{"id":10126,"date":"2025-08-27T18:59:56","date_gmt":"2025-08-27T16:59:56","guid":{"rendered":"https:\/\/deep-space-astronomy.ch\/?post_type=product&#038;p=10126"},"modified":"2025-08-27T19:03:31","modified_gmt":"2025-08-27T17:03:31","slug":"daystar-quark-sodium","status":"publish","type":"product","link":"https:\/\/deep-space-astronomy.ch\/en\/product\/daystar-quark-sodium\/","title":{"rendered":"DayStar Quark - Sodium"},"content":{"rendered":"<p>&nbsp;<\/p>\n<div class=\"container\">\n<header>\n<h1 style=\"text-align: center;\">DayStar Sodium D-Line Quark<\/h1>\n<p class=\"lead\">Transform your F\/4-F\/8 refractor into a high-resolution solar observation instrument with this all-in-one H-alpha Sodium filter. The design combines filter, adapters and snout in a single compact unit.<\/p>\n<p class=\"price\"><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/www.daystarfilters.com\/df\/wp-content\/uploads\/2025\/03\/SodiumQuark480.jpg\" \/><\/p>\n<\/header>\n<section>\n<h2>Why the Sodium line?<\/h2>\n<ul>\n<li>High-resolution sunspot detail, granulation and super-granulation depending on seeing quality.<\/li>\n<li>Observation of flare footprints (solar flames starting with the Sodium ends before the white).<\/li>\n<li>Brighter line than Calcium or H-alpha: visible images with short exposure times.<\/li>\n<li>D2 filter at 5890 \u00c5 with FWHM 0.5 \u00c5 or less.<\/li>\n<\/ul>\n<\/section>\n<section>\n<h2>Key features<\/h2>\n<table>\n<tbody>\n<tr>\n<th>Type<\/th>\n<td>Sodium D-Line H-alpha filter (0-power)<\/td>\n<\/tr>\n<tr>\n<th>Compatibility<\/th>\n<td>F\/4-F\/8 refractors<\/td>\n<\/tr>\n<tr>\n<th>Eyepiece outlet<\/th>\n<td>1.25\u2033 standard, snout included<\/td>\n<\/tr>\n<tr>\n<th>Barlow \/ Optics<\/th>\n<td>0-power filter only; telecentric barlows sold separately<\/td>\n<\/tr>\n<tr>\n<th>Blocking filter<\/th>\n<td>Integrated<\/td>\n<\/tr>\n<tr>\n<th>Power supply<\/th>\n<td>USB 5 V 1.5 A, incl. 90-240 V mains adapter<\/td>\n<\/tr>\n<tr>\n<th>Baffles<\/th>\n<td>Present for contrast enhancement<\/td>\n<\/tr>\n<tr>\n<th>AR Coatings<\/th>\n<td>Optimized for 589 nm<\/td>\n<\/tr>\n<tr>\n<th>Supplied box<\/th>\n<td>Compact, lightweight, optional battery pack available<\/td>\n<\/tr>\n<tr>\n<th>Security<\/th>\n<td>Recommended for use with specific ERF filter and UV\/IR cut filter<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/section>\n<section>\n<h2>Instructions for use<\/h2>\n<ul>\n<li>Insert the Quark directly into the angled guide of the F\/4-F\/8 refractor.<\/li>\n<li>No need for additional adapters thanks to all-in-one design.<\/li>\n<li>Compatible only with yellow glass ERF filters. Red glass filters do not transmit the Sodium line.<\/li>\n<li>Optimized for visual observation and short-exposure solar imaging.<\/li>\n<\/ul>\n<\/section>\n<section>\n<h2>Remarks<\/h2>\n<ul>\n<li>Assembly using Fabry Perot Etalon technology from DayStar.<\/li>\n<li>Delivery on request: advance booking required.<\/li>\n<li>All purchases and repairs subject to sales conditions and advance replacement policy.<\/li>\n<\/ul>\n<\/section>\n<footer>\u00a9 DayStar Instruments - Check compatibility before purchase. Support : service@daystarfilters.com | Tel : 866-680-6563<\/p>\n<\/footer>\n<\/div>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>&nbsp; DayStar Sodium D-Line Quark Transformez votre r\u00e9fracteur F\/4\u2013F\/8 en un instrument d&rsquo;observation solaire haute r\u00e9solution avec ce filtre H-alpha Sodium tout-en-un. Le design combine filtre, adaptateurs et snout en une seule unit\u00e9 compacte. Pourquoi la ligne Sodium ? D\u00e9tails haute r\u00e9solution des taches solaires, granulation et super-granulation selon la qualit\u00e9 du seeing. Observation des [&hellip;]<\/p>\n","protected":false},"featured_media":10129,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[834],"product_cat":[816,645,642,70],"product_tag":[],"class_list":{"0":"post-10126","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-daystar","7":"product_cat-nouveautes","8":"product_cat-filtres-solaires","9":"product_cat-materiel-pour-lobservation-solaire","10":"product_cat-reducteurs-et-extendeurs-de-focale","12":"first","13":"on_supplier","14":"taxable","15":"shipping-taxable","16":"purchasable","17":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product\/10126","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/comments?post=10126"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/media\/10129"}],"wp:attachment":[{"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/media?parent=10126"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product_brand?post=10126"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product_cat?post=10126"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product_tag?post=10126"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}