{"product_id":"sky-watcher-heliostar-100mm-h-alpha-solar-telescope","title":"Sky-Watcher Heliostar 100mm H-Alpha Solar Telescope","description":"\u003ch2 style=\"text-align: center;\"\u003e\u003cstrong\u003e\u003ciframe title=\"What's Up? Webcast: Heliostar 100Ha Overview\" src=\"https:\/\/www.youtube.com\/embed\/wKLNY2Rk9bQ\" height=\"490\" width=\"871\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch2 data-section-id=\"im3obe\" data-start=\"0\" data-end=\"53\"\u003eSky-Watcher Heliostar 100Hα Solar Telescope S11325\u003c\/h2\u003e\n\u003cul data-start=\"55\" data-end=\"1747\"\u003e\n\u003cli data-section-id=\"1vd4lcl\" data-start=\"55\" data-end=\"229\"\u003eBring the Sun to life with the \u003cstrong data-start=\"88\" data-end=\"135\"\u003eSky-Watcher Heliostar 100Hα Solar Telescope\u003c\/strong\u003e, a dedicated Hydrogen-alpha solar scope designed for high-contrast solar viewing and imaging.\u003c\/li\u003e\n\u003cli data-section-id=\"r8kmmr\" data-start=\"230\" data-end=\"436\"\u003eEnjoy \u003cstrong data-start=\"238\" data-end=\"296\"\u003edouble stack-style performance at a single stack price\u003c\/strong\u003e, with native narrow bandpass performance for rich chromosphere detail without the cost and light loss of a traditional double-etalon setup.\u003c\/li\u003e\n\u003cli data-section-id=\"abnhvd\" data-start=\"437\" data-end=\"628\"\u003eThe large \u003cstrong data-start=\"449\" data-end=\"467\"\u003e100mm aperture\u003c\/strong\u003e and \u003cstrong data-start=\"472\" data-end=\"494\"\u003e760mm focal length\u003c\/strong\u003e deliver crisp, high-resolution views of prominences, filaments, spicules, plage, sunspot activity, solar flares, and surface texture.\u003c\/li\u003e\n\u003cli data-section-id=\"1q11rds\" data-start=\"629\" data-end=\"813\"\u003eBuilt with Sky-Watcher’s \u003cstrong data-start=\"656\" data-end=\"683\"\u003eSolis Etalon Technology\u003c\/strong\u003e and \u003cstrong data-start=\"688\" data-end=\"715\"\u003eIntegrated Trifid Tuner\u003c\/strong\u003e, this telescope offers precise H-alpha tuning for detailed solar observing right out of the case.\u003c\/li\u003e\n\u003cli data-section-id=\"sik44t\" data-start=\"814\" data-end=\"998\"\u003eThe \u003cstrong data-start=\"820\" data-end=\"875\"\u003eH-alpha fully multicoated achromatic doublet optics\u003c\/strong\u003e are optimized specifically for solar work, giving observers a dedicated instrument for safe and exciting views of the Sun.\u003c\/li\u003e\n\u003cli data-section-id=\"bkj62b\" data-start=\"999\" data-end=\"1158\"\u003eA built-in \u003cstrong data-start=\"1012\" data-end=\"1038\"\u003eHeliostar solar finder\u003c\/strong\u003e, tube rings, carry handle, V-style dovetail, and clip-on Sun shade make setup smooth, portable, and observing-friendly.\u003c\/li\u003e\n\u003cli data-section-id=\"u0ujrp\" data-start=\"1159\" data-end=\"1316\"\u003eThe included \u003cstrong data-start=\"1174\" data-end=\"1218\"\u003e20mm 1.25-inch H-alpha blocking diagonal\u003c\/strong\u003e is part of the telescope’s safety system and is designed specifically for use with the Heliostar.\u003c\/li\u003e\n\u003cli data-section-id=\"k7j2tg\" data-start=\"1317\" data-end=\"1499\"\u003eAs the \u003cstrong data-start=\"1326\" data-end=\"1399\"\u003eofficial solar telescope of the Charlie Bates Solar Astronomy Project\u003c\/strong\u003e, the Heliostar 100Hα is built for serious outreach, education, imaging, and visual solar astronomy.\u003c\/li\u003e\n\u003cli data-section-id=\"sssy5r\" data-start=\"1500\" data-end=\"1638\"\u003eLab tested in the United States to meet \u003cstrong data-start=\"1542\" data-end=\"1580\"\u003eISO 12312-2 solar safety standards\u003c\/strong\u003e, with each telescope tested on the actual Sun before use.\u003c\/li\u003e\n\u003cli data-section-id=\"1nq8v0j\" data-start=\"1639\" data-end=\"1747\"\u003ePlease note: this is a \u003cstrong data-start=\"1664\" data-end=\"1693\"\u003ededicated solar telescope\u003c\/strong\u003e and is intended only for viewing and imaging the Sun.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1 data-section-id=\"1spgaq0\" data-start=\"1749\" data-end=\"1765\"\u003eSpecifications\u003c\/h1\u003e\n\u003cul data-start=\"1767\" data-end=\"2813\"\u003e\n\u003cli data-section-id=\"1j7pl6g\" data-start=\"1767\" data-end=\"1786\"\u003e\n\u003cstrong data-start=\"1769\" data-end=\"1777\"\u003eSKU:\u003c\/strong\u003e S11325\u003c\/li\u003e\n\u003cli data-section-id=\"9ialiu\" data-start=\"1787\" data-end=\"1812\"\u003e\n\u003cstrong data-start=\"1789\" data-end=\"1797\"\u003eUPC:\u003c\/strong\u003e 810098970747\u003c\/li\u003e\n\u003cli data-section-id=\"14i8b60\" data-start=\"1813\" data-end=\"1855\"\u003e\n\u003cstrong data-start=\"1815\" data-end=\"1834\"\u003eOptical Design:\u003c\/strong\u003e Achromatic doublet\u003c\/li\u003e\n\u003cli data-section-id=\"vkhjat\" data-start=\"1856\" data-end=\"1903\"\u003e\n\u003cstrong data-start=\"1858\" data-end=\"1875\"\u003eLens Coating:\u003c\/strong\u003e H-alpha fully multicoated\u003c\/li\u003e\n\u003cli data-section-id=\"1cdibb9\" data-start=\"1904\" data-end=\"1958\"\u003e\n\u003cstrong data-start=\"1906\" data-end=\"1926\"\u003eOptical Quality:\u003c\/strong\u003e Diffraction limited, 1\/4 wave\u003c\/li\u003e\n\u003cli data-section-id=\"189wq37\" data-start=\"1959\" data-end=\"1982\"\u003e\n\u003cstrong data-start=\"1961\" data-end=\"1974\"\u003eAperture:\u003c\/strong\u003e 100mm\u003c\/li\u003e\n\u003cli data-section-id=\"cdcla0\" data-start=\"1983\" data-end=\"2010\"\u003e\n\u003cstrong data-start=\"1985\" data-end=\"2002\"\u003eFocal Length:\u003c\/strong\u003e 760mm\u003c\/li\u003e\n\u003cli data-section-id=\"1db75si\" data-start=\"2011\" data-end=\"2037\"\u003e\n\u003cstrong data-start=\"2013\" data-end=\"2029\"\u003eFocal Ratio:\u003c\/strong\u003e f\/7.6\u003c\/li\u003e\n\u003cli data-section-id=\"97u3bf\" data-start=\"2038\" data-end=\"2071\"\u003e\n\u003cstrong data-start=\"2040\" data-end=\"2053\"\u003eBandpass:\u003c\/strong\u003e Less than 0.55Å\u003c\/li\u003e\n\u003cli data-section-id=\"a79br0\" data-start=\"2072\" data-end=\"2106\"\u003e\n\u003cstrong data-start=\"2074\" data-end=\"2099\"\u003eBlocking Filter Size:\u003c\/strong\u003e 20mm\u003c\/li\u003e\n\u003cli data-section-id=\"6uz0d8\" data-start=\"2107\" data-end=\"2138\"\u003e\n\u003cstrong data-start=\"2109\" data-end=\"2130\"\u003eSolar Image Size:\u003c\/strong\u003e 7.6mm\u003c\/li\u003e\n\u003cli data-section-id=\"fzhfvy\" data-start=\"2139\" data-end=\"2199\"\u003e\n\u003cstrong data-start=\"2141\" data-end=\"2153\"\u003eFocuser:\u003c\/strong\u003e 2.8-inch dual-speed rack and pinion focuser\u003c\/li\u003e\n\u003cli data-section-id=\"cf2d3y\" data-start=\"2200\" data-end=\"2266\"\u003e\n\u003cstrong data-start=\"2202\" data-end=\"2222\"\u003eDiagonal Format:\u003c\/strong\u003e 20mm, 1.25-inch H-alpha blocking diagonal\u003c\/li\u003e\n\u003cli data-section-id=\"e4z4nd\" data-start=\"2267\" data-end=\"2297\"\u003e\n\u003cstrong data-start=\"2269\" data-end=\"2286\"\u003eOTA Material:\u003c\/strong\u003e Aluminum\u003c\/li\u003e\n\u003cli data-section-id=\"pdx9tp\" data-start=\"2298\" data-end=\"2336\"\u003e\n\u003cstrong data-start=\"2300\" data-end=\"2324\"\u003eOptical Tube Length:\u003c\/strong\u003e 30 inches\u003c\/li\u003e\n\u003cli data-section-id=\"12wrob\" data-start=\"2337\" data-end=\"2374\"\u003e\n\u003cstrong data-start=\"2339\" data-end=\"2363\"\u003eOptical Tube Weight:\u003c\/strong\u003e 13.2 lbs\u003c\/li\u003e\n\u003cli data-section-id=\"1v7k5ja\" data-start=\"2375\" data-end=\"2407\"\u003e\n\u003cstrong data-start=\"2377\" data-end=\"2396\"\u003eMounting Rings:\u003c\/strong\u003e Included\u003c\/li\u003e\n\u003cli data-section-id=\"xer2ae\" data-start=\"2408\" data-end=\"2433\"\u003e\n\u003cstrong data-start=\"2410\" data-end=\"2423\"\u003eDovetail:\u003c\/strong\u003e V-style\u003c\/li\u003e\n\u003cli data-section-id=\"12ux8as\" data-start=\"2434\" data-end=\"2488\"\u003e\n\u003cstrong data-start=\"2436\" data-end=\"2458\"\u003eIncluded Eyepiece:\u003c\/strong\u003e 22mm 70° 1.25-inch eyepiece\u003c\/li\u003e\n\u003cli data-section-id=\"s7jh8t\" data-start=\"2489\" data-end=\"2547\"\u003e\n\u003cstrong data-start=\"2491\" data-end=\"2511\"\u003eIncluded Finder:\u003c\/strong\u003e Integrated Heliostar solar finder\u003c\/li\u003e\n\u003cli data-section-id=\"1ayzryc\" data-start=\"2548\" data-end=\"2582\"\u003e\n\u003cstrong data-start=\"2550\" data-end=\"2576\"\u003eMinimum Magnification:\u003c\/strong\u003e 14x\u003c\/li\u003e\n\u003cli data-section-id=\"1435cxs\" data-start=\"2583\" data-end=\"2618\"\u003e\n\u003cstrong data-start=\"2585\" data-end=\"2611\"\u003eMaximum Magnification:\u003c\/strong\u003e 197x\u003c\/li\u003e\n\u003cli data-section-id=\"118pfqg\" data-start=\"2619\" data-end=\"2668\"\u003e\n\u003cstrong data-start=\"2621\" data-end=\"2662\"\u003eMagnification with Included Eyepiece:\u003c\/strong\u003e 35x\u003c\/li\u003e\n\u003cli data-section-id=\"1i9wzbv\" data-start=\"2669\" data-end=\"2694\"\u003e\n\u003cstrong data-start=\"2671\" data-end=\"2687\"\u003eDawes Limit:\u003c\/strong\u003e 1.16\u003c\/li\u003e\n\u003cli data-section-id=\"1a5szzd\" data-start=\"2695\" data-end=\"2722\"\u003e\n\u003cstrong data-start=\"2697\" data-end=\"2716\"\u003eRayleigh Limit:\u003c\/strong\u003e 1.4\u003c\/li\u003e\n\u003cli data-section-id=\"178vove\" data-start=\"2723\" data-end=\"2756\"\u003e\n\u003cstrong data-start=\"2725\" data-end=\"2748\"\u003eLimiting Magnitude:\u003c\/strong\u003e 12.48\u003c\/li\u003e\n\u003cli data-section-id=\"773gj1\" data-start=\"2757\" data-end=\"2813\"\u003e\n\u003cstrong data-start=\"2759\" data-end=\"2776\"\u003eIntended Use:\u003c\/strong\u003e Solar visual observing and imaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1 data-section-id=\"1s7r5f0\" data-start=\"2815\" data-end=\"2835\"\u003eWhat's in the Box?\u003c\/h1\u003e\n\u003cul data-start=\"2837\" data-end=\"3124\"\u003e\n\u003cli data-section-id=\"usz2vp\" data-start=\"2837\" data-end=\"2890\"\u003eSky-Watcher Heliostar 100Hα optical tube assembly\u003c\/li\u003e\n\u003cli data-section-id=\"z7xdvo\" data-start=\"2891\" data-end=\"2909\"\u003eMounting rings\u003c\/li\u003e\n\u003cli data-section-id=\"1wkho98\" data-start=\"2910\" data-end=\"2930\"\u003eV-style dovetail\u003c\/li\u003e\n\u003cli data-section-id=\"19q5z8d\" data-start=\"2931\" data-end=\"2968\"\u003eIntegrated Heliostar solar finder\u003c\/li\u003e\n\u003cli data-section-id=\"km8udd\" data-start=\"2969\" data-end=\"2990\"\u003eClip-on Sun shade\u003c\/li\u003e\n\u003cli data-section-id=\"1pc9ojp\" data-start=\"2991\" data-end=\"3022\"\u003e22mm 70° 1.25-inch eyepiece\u003c\/li\u003e\n\u003cli data-section-id=\"qu4ucs\" data-start=\"3023\" data-end=\"3067\"\u003e20mm 1.25-inch H-alpha blocking diagonal\u003c\/li\u003e\n\u003cli data-section-id=\"d044gf\" data-start=\"3068\" data-end=\"3095\"\u003e2-inch eyepiece adapter\u003c\/li\u003e\n\u003cli data-section-id=\"1rw13pn\" data-start=\"3096\" data-end=\"3124\"\u003eHard-shell carrying case\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sky-Watcher","offers":[{"title":"Default Title","offer_id":52123617329472,"sku":"S11325","price":5995.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0717\/9904\/6464\/files\/S11325_Heliostar100H__OTA_LeftFront_1800x1800_6ccc4a05-e15a-4dd8-bd17-5e0849ee8045.jpg?v=1781543022","url":"https:\/\/astroworldtelescopes.com\/products\/sky-watcher-heliostar-100mm-h-alpha-solar-telescope","provider":"Astroworld Telescopes","version":"1.0","type":"link"}