
Become an instant astronomer with the NexStar 102SLT computerized telescope, NexYZ 3-Axis Universal Smartphone Adapter, and SkyPortal WiFi Module kit! You get everything you need to explore the night sky, find your target quickly, and capture what you see. It’s the perfect solution for beginners, families, or anyone looking for a streamlined setup. All three components work together for an easy, intuitive, and highly portable observing and astroimaging experience.
NexStar 102SLT Computerized GoTo Telescope
The NexStar 102SLT is a favorite among both beginners and experienced observers. Its high quality 102mm refractor optical tube delivers bright, high-contrast views with no collimation required. The fully computerized SLT mount with SkyAlign gets you aligned in minutes, then automatically locates and tracks thousands of objects to keep them centered as Earth rotates. A lightweight build, quick-release components, and a stainless steel tripod make it easy to take anywhere, offering dazzling views of the Moon, planets, and bright deep-sky targets.
NexYZ 3-Axis Universal Smartphone Adapter for Astroimaging
The NexYZ smartphone adapter makes it simple to capture what you see through the eyepiece. The three-axis adjustment system allows you to precisely position your phone’s camera over the eyepiece, eliminating guesswork and ensuring clean, evenly illuminated images. Compatible with most smartphones and 1.25" or 2" eyepieces, NexYZ securely clamps into place for steady, repeatable imaging sessions. With NexYZ, you’ll be capturing and sharing your discoveries every time you use your telescope.
SkyPortal WiFi Module
When you plug in the SkyPortal WiFi Module, you take control of your stargazing sessions in a whole new way—via your smartphone! You can browse a massive database of 100,000+ celestial objects or explore an interactive planetarium view, all within the SkyPortal Powered by SkySafari™ app for iOS and Android. Once connected through the AUX or Hand Control port, the module creates its own secure WiFi network and pairs with the app. Explore the sky visually and tap any object you wish to view. The telescope slews there and begins tracking. Next, you can view detailed information or even listen to audio descriptions as you observe. Not sure what to look at next? Take a guided Sky Tour within the app! Astronomy has never been so user-friendly.
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Q:
Why doesn’t my red dot finderscope match the image on the box/website?
Why doesn’t my red dot finderscope match the image on the box/website?
Celestron is making a change to the finderscope shipped with some Celestron telescopes. In some cases, you may receive a finderscope that is different in appearance than the one pictured on the gift box, manual, Quick Setup Guide, or website. We apologize for any inconvenience this may cause. Rest assured that the finders are identical in performance and features. The main difference is the location of the battery compartment and, therefore, the battery installation instructions.
If your red dot finderscope looks like the unit pictured here, you can ignore this message. 
If you received a red dot finderscope that looks like the unit pictured here, follow the instructions below to replace the battery: 
1. The battery compartment on this finderscope is located on top of the unit. Use a Philips-head screwdriver to loosen the screw holding the battery door closed. The screw is captured and will not fall out when you open the battery door. 
2. Lift the battery door open to expose the CR-2032 button battery.
3. With your fingernail on either side of the battery, pry the battery up and out of the battery compartment.
4. Place the new CR-2032 battery, positive (+) side up, under the two copper battery clips at the front of the battery compartment. 

5. Press the battery down to snap it into the plastic battery clips on the opposite side of the battery.
6. Close the battery door and tighten the Phillips-head screw to secure the door in place.
| Manuals: | |
|---|---|
| NexStar Plus Hand Control Manual | Download |
| NexStar 102 SLT Quick Setup Guide | Download |
| NexStar SLT Manual | Download |
| Software & Firmware: | |
| CPWI Software | Download |
| Celestron Firmware Manager (CFM) Software | Download |
| Other Product Files: | |
| Celestial Observing | Download |
| Telescope Maintenance | Download |
| Astronomy Basics | Download |
| NexStar Communication Protocol v 1.2 | Download |
| Instruction sheet for NexStar Observers List (NSOL) software | Download |
| How to Determine Which Eyepieces to Use with Your Telescope | Download |
| How to Align a Red Dot Finder to Your Telescope Video | Download |
| Solar Safety Warning | Download |
| NexStar SLT Telescope Basic | Download |
| Celestron NexStar+ Hand Control Troubleshooting Guide | Download |