{"product_id":"celestron-nexstar-127slt-computerised-telescope","title":"Celestron NexStar 127SLT Computerised Maksutov-Cassegrain Telescope","description":"\u003cp\u003e\u003cstrong\u003eNexStar 127SLT\u003c\/strong\u003e is a 127mm Maksutov-Cassegrain combining long focal length, high-contrast optics and computerised GoTo tracking in a portable package. It is supplied as a complete visual-observing system with optical tube, computerised mount, tripod, hand control and essential accessories.\u003c\/p\u003e\n\n\u003cdiv style=\"text-align:center;margin:25px 0;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/4371\/products\/050234220972_NexStar_127SLT_22097_1.jpg?width=1600\" alt=\"Celestron NexStar 127SLT Computerised Maksutov-Cassegrain Telescope complete telescope on its tripod\" loading=\"lazy\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/div\u003e\n\n\u003ch2\u003eComputerised GoTo Observing with SkyAlign\u003c\/h2\u003e\n\u003cp\u003eThe NexStar+ hand control can locate and track objects from its database of more than 40,000 targets. Celestron's SkyAlign procedure allows the mount to determine its position after it is centred on three bright celestial objects. Other alignment routines remain available when preferred.\u003c\/p\u003e\n\u003cp\u003eThe single-arm altazimuth mount is intended for straightforward visual observing. It tracks objects as they move across the sky, while nine selectable slew speeds provide both rapid movement and fine centring control.\u003c\/p\u003e\n\n\u003ch2\u003eMaksutov-Cassegrain Optics\u003c\/h2\u003e\n\u003cp\u003eThe 127mm (5 inches) optical system has a focal length of 1500mm and a focal ratio of f\/12. It is particularly suited to the Moon, planets and double stars, with enough aperture for brighter clusters, nebulae and galaxies from suitably dark locations.\u003c\/p\u003e\n\n\u003cdiv style=\"text-align:center;margin:25px 0;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/4371\/products\/050234220972_NexStar_127SLT_22097_2.jpg?width=1600\" alt=\"NexStar 127SLT optical tube and computerised mount detail\" loading=\"lazy\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/div\u003e\n\n\u003ch2\u003ePortable, No-Tool Setup\u003c\/h2\u003e\n\u003cp\u003eThe optical tube connects to the mount through a quick-release dovetail arrangement, and the mount sits on an adjustable stainless-steel tripod. The quick-release design and accessory tray allow the system to be assembled without specialist tools.\u003c\/p\u003e\n\u003cp\u003eThe telescope can be powered by eight AA batteries or a suitable regulated 12V DC supply. Batteries and an external mains or portable supply are not stated as included.\u003c\/p\u003e\n\n\u003ch2\u003eIncluded Eyepieces and Finder\u003c\/h2\u003e\n\u003cp\u003eTwo 1.25-inch eyepieces provide lower- and higher-power viewing, while the StarPointer red-dot finderscope helps centre alignment stars and observing targets. Exact included eyepiece details are stated in the specification table and accuracy note where Celestron's current source data conflicts.\u003c\/p\u003e\n\n\u003cdiv style=\"text-align:center;margin:25px 0;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/4371\/products\/050234220972_NexStar_127SLT_22097_3.jpg?width=1600\" alt=\"NexStar 127SLT supplied accessories and control components\" loading=\"lazy\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/div\u003e\n\n\u003ch2\u003eOptional App and Automatic Alignment Upgrades\u003c\/h2\u003e\n\u003cp\u003eThe SLT mount can be used with compatible optional Celestron accessories such as the SkyPortal WiFi Module and StarSense AutoAlign where Celestron lists compatibility. These accessories are sold separately and are not built into the telescope.\u003c\/p\u003e\n\u003cp\u003eThe included Starry Night Special Edition software can assist with learning the sky and planning observing sessions.\u003c\/p\u003e\n\n\u003ch2\u003eWhat Is Included?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e127mm Maksutov-Cassegrain optical tube\u003c\/li\u003e\n\u003cli\u003eComputerised SLT single-arm mount\u003c\/li\u003e\n\u003cli\u003eAdjustable stainless-steel tripod and accessory tray\u003c\/li\u003e\n\u003cli\u003eNexStar+ hand control\u003c\/li\u003e\n\u003cli\u003eTwo 1.25-inch eyepieces\u003c\/li\u003e\n\u003cli\u003eStarPointer red-dot finderscope\u003c\/li\u003e\n\u003cli\u003e1.25-inch star diagonal\u003c\/li\u003e\n\u003cli\u003eStarry Night Special Edition software download\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv style=\"text-align:center;margin:25px 0;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/4371\/products\/050234220972_NexStar_127SLT_22097_4.jpg?width=1600\" alt=\"NexStar 127SLT telescope configured for visual astronomy\" loading=\"lazy\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/div\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ch3\u003eOptical Tube\u003c\/h3\u003e\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;\"\u003eMaksutov-Cassegrain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;width:40%;\"\u003eAperture\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e127mm (5 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;width:40%;\"\u003eFocal length\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e1500mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;width:40%;\"\u003eFocal ratio\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003ef\/12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;width:40%;\"\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;width:40%;\"\u003eIncluded eyepieces\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eTwo 1.25-inch eyepieces; see accuracy note\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;width:40%;\"\u003eStated eyepiece magnifications\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e60× and 167× in Celestron's optical table\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;width:40%;\"\u003eHighest useful magnification\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e300×\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;width:40%;\"\u003eLowest useful magnification\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e18×\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;width:40%;\"\u003eLimiting stellar magnitude\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e13.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;width:40%;\"\u003eRayleigh resolution\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e1.1 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;width:40%;\"\u003eDawes resolution\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e0.91 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;width:40%;\"\u003eLight-gathering power\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e329× compared with the human 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;width:40%;\"\u003eFinderscope\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eStarPointer red-dot finderscope\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3\u003eMount, Control and Power\u003c\/h3\u003e\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%;\"\u003eMount\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eComputerised altazimuth single fork arm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;width:40%;\"\u003eTripod\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eAdjustable stainless-steel 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;width:40%;\"\u003eHand control\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eNexStar+ computerised hand control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;width:40%;\"\u003eDatabase\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eMore than 40,000 objects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;width:40%;\"\u003eAlignment\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eSkyAlign, Auto Two-Star, One-Star, Two-Star and Solar System Align\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;width:40%;\"\u003eTracking rates\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eSidereal, Solar and Lunar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;width:40%;\"\u003eSlew speeds\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eNine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;background:#f5f5f5;width:40%;\"\u003ePower\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e12V DC or 8 AA batteries; batteries and external power supply are not 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;width:40%;\"\u003eShopify shipping weight\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e14.515kg — official Celestron UK product-variant record\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 point this telescope towards the Sun without appropriate specialist solar equipment.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSolar observing requires a suitable certified full-aperture solar filter securely fitted over the front aperture. Never use an eyepiece-type solar filter and never project an image of the Sun. Unfiltered sunlight can cause permanent eye damage and damage the telescope.\u003c\/p\u003e\n\u003cp style=\"margin-bottom:0;\"\u003eIf suitable compatibility and safe installation cannot be confirmed, do not point the telescope at or near the Sun.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"text-align:center;margin:25px 0;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1935\/4371\/products\/050234220972_NexStar_127SLT_22097_5.jpg?width=1600\" alt=\"NexStar 127SLT official Celestron product view\" loading=\"lazy\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/div\u003e\n\n\u003ch2\u003eInstruction Manuals\u003c\/h2\u003e\n\u003cp\u003eUse the official Celestron instructions before assembly, alignment and first use.\u003c\/p\u003e\n\u003cdiv style=\"text-align:center;margin:25px 0;\"\u003e\n\u003ca href=\"https:\/\/s3.amazonaws.com\/celestron-site-support-files\/support_files\/1265965139_nexstarmaksltma.pdf\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline-block;background:#111;color:#fff;padding:14px 22px;margin:6px;text-decoration:none;border-radius:4px;font-weight:600;\"\u003eView \/ Download NexStar SLT Maksutov Manual\u003c\/a\u003e\u003ca href=\"https:\/\/celestron-site-support-files.s3.us-east-1.amazonaws.com\/support_files\/22087-22097%20NexStar%2090slt_QSG_02-25-WEB.pdf\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline-block;background:#f28c00;color:#111;padding:14px 22px;margin:6px;text-decoration:none;border-radius:4px;font-weight:600;\"\u003eView \/ Download NexStar SLT Quick Setup Guide\u003c\/a\u003e\n\u003c\/div\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":55642329809272,"sku":"22097-CGL","price":599.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/nexstar-127slt-01.jpg?v=1787848328","url":"https:\/\/www.darkclearskies.co.uk\/products\/celestron-nexstar-127slt-computerised-telescope","provider":"Dark Clear Skies ","version":"1.0","type":"link"}