SkyWatcher S11810 GoTo Collapsible Dobsonian 10-Inch (White)

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Brand Sky-Watcher
Model name Sky-Watcher GoTo Collapsible Dobsonian 10" (254 mm)
Eyepiece lens description Plossl
Objective lens diameter 10 inches
Telescope mount description alt-alt-mount
Focus type Auto Focus
Power source Adaptor
Finderscope Reflex
Item weight 34.56 kg
Lens coating description Fully multi-coated pyrex mirrors

About this item

  • 10” (254 mm) Dobsonian-style Newtonian
  • 1200 mm focal length (f/4.7)
  • 2” single-speed Crayford-style focuser with 1.25” adaptor
  • 4-element Plossl 25mm and 10mm 1.25” eyepieces
  • SynScan hand controller with 42,000 object database

Frequently bought together

SkyWatcher S11810 GoTo Collapsible Dobsonian 10-Inch (White)
$2,276.94
Get it by Monday, Jul 29
Only 8 left in stock (more on the way).
Ships from and sold by Amazon.ca.
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Product details

  • Is discontinued by manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 93.98 x 48.26 x 48.26 cm; 34.56 kg
  • Date First Available ‏ : ‎ June 24 2015
  • Manufacturer ‏ : ‎ Celestron
  • Place of Business ‏ : ‎ TORRANCE, CA, 90503 US
  • ASIN ‏ : ‎ B00Z4G3BLK
  • Item model number ‏ : ‎ S11810
  • Country of origin ‏ : ‎ China
  • Customer Reviews:

From the manufacturer

SkyWatcher Flextube 250 SynScan Dobsonian 10-inch Collapsible Computerized GoTo Large Aperture Telescope

The exciting new Sky-Watcher Dobsonian SynScan series is precision engineered instrument that will allow you to easily find and enjoy viewing night sky treasures, such as Planets, Nebulae, Star Clusters, Galaxies and much more. With its patented collapsible tube design, these Dobsonians are truly the ultimate in portability and performance.

The elegant truss tube design was carefully engineered to combine ease of use, extreme portability and consistent performance in an affordable package. The SkyWatcher Flextube Dobsonian does not need to be disassembled between uses. It transports as two compact pieces that can be assembled and ready to use in just seconds! It is easy to collimate once set up, and it holds its collimation throughout the evening! The patented Tension Control Handle allows users to add or reduce tension, thereby increasing or decreasing the friction between the optical tube and the sideboards. The SynScan AZ hand control allows you point your telescope at a specific object, or even tour the night sky at the touch of a button!! The user-friendly menu system allows automatic slewing to over 42,900 objects. Even an inexperienced astronomer can master its variety of features in a few observing sessions. The patented dual encoder design allows the telescope to be moved manually whenever the user wishes - but with no need for re-alignment! The Sky-Watcher Dobsonian SynScan series combines the convenience and affordability of the traditional Dobsonian with the convenience of a computerized Go-To telescope.

  • Built-in WiFi control
  • Power Supply: 10 to 15 V DC 1Amp, 2.1mm Plug (Center positive)
  • Motor type: DC Servo Motors,
  • Resolution: Motor encoder: 1,620,000 counts per revolution, Main axis encoder: 11,748 counts per revolution
  • Slew speeds: 1.0X, 2.0X, 8X, 16X, 32X, 200X, 400X, 600X, 800X, 1000X
  • Tracking Rates: Sidereal, Lunar, Solar
  • Tracking Mode: Dual Axes Tracking
  • Alignment Method: Brightest-Star Alignment, Two-Star Alignment

Looking for specific info?

Product description

The exciting new Sky-Watcher Dobsonian SynScan series is precision engineered instrument that will allow you to easily find and enjoy viewing night sky treasures, such as Planets, Nebulae, Star Clusters, Galaxies and much more. With its patented collapsible tube design, these Dobsonians are truly the ultimate in portability and performance. The elegant truss tube design was carefully engineered to combine ease of use, extreme portability and consistent performance in an affordable package. Unlike other truss tube designs, the SkyWatcher Collapsible Dobsonian does not need to be disassembled between uses. It transports as two compact pieces that can be assembled and ready to use in just seconds! It is easy to collimate once set up, and it holds its collimation throughout the evening! The patented Tension Control Handle allows users to add or reduce tension, thereby increasing or decreasing the friction between the optical tube and the sideboards. The SynScan AZ hand control allows you point your telescope at a specific object, or even tour the night sky at the touch of a button!! The user-friendly menu system allows automatic slewing to over 42,900+ objects. Even an inexperienced astronomer can master its variety of features in a few observing sessions. The patented dual encoder design allows the telescope to be moved manually whenever the user wishes - but with no need for re-alignment! The Sky-Watcher Dobsonian SynScan series combines the convenience and affordability of the traditional Dobsonian with the convenience of a computerized Go-To telescope.

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SkyWatcher S11810 GoTo Collapsible Dobsonian 10-Inch (White)
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Price$2,276.94$269.99$645.45$299.99$148.00
Delivery
Get it by Monday, Jul 29
Get it by Thursday, Jul 25
Get it by Sunday, Jul 28
Get it by Thursday, Jul 25
Get it by Monday, Jul 22
Customer ratings
3.43.4 out of 5 stars40
4.24.2 out of 5 stars176
4.74.7 out of 5 stars221
4.24.2 out of 5 stars1,851
4.54.5 out of 5 stars699
Easy to assemble
—
4.7
4.7
4.4
4.8
Portability
—
4.6
—
4.3
4.9
For beginners
—
4.5
—
4.2
4.8
Value for money
—
—
4.8
4.6
4.8
Sold by
Amazon.ca
Dianfan-US
SVBONY Direct CA
SoloSun
BANJOO US
focus type
Auto Focus
Manual Focus
Manual Focus
Manual Focus
Manual Focus
eye piece lens
Plossl
Plossl
ED
Plossl
—
objective lens diameter
10 inches
90 millimeters
80 millimeters
70 millimeters
80 millimeters
aperture diameter
254 millimeters millimeters
90 millimeters millimeters
80 millimeters
70 millimeters
80 millimeters millimeters
telescope mount
alt-alt-mount
Altazimuth Mount
Equatorial Mount
Equatorial Mount
—
lens coating
Fully multi-coated pyrex mirrors
—
—
Fully Multi-Coated
Fully Multi-Coated
weight
76.2 pounds
—
3.5 kilograms
7.7 kilograms
7 pounds

Customer reviews

3.4 out of 5 stars
3.4 out of 5
40 global ratings

Top reviews from Canada

Takhell
4.0 out of 5 stars Excellent so far - minus 1 star for type of 12v adapter provided
Reviewed in Canada on September 29, 2020
Style: Collapsible 10" DobsonianVerified Purchase
It went together really well - took about an hour to build the mount. Seems very solid and of good quality. Collimation was quick (under 5 minutes), and aligning the spotting scope was easy. I haven't actually used it at night time yet - waiting on the skies to clear up a tad. My only gripe and why the one less star is the 12V power adapter supplied. It's only for a cigarette lighter. A separate adapter to allow the use of a 120v outlet or an adapter for the lighter to plug into an outlet should've been included imo (were I live has little to no light pollution so I have no need to relocate). I can't even use the car adapter as my vehicle (and likely most newer ones) powers off all the ports (usb / cig. lighters, etc) unless it's running. Anyways, the telescope itself is fantastic and I cant wait to use it to it's fullest. I'll update my post once I get some power to it and have a chance to play with it.
4 people found this helpful
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Donald Charland
1.0 out of 5 stars Missing box (OTA)
Reviewed in Canada on April 8, 2024
Style: Collapsible 10" DobsonianVerified Purchase
Only received telescope base, no OTA
Only 1 box delivered.
Come on Sky-Watcher and Amazon, not serious, will ask for a refund.
One person found this helpful
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Top reviews from other countries

Jason
5.0 out of 5 stars What is not to love (first review)
Reviewed in the United States on January 15, 2020
Style: Collapsible 12" DobsonianVerified Purchase
Yes, it is big, yes it is awesome. Now for all you fans, something I did not know. Upon opening the box, the first piece of paper slipped out and indicated , "by the way your Sky-Watcher has built in Wi-Fi." I did not know they had started doing this. I almost bought the Wi-Fi dongle with the scope. I did not have a lot of time with the scope before skies stopped cooperating. I never even used the hand control, just my phone. Fantastic. The pic of the Orion Nebula was just with me trying to line up the phone with the eyepiece, we know that isn't easy, but time was an issue. In any case, the thing kicks butt and has its own Wi-Fi, not networkable, but just connect with phone. I love you Sky-watcher, you're my only scope.

Edit. Many folks ask about tracking for astrophotography. Added last pic of Orion with my Pixel with 1:20 minutes exposure. So yes you can do some exposure, but probably not more than 30 sec.

Re-edit. Has issues with the drive. Skywatcher support was quick and helpful and sent new base. Very hard to find that type of customer support. Good job!
Customer image
Jason
5.0 out of 5 stars What is not to love (first review)
Reviewed in the United States on January 15, 2020
Yes, it is big, yes it is awesome. Now for all you fans, something I did not know. Upon opening the box, the first piece of paper slipped out and indicated , "by the way your Sky-Watcher has built in Wi-Fi." I did not know they had started doing this. I almost bought the Wi-Fi dongle with the scope. I did not have a lot of time with the scope before skies stopped cooperating. I never even used the hand control, just my phone. Fantastic. The pic of the Orion Nebula was just with me trying to line up the phone with the eyepiece, we know that isn't easy, but time was an issue. In any case, the thing kicks butt and has its own Wi-Fi, not networkable, but just connect with phone. I love you Sky-watcher, you're my only scope.

Edit. Many folks ask about tracking for astrophotography. Added last pic of Orion with my Pixel with 1:20 minutes exposure. So yes you can do some exposure, but probably not more than 30 sec.

Re-edit. Has issues with the drive. Skywatcher support was quick and helpful and sent new base. Very hard to find that type of customer support. Good job!
Images in this review
Customer image Customer image Customer image
Customer imageCustomer imageCustomer image
40 people found this helpful
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Christine
1.0 out of 5 stars The optical tube was not delivered
Reviewed in the United States on May 4, 2024
Style: Collapsible 12" DobsonianVerified Purchase
I read reviews stating that some buyers only received the base of the telescope, but I figured those were flukes. Nope. My package arrived without an optical tube. Just a disassembled base... DO NOT BUY.
2 people found this helpful
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Kindle Customer
5.0 out of 5 stars Great Scope, Great Customer Service
Reviewed in the United States on April 23, 2019
Style: Collapsible 10" DobsonianVerified Purchase
Received my goto Dob and had a problem with the goto base. Tried resetting encoders, factory resets, but could not get it to get close to being accurate. Believing it had a bad encoder, I contacted Kevin at Skywatcher, and after explaining my problem he got a new base out to me quickly. That kind of customer service is rare these days.
The telescope is an amazing light bucket, and comes with 2 Plossl eyepieces that are a good start for stargazing. The new goto base works amazingly well after a short two star alignment. All selected objects are nearly centered in the eyepieces after alignment.
I have the Skywatcher wifi dongle and use Sky Safari 6 Pro as my goto software. It works great. I would highly recommend the 250p Goto for its cost, portability and light gathering capability. But the customer service is what will bring me back again for more Skywatcher equipment.
12 people found this helpful
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May Trix
4.0 out of 5 stars 1st Telescope, I chose a monster
Reviewed in the United States on May 9, 2024
Style: Collapsible 12" DobsonianVerified Purchase
So this will,sort of, be a live review. That is to say, I will add to the review, as I assemble...all the way up through initial setup.

I let the box sit on my floor for a day... after seeing how much struggle the delivery guy presented... i wanted to wait a piece before tackling this mechanical job.
Everytime I walked by the two monster boxes ...I could see the box shiver a bit... it was ready to be seen... and I was ready to see it in action. Unfortunately these things don't arrive ready to go.
The good news is, it comes with all the tools you need to assemble it. The bad news is, like all products of this nature, those tools blow... naa, I'm kidding. It's two allen wrenches and a Phillips head.

As far as materials, for the base at least, it's particle board.
I can't see how this thing can be yanked in and out of vehicles, over years, without falling apart somewhat. Let's be real, particle board sucks flying dragon dorks. A little material science forthought can most certainly make this a more rugged item... and at this size and weight and most importantly <PRICE POINT>, this is where small accidents can easily turn into catastrophes. Anybody who had ever had the pleasure of assembling 80's furniture, knows of what I speak.
So...a future DIY upgrade path maybe. Should not have to.

Base install, step 1, make a cocktail.

Step 2... follow the inst... wait, there are instructions?
Sort of... as with all chineasium products... stuff must get lost a bit in translation because all of their "how to" sheets suck.
However, there is enough illustrations that it's easily figured out. 20 minutes of casual mechanicing will see you through without drama.
Only had one pre-drilled hole that was off a bit, but that was just on the middle hole of the lens holder... not a dealbreaker.

So far so good... it's 1 am, time to stop this racket and do something useful... that's right, make another cocktail and watch astronomy videos 😉

Tomorrow, tube assembly...

Hey...so remember that part where I said these things don't come reassembled?

Apparently, I was only speaking of the base. Because I opened the box... and it was assembled. Nothing to do but put it in place.

So I put it in place.

Brought it out for one night of no-instruction, no-tuning, no-skill viewing. Who, knows... maybe I will have gotten lucky.

Nope... zero luck. Couldn't see a damn thing. Read the manual folks.
2 people found this helpful
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B. Mayo
5.0 out of 5 stars Great telescope
Reviewed in the United States on May 13, 2024
Style: Collapsible 10" DobsonianVerified Purchase
I've been looking for a larger telescope for years. And now in a position to get one I chose this Sky watcher. Had a 4-in Bushnell for ever, and was not very happy with the quality. At some point I may splurge and go all out and get the 16-in version. But for now this is just fine for backyard viewing.

I will caution that no power supply came with us. You will need to supply a plug and Supply or make some type of battery supply plug this into.
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