 is user-friendly, with a sturdy mount and easy setup that appeals to newcomers. Its computerized tracking system simplifies locating celestial bodies, enhancing the observing experience.

The Nexstar 80, with its 80mm aperture, is incredibly compact and travel-friendly, perfect for those who want to explore the night sky on the go. Despite its size, it provides impressive views of the moon and bright planets. The telescope offers a lightweight design and quick setup features, making it an excellent starter telescope for kids and casual stargazers.

For those seeking a larger aperture, the Nexstar 130 features a 130mm aperture that delivers stunning views of a variety of celestial objects. With a focal length of 650mm, this compact telescope excels in observing both planets and deep-sky objects. Its GoTo mount provides automated tracking, making it a favorite among intermediate users who desire a bit more capability without extensive setup.

Finally, the Nexstar 60 is an entry-level model that combines affordability with efficiency. With a 60mm aperture, it’s lightweight and extremely portable, perfect for casual observations. It’s equipped with a simple mount and straightforward controls, making it an ideal choice for children or those new to astronomy.

Overall, the Nexstar series telescopes are designed with advanced optics, computerized mounts, and user-friendly interfaces, making them suitable for a wide range of users, from novices to more experienced astronomers. Whether you are looking for ease of portability or more advanced features, there is a Nexstar model tailored to meet your needs and enhance your stargazing experience.