{"product_id":"celestron-c9-25-sct-ota-cge","title":"Celestron C9.25 Optical Tube Assembly CGE Dovetail","description":"\u003ch2\u003eCelestron C9.25 Optical Tube Assembly (CGE Dovetail)\u003c\/h2\u003e\n\u003cp\u003eThe legendary \u003cstrong\u003eCelestron C9.25\u003c\/strong\u003e occupies a unique place in the Schmidt-Cassegrain family — offering a perfect balance of aperture, performance, and portability. With its 9.25\" (235 mm) aperture and 2350 mm focal length, this compact yet powerful optical tube delivers exceptional views of the Moon, planets, galaxies, and nebulae — all in a package that’s easy to transport and set up.\u003c\/p\u003e\n\u003cp\u003eDespite weighing just \u003cstrong\u003e20 lb\u003c\/strong\u003e and measuring only \u003cstrong\u003e22\"\u003c\/strong\u003e long, the C9.25 punches far above its size. Its f\/10 optical system delivers high contrast and excellent clarity, while Celestron’s patented \u003cstrong\u003eStarBright® XLT coatings\u003c\/strong\u003e maximise light transmission, giving brighter, sharper images and shorter exposure times for astroimagers.\u003c\/p\u003e\n\u003cp\u003eCompatible with a wide range of mounts via its CGE-style dovetail bar, the C9.25 is widely regarded as the “Goldilocks” optical tube: \u003cstrong\u003enot too big, not too small — just right\u003c\/strong\u003e for serious visual observers and astrophotographers alike.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e9.25\" (235 mm) Schmidt-Cassegrain OTA\u003c\/strong\u003e\u003cbr\u003eSuperb all-round performance for planets, deep-sky, and imaging\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStarBright® XLT optical coatings\u003c\/strong\u003e\u003cbr\u003eIncreased contrast and light throughput for brighter, clearer views\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCompact \u0026amp; portable design\u003c\/strong\u003e\u003cbr\u003eOnly 22\" long and 20 lb — ideal for transport to dark-sky locations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFastar compatible\u003c\/strong\u003e\u003cbr\u003eEnables ultra-fast f\/2 imaging with optional third-party accessories\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-quality aluminium tube construction\u003c\/strong\u003e\u003cbr\u003eDurable, lightweight, and built for long-term reliability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCGE-style dovetail bar\u003c\/strong\u003e\u003cbr\u003eMounts easily to a wide range of compatible computerized mounts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eIncluded Accessories\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e25 mm eyepiece (94×)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e6×30 optical finderscope\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e1.25\" star diagonal\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e1.25\" visual back\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCGE-style dovetail bar\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOptical Design:\u003c\/strong\u003e Schmidt-Cassegrain\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAperture:\u003c\/strong\u003e 235 mm (9.25\")\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFocal Length:\u003c\/strong\u003e 2350 mm (f\/10)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHighest Useful Magnification:\u003c\/strong\u003e 555×\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLowest Useful Magnification:\u003c\/strong\u003e 34×\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLimiting Stellar Magnitude:\u003c\/strong\u003e 14.4\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eResolution (Rayleigh):\u003c\/strong\u003e 0.59 arc-seconds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLight Gathering Power:\u003c\/strong\u003e 1127× (vs. human eye)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSecondary Mirror Obstruction:\u003c\/strong\u003e 36% (diameter)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOptical Coatings:\u003c\/strong\u003e StarBright XLT\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTube Length:\u003c\/strong\u003e 559 mm (22\")\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTube Diameter:\u003c\/strong\u003e 271.8 mm (10.7\")\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 20 lb (9.07 kg)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDovetail:\u003c\/strong\u003e CGE Dovetail Bar\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eSolar Safety Warning\u003c\/h3\u003e\n\u003cp\u003eNever look directly at the Sun with the naked eye or through this telescope without a certified solar filter. Permanent, irreversible eye damage can occur. Do not project the Sun through the telescope, and never leave it unattended — especially around children.\u003c\/p\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":55897332842870,"sku":"050234102797","price":2109.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0909\/2235\/3014\/files\/Celestron-C9.25-Optical-Tube-Assembly-CGE-Dovetail-91027-XLT-CGL-5.webp?v=1767012404","url":"https:\/\/welshastronomy.co.uk\/products\/celestron-c9-25-sct-ota-cge","provider":"The Welsh Astronomy Centre","version":"1.0","type":"link"}