Description
Celestron Telescope - NexStar 4E Computerized
Overview
The Celestron Telescope - NexStar 4SE Computerizedcombines the classic heritage of the original orange tube telescopes with state-of-the-art features including a fully computerized operating system, flash upgradeable hand control,superior coatings, our revolutionary SkyAlign telescope alignment software and much more.Whether you are a seasoned astronomer looking for a portable scope with advanced features, or just starting your astronomy adventure and looking for an easy way to enjoy the night sky, a NexStar SE will help you take a closer look.Align your NexStar SE telescope in minutes with our new SkyAlign technology. Just point the telescope at three bright stars and let the computer do the rest. You dont even need to know the names of the stars!
General Features
4" Maksutov-Cassegrain telescope
SE combines the classic heritage of the original orange tube telescopes with the latest state-of-the-art features
StarBright XLT high transmission coatings come standard
StarPointer finderscope to help with alignment and accurately locating objects
Internal flip mirror for convenient viewing at 90 degrees or imaging straight through (with optional adapter).
Quick release fork arm mount, optical tube and accessory tray for no-tool setup
Sturdy computerized Altazimuth mount
Internal battery compartment to prevent cord wrap during use
Ultra sturdy steel tripod features built-in wedge which allows 4 SE to be used for astrophotography
The SkyX First Light Edition astronomy software with a 10,000 object database, printable sky maps and 75 enhanced images
Computerized Mount Features
Proven NexStar computer control technology
Nearly 40,000 object database with 200 user-definable objects and expanded information on over 200 objects
SkyAlign allows you to align on any three bright celestial objects, making for a fast and easy alignment process
Flash upgradeable hand control software and motor control units for downloading product updates over the Internet
Includes a camera control feature and shutter release cable that allows you to remotely take a series of exposures using your digital SLR camera
Custom database lists of all the most famous deep-sky objects by name and catalog number; the most beautiful double, triple and quadruple stars; variable stars; solar system objects and asterisms
DC Servo motors with encoders on both axes
Double line, 16-character Liquid Crystal Display Hand Control with backlit LED buttons for easy operation of goto features
NexRemote telescope control software and RS-232 cable included for advanced control of your telescope via computer
Specifications
Optical Design: Maksutov-Cassegrain
Aperture: 102 mm (4.02 in)
Focal Length: 1325 mm (52 in)
Focal Ratio: 13
Eyepiece 1: 25 mm (0.98 in)
Magnification 1: 53 x
Finderscope: StarPointer
Star Diagonal: Internal Flip mirror for straight thru or 90 viewing angle
Mount: Single Fork Arm Altazimuth
Optical Tube: Aluminum
Other Equipment: Camera Shutter Cable
Tripod: Steel with built-in wedge
Power Supply: 8-AA batteries (not included)
Highest Useful Magnification: 241 x
Lowest Useful Magnification: 15 x
Limiting Stellar Magnitude: 12.5
Resolution (Rayleigh): 1.37 arc seconds
Resolution (Dawes): 1.14 arc seconds
Light Gathering Power: 212 x
Angular Field of View (deg): 1
Linear Field of View (@1000 yds): 53 ft (16 m)
Secondary Mirror Obstruction: 1.38 in (35 mm)
Secondary Mirror Obstruction by Diameter: 34 %
Secondary Mirror Obstruction by Area: 12 %
Optical Coatings: StarBright XLT
Optical Tube Length: 13.5 in (343 mm)
Telescope Weight: 11 lbs (4.99 kg)
Tripod Weight: 10 lbs (4.54 kg) lbs (4.54 kg)
Payload Capacity: 10 lbs (4.54 kg)
Motor Drive: Integrated D.C. Electronics
Slew Speeds: Nine slew speeds: 4/sec, 2/sec, 1/sec, 64x, 16x, 8x, 4x, 1x, .5x
Tracking Rates: Sidereal, Solar and Lunar
Tracking Modes: Alt-Az, EQ North & EQ South
Software Features: Camera Control
Alignment Procedures: SkyAlign, Auto 2-Star Align, 1-Star Align, 2-Star Align, SolarSystem Align
Software Precision: 24 bit, 0.08 arcsec calculations
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