Celestron NexStar 6SE 150mm f/10 Schmidt-Cassegrain GoTo Telescope

Celestron NexStar 6SE 150mm f/10 Schmidt-Cassegrain GoTo Telescope

Celestron NexStar 6SE 150mm f/10 Schmidt-Cassegrain GoTo Telescope

B&H # CEN6SE MFR # 11068
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Product Highlights

  • 150mm Schmidt-Cassegrain Telescope
  • 1500mm Focal Length, f/10 Focal Ratio
  • StarBright XLT Optical Coating System
  • Single-Fork Motorized GoTo Alt-Az Mount
  • 25mm Eyepiece and StarPointer Finder
  • SkyAlign Alignment Technology
  • NexStar+ Computer Hand Controller
  • 40,000+ Object Database with Sky Tours
  • Stainless Steel Tripod
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Celestron 6SE overview

  • 1Description

Celestron's NexStar 6SE 150mm f/10 Schmidt-Cassegrain GoTo Telescope is a powerful, portable, and user-friendly Schmidt-Cassegrain-style scope that can be used for observing everything from the Moon and planets to deep-sky objects like stars, galaxies, and nebulae. Using Celestron's proprietary StarBright XLT multi-coating system, light transmission is increased throughout the entire optical path with anti-reflection multi-coated lenses, highly reflective multi-coated mirrors, and crown optical glass elements. While the focal ratio is a relatively slow f/10, the mount's precision tracking system allows it to be a competent shorter-exposure astrophotography imaging platform for the Moon and planets.

Driving the dual servo motors on the mount is the brain of the NexStar 6SE: the iconic NexStar+ computer hand controller. Packed with 40,000+ celestial objects, it can hold up to 100 additional user-defined destinations and is updatable via the Celestron website. It has multiple alignment procedures to get you observing fast—including the super-easy SkyAlign system. Capable of being used in the Northern or Southern Hemispheres, the NexStar has sidereal, lunar, and solar tracking speeds to accurately follow near- and deep-sky objects, plus nine slew speeds and the ability to automatically trigger a camera's shutter release for Fastar or piggyback wide-field photography or conventional prime-focus astrophotography.

  • 6" (150mm) aperture
  • f/10 focal ratio
  • 1500mm focal length
  • Crown optical glass primary mirror
  • StarBright XLT optical coatings: Multi-layer aluminum/SiO2 (quartz)/TiO2 (titanium dioxide) mirror coatings with flat reflectivity across the light spectrum for both astrophotography/astroimaging and visual observation
  • Multi-layer MgF2 (magnesium fluoride) and HfO2 (hafnium dioxide) anti-reflective lens coatings
  • High-transmission water white glass corrector lens with 97.4% light transmission
  • Internal focusing mechanism
  • Resolution: 0.93 arcsec (Rayleigh); 0.77 arcsec (Dawes)
  • Secondary mirror obstruction: 2.2"; 37% by diameter; 14% by area
  • Fastar capability: Secondary mirror can be removed and a DSLR or imaging rig mounted in its place for fast f/2 wide-field astrophotography
NexStar+ Computer Controller
  • 2-line, 16-character LCD display
  • 19 fiber optic backlit red LED buttons
  • Database of over 40,000 celestial objects plus 100 user defined
  • Automatically slew to planets, stars, constellations, and a variety of catalogs
  • Camera control: For piggyback wide-field or conventional astrophotography through the optical tube assembly, the controller can automatically trigger the shutter release to capture the image
  • Anti-backlash compensation programs out play between gears for more precise tracking
  • Tour Mode: Shows a selection of the most popular objects for the time and date you are observing
  • Constellation Tour: Allows you to take a tour of all the best objects within a particular constellation
  • Alignment procedures: SkyAlign, Auto 2-Star, 1-Star, 2-Star, and Solar System
  • SkyAlign alignment: Takes minutes, with minimal effort or experience—point the telescope at three bright objects in the sky, and the telescope does the rest
  • Nine slew speeds: 5°/sec, 3°/sec, 1°/sec, 2x, 4x, 8x, 16x, 32x, and 64x
  • Sidereal, Solar, and Lunar tracking rates for observing the fast-moving Moon to slower-moving deep-space subjects
  • Tracking modes: Alt-Az, EQ North, EQ South, Off (no tracking when using as a terrestrial spotting scope)
  • RS-232 communication port allows for computer control
  • Flash updatable via the Celestron website
Database Details:
  • Solar system objects including the Sun, Moon, and planets
  • Named objects
  • Stars: Asterims, variable stars, double stars, named stars
  • Caldwell catalog
  • Messier catalog
  • NGC catalog
  • SAO catalog
  • Constellations


Mount & Tripod
  • Single-fork alt-az
  • Dual-axis servo motors allow for precise tracking with virtually no vibration
  • Motor resolution: 0.26 arcsec
  • Optical encoders track mount movement to improve tracking and GoTo accuracy while allowing the mount to maintain alignment when moved manually
  • Communication ports: Autoguider port, Aux port, hand controller
  • Runs on eight user-supplied AA batteries or optional 12 VDC power supply
  • Stainless steel legs
  • Adjustable height accommodates a variety of observation positions or users
  • Tray holds accessories such as eyepieces and filters and adds stability and vibration reduction
  • Weight: 10 pounds


Included Accessories
  • 1.25"-diameter barrel
  • 25mm focal length produces 60x magnification
  • Anti-reflection multi-coated glass improves color rendition and contrast
  • Threaded barrel accepts most 1.25" astronomical filters
  • Fold-down rubber eyecup for use with or without eyeglasses
  • 44' field of view at 1000 yards
  • 1.25" input and output accepts most 1.25" astronomical eyepieces and accessories
  • 90° angle puts head in a comfortable position when observing at or near the zenith
  • Corrects view horizontally, but not vertically
StarPointer Finder:
  • Projects a single red dot in line of sight
  • Unmagnified view ensures a wide field of view to make finding objects faster and star-hopping navigation easier
UPC: 050234110686
In the Box
Celestron NexStar 6SE 150mm f/10 Schmidt-Cassegrain GoTo Telescope
  • StarPointer Finderscope
  • 25mm Eyepiece
  • 90° Star Diagonal
  • Tripod with Accessory Tray
  • Limited 2-Year Warranty
  • Table of Contents
    • 1Description

    Celestron 6SE specs

    Optical Tube Assembly
    Optical Design Schmidt Cassegrain
    Aperture 150 mm / 5.9"
    Focal Length 1500 mm
    Focal Ratio f/10
    Eyepiece Barrel Diameter 1.25"
    Diagonal Yes, 90 Star
    Finderscope Yes
    Optical Tube Dimensions Length: 16" / 40.6 cm
    Type Motorized; Alt-Azimuth Single Fork
    GoTo Capability Yes, NexStar
    Type Adjustable
    Material of Tripod Stainless Steel
    Batteries 8 x AA
    Weight 10.0 lb / 4.5 kg (Tripod)
    21.0 lb / 9.5 kg (Fully Assembled)
    Packaging Info
    Package Weight 41.6 lb
    Box Dimensions (LxWxH) 32.0 x 26.0 x 13.0"

    Celestron 6SE reviews

    NexStar 6SE 150mm f/10 Schmidt-Cassegrain GoTo Telescope is rated 4.7 out of 5 by 40.
    Rated 5 out of 5 by from When net observation time matters Buying a scope is never easy, many considerations must become reconciled. One of the easiest to forget is time: Many scopes end up stuffed away because the process of setting them up is too time consuming. Compared to most of its competitors, preparing Celestron's NexStar for a session under a starry sky is child's play. That was critical for my deciding to buy this scope (I live i Norway and must, due to the northern latitude, do most observing during cold winter months) as I do want to get as much observation time as possible. In hindsight, purchasing a NexStar 6 was a wise choice.
    Date published: 2012-02-02
    Rated 4 out of 5 by from As expected The telescope was fairly easy to set up, but I did not fair so well in doing the 3 star alignment. I eventually found out that the finder or star scope was not aligned to the telescope. Rather basic error after I realized it, but it was not mentioned in the instructions. The software package led me to believe you needed to install it, but was really only for backup. A RS-232 to USB cable was not included despite that connection has not been on laptops for many years. Called tech support about it and star scope and received some good tips (that all should have been included in the instructions). There seems to be some resistance from the company to update and modernize. All in all it all worked OK.
    Date published: 2014-05-08
    Rated 5 out of 5 by from Cool Tool! The scope is terrific. Saw Messier objects I never even thought to look for before! The Moon and Jupiter were superb. The red-dot finder, though, is near useless. I could never get it aligned to the scope. After a night of frustration, I discarded it in favor of a Telrad finder I had on hand. I googled the supplied red-dot and found similar comments. If you're so inclined, spend an extra $40 and mount the Telrad. Worth the effort and so much easier to use! Once that pain was out of the way, I really got down to enjoying the scope. The computer alignment is a little off, but that could be me. At any rate, once I made the proper adjustments, the sky really popped. I'm in a light-polluted area near Philly, but saw the Beehive cluster, Andromeda, and so much more. Love this scope! Buy it, you won't be disappointed.
    Date published: 2015-01-01
    Rated 5 out of 5 by from Best Scope on the Market! Do you have a telescope sitting in your house but rarely take it out because it's heavy and too hard to set up? If so, then this is the telescope for you. Weighing in at 31 lbs total this go-to SCT is a breeze to transport and set up. The go-to capability allows you to spend more time viewing the sky and less time trying to find the object yourself. Of course the optics in this Celestron beauty are top notch. Since I sold my cumbersome 55 lb refractor and bought the Nexstar 6SE I find myself spending much more time viewing (and taking photos) the planets, moon, and other night sky objects than ever before. I've actually tripled the amount of time I spend viewing the sky. This is also a scope I would have no problem grabbing to go outside for a 15 minute photo op (viewing the ISS) then bringing it back in. It really is that easy to move around. I also bought the Celestron 12V power tank which works as advertised.
    Date published: 2015-08-31
    Rated 5 out of 5 by from Great Telescope I am a beginner at astronomy and the NexStar 6SE is my first real telescope. I bought NexStar 6SE at the end of last year and decided to take some time using it before writing a review. I can now say the NexStar 6SE is a great telescope that is worth the money. It took me approximately nine months of researching before I decided on the NexStar 6SE. During that time I was considering settling for lower price telescopes and I'm glad I didn't. The GOTO mount on the 6SE has saved me time searching for objects that I can spend looking at them. Winter in Tennessee doesn't have a lot of clear nights for viewing so I have to make the best of what's available. During this time some of the best things I have viewed include the: Andromeda Galaxy, Orion Nebula, Comet C/2013 US10, mountains on the moon, and Jupiter including the two cloud bands. I recommend reading and following the directions in the owner's manual, then do a search for the NexStar 6SE on YouTube because the advice and details are very helpful. After aligning the star pointer with the optical tube I've never had a failed alignment. I prefer to use the Two Star Alignment because I think it takes less time and it forces me to learn the names of some of the stars in the sky. I've used Polaris and Rigel because they are easy to find, a good distance apart in the sky, and close together in the list of alignment stars. I've also used Mizar and Sirius for the same reasons. The SOLAR SYSTEM ALIGN is also quick and easy for lining up on the Moon and tracking it. No matter where I slew to on the Moon's surface, the mount continues to track well enough to keep the mountain, crater, or other feature in the eyepiece. One of the nicest features of the NexStar is the PRECISE GOTO setting. It took several tries (nights) to find Comet C/2013 US10 since the location on the star chart wasn't accurate enough, and I wasn't sure what to look for. There was only a limited amount of time in January where it was practical to see it. After locating a website that provide the comet's RA & DEC for a given date and time, and inputting the data into PRECISE GOTO the NexStar put the comet in the eyepiece so I have no doubt that's what I was looking at. My biggest lessons learned is order an external power supply when you buy this telescope. Get a Car Battery Adapter, AC to DC Power Adapter, or a Power Tank. When I ordered mine, the AC to DC Power Adapter was out of stock so when the 6SE arrived, I used 8 AA batteries in the base of the mount. At best, I was able to get around an hour of use from the GOTO mount. If I slewed to more than one object (after alignment) the batteries would be drained and the mount would act like it was lost in the night sky. In conclusion, the NexStar 6SE is a great telescope and I'm very happy with it.
    Date published: 2016-02-21
    Rated 5 out of 5 by from Great compromise with size and features I debated between this and the 8 for some time. Obviously, I wanted the 8, but I could not justify the large difference in price for something I don't use on a daily basis. That being said, I really like the 6. Small and portable enough for camping trips, star parties, etc. I previously had a much larger scope that I never took with me anywhere because it was so cumbersome, so this new one really comes in useful now. Plus, dealing with a manual EQ mount like I had on my old one was a bit of a pain. I love being able to dial in a target and have the scope follow it/keep it in the field of view for me. About the only negative is the need for an external 12v power source. There is a lot of junk out there, and even the reviews of the Celestron powertanks are pretty wishy washy.
    Date published: 2012-07-24
    Rated 5 out of 5 by from Works like magic! I have been working as an astronomy educator for ten years. The telescopes I use at work are fairly big (16+ reflector) and involve a lot of manual work. The automated SkyAlign technology of the 6SE is amazing. The entire sky is at the press of a few buttons on the NexStar remote. The telescope accurately points to the selected object and tracks it. Even when I manually locate and centre an object, the telescope still tracks it, awesome! This technology does require a bit of learning. If the quick setup guide is followed, then there should be no dramas! It is very important to have a level tripod; an un-level tripod is enough for the SkyAlign to fail. Also Celestron power tank (or equivalent) is a must have, using batteries only will be very costly. Do note that rechargeable batteries are not powerful enough to use in this scope, as they are only 1.2v each compared to 1.5v each for alkaline (total 12v required). I use AA even when I am using the power tank. If for any reason the power tank gets disconnected I do not lose any of my settings or sky-alignment. The scope only uses batteries when power tank is not connected. Additional eyepieces are also useful for magnification. I bought this compact telescope for backyard astronomy and travel astronomy. When I require serious power and optics, I use telescopes at work. So far, with the 6SE, I have seen the Moon, Mars, Saturn, Alpha Centauri, Jewel Box Cluster (NGC 4755), Butterfly Cluster (M6), Ptolemy Cluster (M7), Omega Centauri (NGC 5139), Sombrero Galaxy, Stargate Cluster and I am just getting started. All objects were found using the NexStar remote, no manual work! This scope works like magic, no complaints at all! Thank you B&H for shipping internationally.
    Date published: 2012-07-26
    Rated 4 out of 5 by from Love it so far Seemed like a great value w/in my budget. Most problems I've had so far are due to lack of experience on my part or bad weather conditions. Accurately finds/tracks objects once it is calibrated, and has given me great views of Jupiter, which has been easily visible. Heavy duty tripod, doesn't seem to budge. There is a bit of a learning curve on setting up the controls, but again, with practice I should get better. Would love a electronic focus, as I'm just not that steady, but views have been great when the sky is clear.
    Date published: 2011-09-09
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