Celestron NexStar 4SE Computerized Telescope

{Description}Celestron’s iconic “orange tube” design is updated with all the latest features to provide the best stargazing experience for beginners and experienced observers alike.
4-inch aperture provides excellent light-gathering ability at an affordable price. You’ll get impressive views of the Moon and planets, along with deep sky objects like the Orion Nebula, while retaining a compact form factor.
Fully automated GoTo mount with database of 40,000+ celestial objects automatically locates and tracks objects for you.
SkyAlign technology gets your telescope aligned and ready to observe in minutes. Even if you’re unfamiliar with the night sky, you can easily align your telescope on any three bright objects.
Unique single fork arm design and sturdy steel tripod all break down into separate components for easy transport and quick assembly.


{Specification}
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™ red dot finderscope
Star Diagonal
Internal Flip mirror for straight thru or 90° 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 (.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:

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
50.8mm (2") 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 3°/second
Tracking Rates
Sidereal, Solar and Lunar
Tracking Modes
Alt-Az, EQ North & 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) | 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
38,181 accessible objects. Enhanced information on over 200 objects.
Software
Celestron's Starry Night Special Edition Software, SkyPortal App
Total Kit Weight
23 lbs (5 kg)
Included Items
NexStar SE OTA | Single Fork Arm Mount | Tripod | Accessory Tray | Star Pointer Finderscope | Built-In Wedge | NexStar+ Hand Control | 25mm eyepiece