CELESTRON NEXSTAR 4SE TELESCOPE

CELESTRON NEXSTAR 4SE TELESCOPE

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 straight through (with optional diagonal) or at 90 degrees
    * 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
    * Includes CD-ROM "The Sky" Astronomy Software which provides education about the sky and printable sky maps

NexStar 4SE - 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
    * GPS-compatible with optional SkySync GPS Accessory (93969)

SPECIFICATIONS:

Optical Design :                                          Maksutov-Cassegrain
Aperture  :                                                    102 mm (4.02 in)
Focal Length :                                             1325 mm (52.17 in)
Focal Ratio :                                                12.99
Finderscope :                                              StarPointer
Dovetail Compatibility :                              Quick Release Tube Clamp
Mount :                                                          Single Fork Arm Altazimuth
Optical Tube :                                              Aluminum
Eyepiece 1 :                                                 25 mm (0.98 in)
Magnification 1 :                                          53 x
Star Diagonal :                                            Internal Flip mirror for straight thru or 90 viewing angle
Other Equipment :                                      Camera Shutter Cable
Tripod:                                                          Steel with built-in wedge
CD ROM :                                                     NexRemote V1.6.14 & "The Sky®" Level 1
Power Supply Learn More :                      8-AA batteries (not included)
Highest Useful Magnification :                241 x
Lowest Useful Magnification :                15 x
Limiting Stellar Magnitude :                    12.5
Resolution (Rayleigh) :                            1.37 arcsec
Resolution (Dawes)  :                              1.14 arcsec
Light Gathering Power :                           212 x
Angular Field of View  :                             1 °
Linear Field of View (@1000 yds):         53 ft (16.15 m)
Optical Coatings:                                      StarBright XLT
Secondary Mirror Obstruction:               1.38 in (35.05 mm)
Secondary Mirror Obstruction by Area:11.8 %
Secondary Mirror Obstruction by Dia:   34.4 %
Optical Tube Length  :                             13.5 in (342.9 mm)
Telescope Weight :                                  11 lbs (4.99 kg)
Tripod and Mount Weight  :                     10 lbs (4.54 kg)
Motor Drive :                                                Integrated D.C. Electronics
Computer Hand Control:                         Double line, 16 character Liquid Crystal Display with 19 fiber optic backlit LED buttons
Slew Speeds :                                           Nine slew speeds: 4°/sec, 2°/sec, 1°/sec, 64x, 16x, 8x, 4x, 1x, .5x
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
Database :                                                  38,181 accessible objects
Software Precision :                                  24 bit, 0.08 arcsec calculations
Communication Ports :                            RS-232 communication port on hand control, Aux port, Camera Control port
Tracking Rates :                                        Sidereal, Solar and Lunar