{"product_id":"celestron-uhc-lpr-filter-2","title":"Celestron 2\" UHC\/LPR Filter","description":"\u003ch2\u003e\u003cstrong\u003eCelestron 2” UHC\/LPR Filter – Ultra High Contrast Light Pollution Reduction\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eMaximise Nebula Visibility in Light-Polluted Skies\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eCelestron 2” UHC\/LPR Filter\u003c\/strong\u003e is engineered to enhance your views of emission and planetary nebulae by selectively blocking the most common forms of \u003cstrong\u003eartificial and atmospheric light pollution\u003c\/strong\u003e—including \u003cstrong\u003emercury vapour\u003c\/strong\u003e, \u003cstrong\u003ehigh- and low-pressure sodium vapour\u003c\/strong\u003e, and \u003cstrong\u003eneutral oxygen sky glow\u003c\/strong\u003e. Whether observing under \u003cstrong\u003esuburban skies\u003c\/strong\u003e or pushing for maximum contrast at a \u003cstrong\u003edark-sky site\u003c\/strong\u003e, this filter gives you dramatically improved nebula detail.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSuperior Light Pollution Rejection\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eBlocks disruptive wavelengths associated with urban lighting and airglow\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRetains essential spectral lines for \u003cstrong\u003enebula visibility\u003c\/strong\u003e—notably \u003cstrong\u003eH-beta, OIII\u003c\/strong\u003e, and \u003cstrong\u003eH-alpha (656nm)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIdeal for revealing fainter targets like the \u003cstrong\u003eNorth America Nebula\u003c\/strong\u003e, \u003cstrong\u003eRosette\u003c\/strong\u003e, and \u003cstrong\u003eCrescent Nebula\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eExceptional Optical Performance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eUltra High Contrast (UHC)\u003c\/strong\u003e design offers deeper contrast than standard broadband filters\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDelivers \u003cstrong\u003eover 97% transmission\u003c\/strong\u003e across its target bandpass\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFeatures a \u003cstrong\u003emoderate 60nm passband\u003c\/strong\u003e—a perfect balance between contrast and natural star colour retention\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMaintains a rich, natural starfield while improving nebular definition\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eAdvanced Coating Technology\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eMulti-layer \u003cstrong\u003edielectric coatings\u003c\/strong\u003e ensure high durability and peak optical clarity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePlasma-assisted, ion-beam hardened\u003c\/strong\u003e coatings resist scratching and degradation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSharp spectral cutoffs eliminate unwanted light while preserving true nebular structure\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eOptimised for All Telescope Sizes\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003ePerfect for \u003cstrong\u003e4”–11” telescopes\u003c\/strong\u003e, where brightness and contrast gains are especially valuable\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFits any standard \u003cstrong\u003e2” eyepiece or filter wheel\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGreat for both \u003cstrong\u003evisual astronomy\u003c\/strong\u003e and \u003cstrong\u003eastroimaging\u003c\/strong\u003e thanks to its broad bandpass and H-alpha compatibility\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhether you're fighting suburban skyglow or enhancing faint details at a dark site, the \u003cstrong\u003eCelestron 2” UHC\/LPR Filter\u003c\/strong\u003e is an essential addition to your observing kit—bringing deep-sky targets to life with \u003cstrong\u003eclarity, contrast, and precision\u003c\/strong\u003e.\u003c\/p\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":55897340903798,"sku":"050234941242","price":154.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0909\/2235\/3014\/files\/Celestron-UHC-LPR-Filter-2-inch-94124-CGL-2.webp?v=1766073501","url":"https:\/\/welshastronomy.co.uk\/products\/celestron-uhc-lpr-filter-2","provider":"The Welsh Astronomy Centre","version":"1.0","type":"link"}