Celestron NexStar 4SE Computerized Telescope
Celestron NexStar 4SE Computerized Telescope
(Celestron 11049)
We Think You Should Know
- 4" Cassegrain Telescope
- State-of-the-Art Features
- Excellent Sky View
- Fully Automated GoTo Mount
- 40,000+ Celestial Objects
- Unique Single Fork Arm
Overview
Celestron's signature orange-tube telescope combines advanced features and excellent optics in one easy-to-use system, the NexStar 4SE. It's the perfect choice for your first serious telescope, offering striking views at an economical price.
OPTICAL TUBE INFO: | |
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Optical Design: | Maksutov-Cassegrain |
Aperture: | 102mm (4.02") |
Focal Length: | 1325mm (52") |
Focal Ratio: | f/13 |
Focal Length of Eyepiece 1: | 25mm (0.98") |
Magnification of Eyepiece 1: | 53x |
Finderscope: | StarPointer(TM) red dot finderscope |
Star Diagonal: | Internal Flip mirror for straight thru or 90o viewing angle |
Optical Tube: | Aluminum |
Highest Useful Magnification: | 241x |
Lowest Useful Magnification: | 15x |
Limiting Stellar Magnitude: | 12.5 |
Resolution (Rayleigh): | 1.37 arc seconds |
Resolution (Dawes): | 1.14 arc seconds |
Light Gathering Power (Compared to human eye): | 212x |
Secondary Mirror Obstruction: | 35mm (0.38") |
Secondary Mirror Obstruction by Diameter: | 34% |
Secondary Mirror Obstruction by Area: | 12% |
Optical Coatings: | StarBright XLT |
Optical Tube Length: | 343mm (13.5") |
Optical Tube Diameter: | 125mm (4.9") |
Optical Tube Weight: | 6 lbs (2.7 kg) |
Dovetail: | CG-5 Dovetail bar |
MOUNT INFO: | |
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Mount Type: | Computerized Altitude-Azimuth Single Fork Arm |
Instrument load capacity: | 10 lbs (4.54 kg) |
Height adjustment range (includes mount and tripod): | 939.8mm - 2397mm (37" - 55") |
Tripod leg diameter: | 38.1mm (1.5") Stainless Steel |
Mount Head Weight: | 7 lbs (3.2 kg) |
Accessory Tray: | Yes |
Tripod Weight: | 10 lbs (4.54 kg) |
Slew Speeds: | 9 slew speeds - max speed 3o/second |
Tracking Rates: | Sidereal, Solar and Lunar |
Tracking Modes: | Alt-Az, EQ North and EQ South |
GPS: | N/A |
Dovetail Compatibility: | CG-5 dovetail |
Number of Auxiliary Ports: | 1x AUX Port |
Autoguide Port: | No |
USB Port: | Yes, Hand Control input |
Power Requirements: | 8-AA batteries (not included) and 12 VDC-750 mA (Tip positive) |
Motor Drive: | DC servo motors |
Alignment Procedures: | SkyAlign, 1-Star Align, 2-Star Align, Auto 2-Star Align, Solar System Align, EQ North / EQ South Alignment (EQ align requires an equatorial wedge) |
Periodic Error Correction: | No |
Computerized Hand Control: | Double line, 18 character Liquid Crystal Display with 19 fiber optic backlit LED buttons |
NexStar+ Database: | Over 40,000 accessible objects. Enhanced information on over 200 objects. |
Software: | Celestron Starry Night Special Edition Software and SkyPortal App |
Total Kit Weight: | 23 lbs (10.4 kg) |
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