{"product_id":"celestron-royal-observatory-starsense-explorer-dx-100az","title":"Celestron Royal Observatory StarSense Explorer DX 100AZ","description":"\u003cp\u003eThe \u003cstrong\u003eCelestron Royal Observatory StarSense Explorer DX 100AZ\u003c\/strong\u003e is a 100mm refractor that uses Celestron’s StarSense Explorer smartphone system to guide the observer to celestial objects. The Royal Observatory Greenwich edition combines app-assisted navigation with a fully manual altazimuth mount and requires no powered telescope electronics.\u003c\/p\u003e\n\n\u003cdiv style=\"text-align:center;margin:25px 0;\"\u003e\u003cimg src=\"https:\/\/www.celestron.com\/cdn\/shop\/files\/22467_Royal_Observatory_of_Greenwich_SSE_100_01.jpg?v=1727801226\u0026amp;width=1600\" alt=\"Celestron Royal Observatory StarSense Explorer DX 100AZ complete product view\" loading=\"lazy\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/div\u003e\n\n\u003ch2\u003e100mm Refractor Optics\u003c\/h2\u003e\n\n\u003cp\u003eThe 100mm aperture, 660mm focal length and f\/6.6 focal ratio provide useful visual performance on the Moon, planets, double stars, clusters and brighter deep-sky objects under suitable conditions. The optics are fully coated.\u003c\/p\u003e\n\n\u003cdiv style=\"text-align:center;margin:25px 0;\"\u003e\u003cimg src=\"https:\/\/www.celestron.com\/cdn\/shop\/files\/22467_Royal_Observatory_of_Greenwich_SSE_100_02.jpg?v=1727801229\u0026amp;width=1600\" alt=\"StarSense Explorer DX 100AZ Royal Observatory Edition 100mm refractor optics detail\" loading=\"lazy\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/div\u003e\n\n\u003ch2\u003eStarSense Explorer Smartphone Guidance\u003c\/h2\u003e\n\n\u003cp\u003ePlace a compatible phone in the StarSense dock and follow the app’s on-screen arrows to locate a selected target. The system uses the phone camera, GPS and sensors; the telescope itself remains manually moved and does not slew or track automatically.\u003c\/p\u003e\n\n\u003cdiv style=\"text-align:center;margin:25px 0;\"\u003e\u003cimg src=\"https:\/\/www.celestron.com\/cdn\/shop\/files\/22467_Royal_Observatory_of_Greenwich_SSE_100_03.jpg?v=1727801233\u0026amp;width=1600\" alt=\"StarSense Explorer DX 100AZ Royal Observatory Edition starsense explorer smartphone guidance detail\" loading=\"lazy\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/div\u003e\n\n\u003ch2\u003eTwo Eyepieces and Erect-Image Diagonal\u003c\/h2\u003e\n\n\u003cp\u003eThe 25mm eyepiece gives 26× and the 10mm gives 66×. The supplied 90° erect-image diagonal provides a correctly oriented view, while the StarPointer red-dot finder helps with setup and manual aiming.\u003c\/p\u003e\n\n\u003cdiv style=\"text-align:center;margin:25px 0;\"\u003e\u003cimg src=\"https:\/\/www.celestron.com\/cdn\/shop\/files\/22467_Royal_Observatory_of_Greenwich_SSE_100_04.jpg?v=1727801237\u0026amp;width=1600\" alt=\"StarSense Explorer DX 100AZ Royal Observatory Edition two eyepieces and erect-image diagonal detail\" loading=\"lazy\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/div\u003e\n\n\u003ch2\u003eManual Altazimuth Mount\u003c\/h2\u003e\n\n\u003cp\u003eThe DX mount includes slow-motion controls and an adjustable aluminium tripod. No batteries or mains connection are required for the mount; the smartphone must be charged separately.\u003c\/p\u003e\n\n\u003cdiv style=\"text-align:center;margin:25px 0;\"\u003e\u003cimg src=\"https:\/\/www.celestron.com\/cdn\/shop\/files\/22467_Royal_Observatory_of_Greenwich_SSE_100_05.jpg?v=1727801240\u0026amp;width=1600\" alt=\"StarSense Explorer DX 100AZ Royal Observatory Edition manual altazimuth mount detail\" loading=\"lazy\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/div\u003e\n\n\u003ch2\u003ePhone and App Requirements\u003c\/h2\u003e\n\n\u003cp\u003eA smartphone is not included. StarSense Explorer app compatibility can change as phone hardware and operating systems evolve, so customers should check Celestron’s current compatibility information before purchase. An activation code supplied with the telescope is required.\u003c\/p\u003e\n\n\u003cdiv style=\"text-align:center;margin:25px 0;\"\u003e\u003cimg src=\"https:\/\/www.celestron.com\/cdn\/shop\/files\/22467_Royal_Observatory_of_Greenwich_SSE_100_06.jpg?v=1727801243\u0026amp;width=1600\" alt=\"StarSense Explorer DX 100AZ Royal Observatory Edition phone and app requirements detail\" loading=\"lazy\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/div\u003e\n\n\n\n\u003ch2\u003eWhat Is Included?\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e100mm f\/6.6 refractor optical tube with Royal Observatory Greenwich branding\u003c\/li\u003e\n  \u003cli\u003eStarSense Explorer DX manual altazimuth mount and aluminium tripod\u003c\/li\u003e\n  \u003cli\u003eStarSense Explorer smartphone dock and activation code\u003c\/li\u003e\n  \u003cli\u003e25mm eyepiece providing 26×\u003c\/li\u003e\n  \u003cli\u003e10mm eyepiece providing 66×\u003c\/li\u003e\n  \u003cli\u003e90° 1.25-inch erect-image diagonal\u003c\/li\u003e\n  \u003cli\u003eStarPointer red-dot finderscope\u003c\/li\u003e\n  \u003cli\u003eAccessory tray\u003c\/li\u003e\n  \u003cli\u003eQuick setup and app documents\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Only the items listed above are stated as included. A smartphone is not included with app-guided telescopes. Optional adapters, tripods, eyepieces and other accessories are sold separately unless explicitly listed.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\n\u003cdiv style=\"overflow-x:auto;margin:20px 0;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\u003ctbody\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;width:40%;\"\u003eOptical design\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eRefractor\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;\"\u003eAperture\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e100mm (3.94 inches)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;\"\u003eFocal length\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e660mm (25.98 inches)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;\"\u003eFocal ratio\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003ef\/6.6\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;\"\u003eOptical coatings\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eFully coated\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;\"\u003eIncluded eyepieces\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e25mm (26×) and 10mm (66×)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;\"\u003eFinderscope\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eStarPointer red-dot\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;\"\u003eStar diagonal\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e90° erect-image, 1.25 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;\"\u003eBarlow lens\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eNone stated as included\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;\"\u003eHighest useful magnification\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e241×\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;\"\u003eLowest useful magnification\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e15×\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;\"\u003eLimiting stellar magnitude\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e12.5\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;\"\u003eRayleigh resolution\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e1.37 arcseconds\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;\"\u003eDawes resolution\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e1.14 arcseconds\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;\"\u003eLight-gathering power\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e212× compared with the unaided eye\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;\"\u003eOptical-tube material\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eAluminium\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;\"\u003eOptical-tube dimensions\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e812.8mm long × 118mm diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;\"\u003eOptical-tube weight\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e2.26kg (5lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;\"\u003eDovetail\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eCG-5 style\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;\"\u003eMount\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eManual StarSense Explorer DX altazimuth mount\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;\"\u003eTripod\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eAdjustable aluminium tripod with accessory tray\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;\"\u003eTripod \/ mount weight\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e4.17kg (9.2lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;\"\u003eMaximum assembled height\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eApproximately 1244.6mm (49 inches)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;\"\u003eComplete telescope weight\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e6.44kg (14.2lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;\"\u003eTelescope power requirements\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eNone; smartphone power required separately\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\n\u003ch2\u003eSolar Safety\u003c\/h2\u003e\n\u003cdiv style=\"background:#fff4e5;border-left:4px solid #f28c00;padding:16px;margin:20px 0;\"\u003e\n  \u003cp style=\"margin-top:0;\"\u003e\u003cstrong\u003eWarning: Never look directly at the Sun through this optical instrument without a correctly fitted, certified full-aperture solar filter.\u003c\/strong\u003e\u003c\/p\u003e\n  \u003cp\u003ePermanent and irreversible eye damage can occur. Never use an eyepiece-type solar filter and never project sunlight through the instrument. Cover or remove finder devices during properly filtered solar use.\u003c\/p\u003e\n  \u003cp style=\"margin-bottom:0;\"\u003eNever leave the instrument unattended, especially when children are present.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eInstruction Manuals\u003c\/h2\u003e\n\n\u003cp\u003eOfficial documents are supplied in \u003cstrong\u003eStarSense app manual: English, French, German, Italian and Spanish; product setup and telescope basics documents: English\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cdiv style=\"text-align:center;margin:25px 0;\"\u003e\n  \u003ca href=\"https:\/\/celestron-site-support-files.s3.us-east-1.amazonaws.com\/support_files\/StarSense_Explorer_App_QSG_5%20languages_2021.pdf\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline-block;background:#111;color:#fff;padding:14px 20px;margin:6px;text-decoration:none;border-radius:4px;font-weight:600;\"\u003eView \/ Download StarSense App Manual\u003c\/a\u003e\n  \u003ca href=\"https:\/\/celestron-site-support-files.s3.us-east-1.amazonaws.com\/support_files\/22467_ROG_StarSense100AZ_QSG_12-24_F.pdf\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline-block;background:#f28c00;color:#111;padding:14px 20px;margin:6px;text-decoration:none;border-radius:4px;font-weight:600;\"\u003eView \/ Download DX 100AZ Quick Setup Guide\u003c\/a\u003e\n  \u003ca href=\"https:\/\/celestron-site-support-files.s3.us-east-1.amazonaws.com\/support_files\/SSE_Telescope_Basics_Interactive_Manual_Eng.pdf\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline-block;background:#f28c00;color:#111;padding:14px 20px;margin:6px;text-decoration:none;border-radius:4px;font-weight:600;\"\u003eView Telescope Basics Guide\u003c\/a\u003e\n\u003c\/div\u003e\n","brand":"Celestron","offers":[{"title":"Default Title","offer_id":55642821362040,"sku":"22467-CGL","price":299.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/01-official-celestron_deccb802-5743-45d0-9fc5-639655b5110d.jpg?v=1787994516","url":"https:\/\/www.darkclearskies.co.uk\/products\/celestron-royal-observatory-starsense-explorer-dx-100az","provider":"Dark Clear Skies ","version":"1.0","type":"link"}