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🛰️ Align Like a Pro, Capture Like a Star
The Celestron 93969 SkySync GPS Accessory upgrades your computerized telescope with ultra-precise 16-channel GPS data, automating time, date, and location input for faster, more accurate alignment. Compatible with all non-GPS Celestron mounts, it enhances tracking precision—ideal for serious observers and astroimagers. Powered via AUX port and secured with a Velcro strap, it’s a compact, reliable upgrade backed by a 2-year warranty and US-based support.



| ASIN | B0040H2LWE |
| Additional Features | Upgrade your Celestron computerized telescope to GPS with SkySync |
| Are Batteries Included | No |
| Audio Output Mode | AUX |
| Best Sellers Rank | #20,617 in Electronics ( See Top 100 in Electronics ) #33 in Video Camera Supports & Stabilizers |
| Brand | Celestron |
| Built-In Media | GPS SkySync |
| Compatible Devices | Non-GPS Celestron computerized telescopes |
| Connectivity Protocol | Auxiliary |
| Connectivity Technology | Auxiliary |
| Control Method | Touch |
| Customer Reviews | 4.5 4.5 out of 5 stars (828) |
| Display Type | LCD, LED |
| Global Trade Identification Number | 00050234939690 |
| Human-Interface Input | Buttons |
| Item Dimensions L x W x H | 7"L x 3"W x 3"H |
| Item Type Name | Celestron Sky Sync GPS Accessory |
| Item Weight | 3.2 ounces |
| Manufacturer | Celestron Acquisition LLC |
| Map Types | Worldwide |
| Mfr Part Number | 93969-CGL |
| Model Name | SkySync GPS Accessory |
| Model Number | 93969-CGL |
| Model Year | 2012 |
| Mounting Type | Tripod Mount |
| Operating System | Propriétaire (proprietary) |
| Sport Type | Orbiting |
| Supported Satellite Navigation System | GPS |
| Touch Screen Type | Resistive |
| UPC | 050234939690 |
| Warranty Description | 2-Year |
W**Y
My 4SE Likes It!
I'm giving this max stars. It's an addition I failed to purchase awhile back. But I'll now say your telescope is going to like it and function even better in alignment procedure. Speeds things up and near automatic to use. Gets its power from the aux port. Mine is the compact 4SE and worked great this evening. Sky's were more than hazy. Used an extra wide Meade 40MM eyepiece. Easily handles the larger Deep Sky. Sky so hazy even had difficulty centering the brighter stars in the finder! You have to go to the menu and find GPS, then turn it on! I was so slow fumbling in the dark gave enough minutes for the GPS to acquire satellites. This unit also puts in the correct time, easy to make a mistake here on the first outings. Area for Hercules Cluster wouldn't show due to poor sky's but area for andromeda our nearest neighbor came right in just off center of the low power eyepiece. Sizeable smudge. Polaris refused to show in finder so elected other bright stars on my auto two star alignment. Some areas of the sky did release some nice compact clusters, obvious in the view. Did after alignment check Polaris and shown well now in the eyepiece, but such poor sky conditions refused to show the dim companion fun to see even in a small scope. My Clave failed tho added contrast. Bad night but thanks to the GPS addition life was much easier and for some reason my Celestron behaves better with its use. I strongly suggest you add this one to speed up the alignment process. Likely find things are now a lot easier.
J**R
An absolute must for the telescope traveler.
You can’t see it on my telescope, but the picture is intended just to show that I take my telescope travel seriously! This GPS unit is a HUGE timesaver during setup and helps me get hyper-accurate positioning for tracking and Astro photography. The time saving alone makes this unit well worth the money. It’s small and fits out of the way, and I have mine secured to the mount. Now that I’ve had this GPS unit, I’d never want to be without it.
D**.
A must have for Celestron mounts.
It works great. I needed this to make set up faster.
S**N
This GPS is so great, I ordered another one for my father
This GPS is so great, I ordered another one for my father. It's so nice to be able to go to friends house or setup anywhere, and not fumble in the dark for a cell phone to find the time and convert DMS time into decimal or something, or worry about "is it DST time now or not?". I watched my father get very frustrated with all those things, and cringed when he just rounded to the nearest degree or minute, or he assumed a town entry 200 miles away was good enough... Yes, it's simple information to enter, unless you forgot your cell phone, or its low battery, or your answering tons of other questions at the same time and getting distracted. For visual work, this is entirely unnecessary. But for deep sky imaging, accuracy is very essential. That being said, this will make visual work more pleasant for all the same reasons (just it is less critical, since you typically can't observe deep sky anyway and planets are relatively easy to find and track). While I do like this product (it clamps well, it works well once enabled from the HC menu, the cable is sufficient long enough), my two complaints are: (1) I think it's a lot of mark up for a GPS chip; this thing cost as much as full hand-held GPS units, and doesn't even have a LCD display or WiFi; it better be a dang accurate GPS at this price, but I suspect it's just standard issue no better than all our cell phones have. (2) I've had to wait as long as 3 minutes several times to get a good accurate GPS signal. And it's confusing on when the HC starts up, it says "Press ENTER to Accept or Wait for GPS" (or similar); I don't know if I press ENTER will it automatically continue to refine the GPS accuracy in the background, or is 99% of the time just pressing ENTER close enough (I never got clarification from the manual). But that's a nit since I'm usually setting up other things during that time. Despite my nits, this absolutely gets the job done with no fuss. I just wish for the price, it at least had an independent LCD to output what it has computed (GPS in degree or DMS, and the time -- you can access these through the HC, but I'd rather a separate LCD with a button to hold to turn on a backlight for it).
R**H
Saves Time
I thought I would never need this. After all, I own a hand-held GPS and my phone has one too, so I know my home coordinates and even wrote them down on the telescope tripod leg. I found that entering the coordinates AND the time/date EVERY time I wanted to align the telescope took too much time, so I would just look around for the objects I wanted to view. I found that I was spending more time trying to find messier objects than it would have taken to enter the coordinates. The solution was to spend the bucks and buy this. It simply works. It does the heavy lifting and lets me spend the time doing what I bought the telescope to do--look at the sky. Yes it is expensive, but a lot less than the smart phone with it's GPS, or even a good hand-held GPS, and the savings in time make it worth it to me.
J**1
A needed accessory for today’s telescopes
The missing link to the automatic telescope alignment procedure. Can be finicky. Should have 3 satellites to get a location fix. A clear sky to view the satellites. And a way to get the information to the software directly. Usually plugs into the mount, as does the WiFi module. Then everything goes to the computer and turns into controls to locate the telescope and the objects desired! I think you can plug directly into the mount from the computer, an Ethernet connection. You still have a network but it’s a local area network, LAN. Then the computer only has to connect to the world network if your software is on the world network. If you have the software then everything is right there on your computer. Storage space is a concern. But you can now get 1-5 TB of RAM on a USB C flash drive! Yet HDR video can be 1GB per 30 sec. Still, that’s a lot of frames to stack up. And Fine tune focus. Very easy to use. Weights nothing. Not sure about battery life or compatibility with other telescopes other than Celestron. Quality is built well. I hope the electronics inside is built to take the outside.
J**E
I initially considered this to be a waste of money since you only need it once at the beginning of each session and you can 'easily' manage to supply the required info manually (using a phone app for location/time) However, the manual method is prone to mistakes (particularly if you are a bit tired at the end of a day and operate from more than one site) not helped by the Americans inexplicable reversed date format (gents, if you are going to reverse a date, do a proper job and make it an ISO format! 'yyyymmdd') ... and after several failed attempts the process gets tedious and eats into your observation time. Cast all that hassle away - plug the SkySync GPS in, wait for the sync (whilst you are fitting your diagonal and choosing your eyepieces) , pick your stars for the alignment and then, if you wish, you can unplug it and put it back in the box - the GOTO will keep the details until you power cycle it. Forget the price, think of the value.
S**N
Perfekt att slippa knappa in min position
P**O
Prodotto come da descrizione. Fix rapido dei satelliti. Perfettamente compatibile con montatura celestron C8 SE Nexstar+.
J**N
You really don't need this for the telescope to work but manually entering the data every time you turn it on is so time consuming. By the time you set everything up you want to start observing, not have to then worry about entering data that you can make a mistake on. With this there is none of that worry. Definitely worth it in my opinion if you can afford it.
し**ん
この機能が追加されると、望遠鏡のセッティングが早くて良いですね♪ スターセンスとセットで使用すると、アライメントがフルオートに\(^_^)/ 便利です❗
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