- Unleash the power of your smartphone to take you on a guided tour of the night sky—no telescope experience required.
- Award-winning and patent-pending StarSense sky recognition technology uses your smartphone to analyze star patterns overhead and calculate their position in real-time.
- StarSense Explorer app automatically generates a list of objects currently visible. View planets, brighter nebulae and galaxies, star clusters, and double stars from the city. Or take your telescope to darker skies to view faint, deep sky objects.
- Manual altazimuth mount with smooth, dual-axis slow-motion controls makes it easy to follow the on-screen arrows to your desired target. When the bullseye turns green, it’s ready to view in the telescope’s eyepiece.
- 5” Schmidt-Cassegrain optical tube with StarBright XLT coatings and enough light-gathering ability to view all the best celestial objects.
- Includes 25mm and 10mm eyepieces, StarSense smartphone dock, a red dot finderscope (in case you want to use the telescope without your phone), an erect image diagonal, and a sturdy, full-height tripod.
Celestron has reinvented the manual telescope with StarSense Explorer—the first telescope that uses your smartphone to analyze the night sky and calculate its position in real-time. StarSense Explorer is ideal for beginners thanks to the app’s user-friendly interface and detailed tutorials. It’s like having your own personal tour guide of the night sky.
Dock, Launch, Explore
Leave complicated star charts, imprecise planetarium apps, and computerized mounts behind. With StarSense Explorer, locating objects has never been easier, faster, or more accurate. Within minutes of setting up the telescope, you’ll be navigating the sky with confidence. Simply place your phone in the unique StarSense dock and launch the StarSense Explorer app. After aligning your phone to the telescope’s optics (a quick, 2-minute procedure), StarSense Explorer generates a list of celestial objects currently visible. Make your selection and arrows appear onscreen, guiding you as you to move the telescope. When the object is ready to view, the bullseye turns green.
Smartphone Compatibility
StarSense Explorer works with most modern smartphones, including iPhone 6 and up and most devices running Android 7.1.2 or later manufactured since 2016. For a complete compatibility list, .
Patent-Pending StarSense Sky Recognition Technology
StarSense Explorer uses patent-pending technology and your smartphone to determine exactly where the telescope is pointed in the night sky. A Lost in Space Algorithm (LISA), like the one's satellites, use in orbit to correctly orient themselves, helps the app match star patterns it detects overhead to its internal database.
While other astronomy apps may claim that they can help you find objects, they rely exclusively on the phone’s gyros and accelerometers, which aren’t as accurate as LISA technology. No other app can accurately tell you when your target is visible in the eyepiece.
High-Quality Altazimuth Mount with Slow Motion Control
An ultra-stable altazimuth mount provides a sturdy foundation for StarSense Explorer DX. Slip clutches and geared slow-motion controls in both axes help you move the telescope smoothly and zero in your target. As celestial objects appear to drift across the night sky, you’ll be able to follow them with just a few turns of the knobs. It’s all anchored by an adjustable, full-height tripod.
Dazzling Views with High-Quality Optics
With a large 5” Schmidt-Cassegrain optical tube—Celestron’s tried-and-true optical design for over 50 years—this telescope has enough light-gathering ability to bring out impressive detail in celestial objects while remaining compact and lightweight. You can expect sharp, bright views of Jupiter’s four Galilean moons, its cloud bands and Great Red Spot, the rings of Saturn, the trapezium in the Orion Nebula, and the beautiful Pleiades Open Star Cluster.
All air-to-glass surfaces are coated with our StarBright XLT optical coatings to visibly increase contrast and light transmission for brighter deep space views. With StarBright XLT, you’ll be able to discern subtle details while viewing the Moon and planets as well as faint galaxies and nebulae. For more information about our patented StarBright XLT coatings, visit .
Specifacitons:
| OPTICAL TUBE INFO: | |
|---|
| Optical Design: | Schmidt-Cassegrain |
| Aperture: | 125mm (5") |
| Focal Length: | 1250mm (49.21") |
| Focal Ratio: | f/10 |
| Focal Length of Eyepiece 1: | 25mm (0.98") |
| Magnification of Eyepiece 1: | 50x |
| Focal Length of Eyepiece 2: | 10mm (0.39") |
| Magnification of Eyepiece 2: | 150x |
| Barlow Lens: | None |
| Finderscope: | StarPointer™ red dot finderscope |
| Star Diagonal: | Erect image 90° (1.25") |
| Optical Tube: | Aluminium |
| Highest Useful Magnification: | 295x |
| Lowest Useful Magnification: | 18x |
| Limiting Stellar Magnitude: | 13 |
| Resolution (Rayleigh): | 1.11 arc seconds |
| Resolution (Dawes): | 0.93 arc seconds |
| Light Gathering Power (Compared to the human eye): | 329x |
| Secondary Mirror Obstruction: | 51mm (2.0") |
| Secondary Mirror Obstruction by Diameter: | 16.6% |
| Secondary Mirror Obstruction by Area: | 40% |
| Optical Coatings: | StarBright XLT |
| Optical Tube Length: | 330mm (13") |
| Optical Tube Diameter: | 171.45mm (6.75") |
| Optical Tube Weight: | 5 lbs (2.26 kg) |
| Dovetail | CG-5 Dovetail Bar |
| MOUNT INFO: | |
|---|
| Mount Type: | Manual Alt-Azimuth |
| Height adjustment range (includes mount and tripod): | Aluminum, 1320.8mm (52") max-height |
| Tripod Leg Diameter: | 31.75mm (1.25") steel |
| Accessory Tray: | Yes |
| Tripod Weight: | 3.8 lbs (1.72 kg) |
| Slew Speeds: | Manual |
| GPS: | Uses phone's GPS |
| Dovetail Compatibility: | CG-5 |
| Power Requirements: | None (Recommend PowerTank Glow to keep the phone charged while using app) |
| Alignment Procedures: | Use StarSense Explorer app |
| Software: | StarSense Explorer app | SkyPortal app | Celestron Starry Night Basic Edition Software |
| Total Kit Weight: | 9 lbs (4.08 kg) |
| Included Items: | Telescope tube | Mount/tripod (preassembled) | 25mm & 10mm eyepieces | Erect image diagonal | StarPointer finderscope | Accessory tray | StarSense Explorer phone dock |
| 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.
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