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Why Purchase from All-Star Telescope?
Free Expert Support
Whether you are a first timer needing help with setting up or an enthusiast that can't quite make that one thing work, our expert staff are ready to support your needs. With decades of knowledge and first hand experience we've been there and we can help you through it!
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Shipping around for the best price is tough, we make it easier by offering the best pricing in the market. But if you find a better price on an in-store item somewhere else we will match it!
Recommended Accessories
Celestron Optical Tube Case for Nexstar 4/...
Celestron Luminos 10mm Eyepiece 1.25" (93431)
These are high quality wide field of view eyepieces designed to get the best out of any telescope. You'll be amazed at how this premium eyepiece wi...
Celestron Luminos 10mm Eyepiece 1.25" (93431)
Celestron PowerTank Lithium (18771)
This is a handy, rechargeable lithium battery pack. It'll last through even the longest observing sessions. It's a great way to power your telesco...
Celestron PowerTank Lithium (18771)
Celestron SkyPortal WiFi Adapter (93973)
Ditch the hand controller and add the power of wifi remote control to your telescope. Simply plug this into your AUX port and connect to the wifi n...
Celestron SkyPortal WiFi Adapter (93973)
Celestron SkySync GPS Accessory (93969)
This will speed up and simplify calibration of any Celestron goto telescope. It automatically tells the scope where in the world it is, and what th...
Celestron SkySync GPS Accessory (93969)
Celestron StarSense AutoAlign (94005)
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Celestron StarSense AutoAlign (94005)
110 Things to See With a Telescope by John...
This is our favorite book for beginners! It organizes 110 beginner-telescope friendly targets by viewing season, shows you where to find them, and ...
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Antares 1.25" Color Filters, Set of 4 (FS2)
Filters will add contrast to really bright objects like the moon and planets. To make the details pop, use the ND25 filter for the moon, and contr...
Antares 1.25" Color Filters, Set of 4 (FS2)
Orion RedBeam LED Motion Sensing Headlamp ...
Keep both hands free and retain your night vision with this versatile red beam led headlamp. No longer will you have to fumble with holding flashli...
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Why we love the Celestron NexStar 4SE Telescope (11049)
Product Description
The battery pack will mean you won't be hunting around for a fresh set of AA batteries every time you want to go observing. The higher power eyepiece will increase the magnification from the 53x that you gt out of the box to 130x magnification that's ideal for planetary viewing. The moon filter will add contrast and cut down on the brightness of the moon under magnification. These accessories will help you get the best out of your NexStar 4SE. Give us a call with any questions you have about accessories.
The Original, Reimagined for the 21st Century
More than 50 years ago, Tom Johnnson founded Celestron and revolutionized the world of amateur astronomy with large aperture, long focal length telescopes at affordable prices.The Celestron 8 brought the hobby of astronomy to the masses and established Celestron as the world’s premier telescope maker.
The current range of Celestron NexStar Telescopes build on this heritage by offering easy to use, telescopes with apertures that offer great views of our solar system and beyond.The Celestron NexStar 4SE comes loaded with a database of more than 40,000 objects it can track and display.
View the Universe's Most Impressive Celestial Objects
The 4SE's four-inch primary mirror packs enough light-gathering ability to observe the best that the solar system has to offer: Saturn's rings, the cloud bands on Jupiter, and geographic features on the surface of the Moon. When it comes to deep sky objects, take your 4SE to a dark-sky site and you'll see hundreds of pinpoint stars in the Hercules Globular Cluster, the spiral arms of the Whirlpool Galaxy, and more.
Revolutionary Single Fork Arm Mount
We know the best telescope is the one you will use most often. That's why Celestron's engineers created NexStar 4SE's unique, patented single fork arm mount. It's perfectly portable and makes setup quick and easy. What's more, the NexStar SE breaks down into several lightweight and compact pieces, making it easy to transport, even in small vehicles. You'll have no problem getting the NexStar 4SE to your favourite observing site, or setting it up quickly in your backyard.Of course, it's what's inside the mount that really counts. Sturdy construction from high-quality components give NexStar 4SE the pointing and tracking accuracy needed to observe and follow your favourite targets with push-button ease. Use the included NexStar+ hand control to locate over 40,000 celestial objects, or take a Sky Tour and let your telescope show you the best objects currently visible.Aligning your telescope is simple and painless, too, thanks to SkyAlign. This process makes alignment as easy as 1-2-3: just center three bright objects in your eyepiece and press ALIGN. For even easier alignment, attach our StarSense AutoAlign and your NexStar SE aligns itself!
Advanced Features Let the NexStar 4SE Grow with You
The NexStar SE series is compatible with all the high-tech accessories advanced users love. Provide GPS coordinates to your telescope with SkySync, or add automatic alignment functionality with StarSense AutoAlign.Its built-in wedge allows you to track long exposures. if you're interested in imaging the Moon and planets, pair your NexStar 4SE with one of our planetary cameras. From your first observing session and for years to come, the NexStar 4SE is your trusted companion.
Recommended Accessories
The Celestron NexStar 4SE is ready to use right out of the box, but there are a couple of items that will really enhance your experience with the telescope.
- A rechargeable battery pack, for this scope we recommend the PowerTank Lithium (18771).
- A higher power eyepiece, for this scope we recommend the Celestron Luminous 10mm (93431).
- A neutral density moon filter, for this scope we recommend the Antares 13% (ND13).
What can I see with a Celestron NexStar 4SE Telescope (11049)?
Here are some simulated views of common objects. Results with your telescope will vary with viewing conditions, obrits, equipment and more.
Jupiter with
25mm Eyepiece - 53x Magnification
(Included with This Telescope)
Jupiter with
10mm Eyepiece - 133x Magnification
Sold Separately
Jupiter with
5mm Eyepiece - 265x Magnification
Sold Separately
Moon with 25mm Eyepiece
53x Magnification
(Included with This Telescope)
Moon with 10mm Eyepiece
133x Magnification
Sold Separately
Moon with 5mm Eyepiece
265x Magnification
Sold Separately
Andromeda with 36mm Eyepiece
37x Magnification
Sold Separately
Andromeda with 25mm Eyepiece
53x Magnification
(Included with This Telescope)
Andromeda with 10mm Eyepiece
133x Magnification
Sold Separately
What's in the Box
Specifications
| OPTICAL TUBE INFO: | |
| 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 (0.38") |
| Secondary Mirror Obstruction by Diameter: | 34% |
| Secondary Mirror Obstruction by Area: | 12.00% |
| 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: | 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 3°/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: | 38,181 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) |
| Solar Warning | Never look directly at the Sun with the naked eye or with an optic (unless you have the proper solar filter). Permanent and irreversible eye damage may result. Never use your optic to project an image of the Sun onto any surface. Internal heat build-up can damage the optic and any accessories attached to it. Never leave your optic unsupervised. Make sure an adult who is familiar with the correct operating procedures is with your optic at all times, especially when children are present. |
Additional Articles, Videos, and Links
External Links
Celestron NexStar 4SE Telescope - Preview
Interested in what the popular NexStar computerized scope can do? Ken From shows daytime and nighttime capabilities of the NexStar 4SE at Canada Olympic Park in Calgary, Alberta Canada. Footage is ...
Celestron NexStar Telescope - Set-Up, Unboxing, and Assembly
From opening the box to complete set-up of the Celestron NexStar SE, SLT and Evolution, this video walks you through the process of getting your new NexStar telescope assembled and ready for a star...
Go Ahead, Look at the Sun (With the Right Equipment)
Solar observation and solar photography are a lot of fun with the right equipment, and this is a great time to start. Every 11 years the Sun’s magnetic field completely flips. That means that the...
5 Tips to Get the Most out of Your New Telescope
So you got a new telescope; now what? It usually starts out with a lot of excitement and enthusiasm. You get a new telescope, get it assembled and maybe test it out through a window looking at a tr...
Using Your First Telescope - Part Two: Aligning a GoTo Scope
GoTo telescopes are terrific for their ease of finding objects, then automatically tracking them. They work well, but only if they are set up properly. Here are tips for avoiding the common errors.
Is the Celestron NexStar the Best Telescope?
The Celestron Nexstar is the most popular and commercially successful telescope ever, and with good reason. They are perfect for curious amateurs that want something they can grow with as they ex...
Buying Your First Telescope - Part One: What's the Best Beginner Telescope?
Buying the right telescope as a beginner can be a real challenge. In these articles we explain the key considerations when buying a beginner telescope. We'll cover the vocabulary you're going to...
Buying Your First Telescope - Part Two: Making the Choice
Once you have become familiar with the sky and have been enticed by the views through other peoples’ telescopes, you will want your own. So what to buy?
Buying Your First Telescope - Part Three: Our Recommendations (2023)
We present our suggestions for telescopes we find offer great value in each of several price ranges. But within a price class, you have a choice of what features might be most important to you and ...
How to Pick the Best Telescope Eyepieces
Finding the right new telescope eyepiece can be a game changer. This post will help you to pick the best telescope eyepiece for your needs.