{"product_id":"celestron-starsense-explorer-dx-102-refractor","title":"Celestron StarSense Explorer DX 102AZ Refractor Telescope","description":"\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/3Hb0x-IdeDs?si=ZNdCsOfJeJVOqN9I\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen\u003e\u003c\/iframe\u003e\n\n\u003ch2\u003e\u003cstrong\u003eCelestron StarSense Explorer DX 102AZ Smartphone App-Enabled Refractor Telescope\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDiscover the night sky with confidence—no experience necessary.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eCelestron StarSense Explorer DX 102AZ\u003c\/strong\u003e blends premium refractor optics with smartphone-powered guidance, making it the perfect telescope for beginners and hobbyists alike. With \u003cstrong\u003eStarSense™ technology\u003c\/strong\u003e, this 4-inch refractor offers guided, app-based sky navigation, unlocking planets, nebulae, galaxies, and more from the city or countryside.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e🌟 \u003cstrong\u003eKey Features\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStarSense Sky Recognition\u003c\/strong\u003e – Your smartphone becomes a celestial tour guide, analysing the night sky in real-time to guide you to visible objects with precision.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSmartphone App Integration\u003c\/strong\u003e – The \u003cstrong\u003eStarSense Explorer app\u003c\/strong\u003e (powered by SkySafari™) displays a list of objects currently viewable based on your location and time.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Quality 102mm Refractor\u003c\/strong\u003e – Delivers sharp, detailed views of the Moon, Jupiter’s moons, Saturn’s rings, and deep-sky objects like the Andromeda Galaxy.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eXLT Optical Coatings\u003c\/strong\u003e – Fully multi-coated optics enhance light transmission and contrast for brighter, more detailed views.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eManual Alt-Azimuth Mount with Slow Motion Control\u003c\/strong\u003e – Dual-axis knobs provide smooth, accurate tracking of celestial objects.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePortable, Sturdy Design\u003c\/strong\u003e – Lightweight at just 14.2 lbs with a full-height tripod and accessory tray for stable observing on the go.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e📱 \u003cstrong\u003eDock, Launch, and Explore\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDock\u003c\/strong\u003e your phone into the integrated StarSense cradle.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLaunch\u003c\/strong\u003e the app and align your phone with the telescope’s optics (takes only 2 minutes).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExplore\u003c\/strong\u003e by following the arrows on-screen until the bullseye turns green—then look through the eyepiece and enjoy.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eUnlike other astronomy apps that rely solely on gyroscopes and accelerometers, StarSense uses a \u003cstrong\u003eLost in Space Algorithm (LISA)\u003c\/strong\u003e—the same technology used by satellites—for unmatched accuracy.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e🛰️ \u003cstrong\u003eSmartphone Compatibility\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eCompatible with \u003cstrong\u003eiPhone 6 and up\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAndroid phones from \u003cstrong\u003e2016 onwards\u003c\/strong\u003e running version 7.1.2 or later\u003cbr\u003e(See Celestron’s compatibility list for details.)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e🔭 \u003cstrong\u003eDazzling Views by Day or Night\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003eWhether you're gazing at lunar craters or scanning landscapes, the DX 102AZ performs beautifully. The \u003cstrong\u003e90° erect image diagonal\u003c\/strong\u003e delivers right-side-up views—ideal for both terrestrial and celestial observation. Expect sharp, high-contrast images with excellent colour fidelity.\u003c\/p\u003e\n\u003cp\u003eCelestial objects easily within reach include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eThe Moon in stunning detail\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eJupiter’s moons and Great Red Spot\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSaturn’s rings and Cassini Division\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStar clusters like the Pleiades and Hercules\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBright nebulae such as Orion\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAndromeda Galaxy and more from darker skies\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e⚙️ \u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003ch4\u003eOptical System\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDesign:\u003c\/strong\u003e Refractor\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAperture:\u003c\/strong\u003e 102mm (4.01\")\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFocal Length:\u003c\/strong\u003e 660mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFocal Ratio:\u003c\/strong\u003e f\/6.5\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCoatings:\u003c\/strong\u003e Fully Coated with \u003cstrong\u003eXLT High Transmission Coatings\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDiagonal:\u003c\/strong\u003e 90° erect image (1.25\")\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEyepieces:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e25mm (26x)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e10mm (66x)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLight Gathering Power:\u003c\/strong\u003e 212x (vs human eye)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eResolution:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eRayleigh: 1.37 arc seconds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDawes: 1.14 arc seconds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLimiting Magnitude:\u003c\/strong\u003e 12.5\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTube Material:\u003c\/strong\u003e Aluminium\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTube Weight:\u003c\/strong\u003e 5 lbs (2.26 kg)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTube Length:\u003c\/strong\u003e 812.8mm (32\")\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDovetail:\u003c\/strong\u003e CG-5\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eMount \u0026amp; Tripod\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMount Type:\u003c\/strong\u003e Manual Alt-Azimuth with dual-axis slow-motion controls\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTripod Max Height:\u003c\/strong\u003e 1244.6mm (49\")\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTripod Weight:\u003c\/strong\u003e 9.2 lbs (4.17 kg)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAccessory Tray:\u003c\/strong\u003e Included\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTotal Kit Weight:\u003c\/strong\u003e 14.2 lbs (6.44 kg)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e💻 \u003cstrong\u003eIncluded Software\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStarSense Explorer App\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCelestron SkyPortal App\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCelestron Starry Night Basic Edition Software\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e📦 \u003cstrong\u003eWhat’s in the Box\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e102mm refractor optical tube\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStarSense smartphone dock\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e25mm and 10mm eyepieces\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eErect image diagonal\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRed dot finderscope\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eManual alt-azimuth mount with slow motion controls\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFull-height tripod with accessory tray\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e☀️ \u003cstrong\u003eSafety Warning\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cstrong\u003eNever view the Sun directly without a certified solar filter.\u003c\/strong\u003e Serious and permanent eye damage can occur. Always supervise telescope use, especially with children.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr\u003e\n\u003ch3\u003e🎯 \u003cstrong\u003eWho Is It For?\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eStarSense Explorer DX 102AZ\u003c\/strong\u003e is ideal for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eBeginners seeking guided celestial exploration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCasual observers wanting an easy-to-use telescope\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNature enthusiasts looking for a dual-purpose scope\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTravellers and campers after a portable astronomy solution\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eExplore the Universe your way—\u003cstrong\u003equickly, accurately, and without guesswork.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":55897330418038,"sku":"050234224604","price":419.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0909\/2235\/3014\/files\/CelestronStarsenseExplorerDX102AZProductPhoto4.webp?v=1752581429","url":"https:\/\/welshastronomy.co.uk\/products\/celestron-starsense-explorer-dx-102-refractor","provider":"The Welsh Astronomy Centre","version":"1.0","type":"link"}