{"product_id":"skywatcher-heliostar-150mm-h-alpha","title":"Sky-Watcher Heliostar 150mm H-alpha","description":"\u003ch2\u003eSky-Watcher Heliostar 150mm H-alpha solar telescope\u003c\/h2\u003e\u003cp\u003eThe Heliostar 150 is a telescope dedicated exclusively to observing the Sun in H-alpha light, the line that reveals the chromosphere: prominences on the limb, filaments, flares and the active structures around sunspots. With 150 mm of aperture it is the largest model in the Heliostar family and delivers a brighter, more detailed image than its smaller siblings.\u003c\/p\u003e\u003ch3\u003eTechnology\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\u003cstrong\u003eSolis etalon:\u003c\/strong\u003e achieves a very narrow bandpass, below 0.5 Å, without needing a second etalon.\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eTrifid Tuner:\u003c\/strong\u003e a mechanical adjustment that lets you fine-tune the etalon precisely and optimize image contrast.\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eSolar Zenit diagonal:\u003c\/strong\u003e includes the integrated 24 mm blocking filter.\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd\u003eAperture\u003c\/td\u003e\u003ctd\u003e150 mm\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003eFocal length\u003c\/td\u003e\u003ctd\u003e1050 mm\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003eFocal ratio\u003c\/td\u003e\u003ctd\u003ef\/7\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003eBandpass\u003c\/td\u003e\u003ctd\u003e\u0026lt; 0.5 Å\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003eBlocking filter\u003c\/td\u003e\u003ctd\u003e24 mm, integrated in the Solar Zenit diagonal\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003eFocuser\u003c\/td\u003e\u003ctd\u003e2\" dual-speed rack and pinion\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003eDiagonal\u003c\/td\u003e\u003ctd\u003e1.25\"\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003eFinder\u003c\/td\u003e\u003ctd\u003eIntegrated Heliostar solar finder\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003eOptical tube weight\u003c\/td\u003e\u003ctd\u003e13.2 kg\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eWhat's included\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eOptical tube assembly (OTA)\u003c\/li\u003e\u003cli\u003eMounting rings\u003c\/li\u003e\u003cli\u003eLosmandy-style dovetail bar\u003c\/li\u003e\u003cli\u003eDew shield \/ sunshade\u003c\/li\u003e\u003cli\u003eHeliostar solar finder\u003c\/li\u003e\u003cli\u003e26 mm 70° eyepiece (1.25\")\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eSafety\u003c\/h3\u003e\u003cp\u003eAccording to the manufacturer, the telescope has been laboratory-tested in the United States to the ISO 12312-2 standard, and every unit is individually tested on the Sun. It must be used only with the supplied diagonal and not with any other diagonal. It is a solar-only instrument: it cannot be used to observe other celestial objects.\u003c\/p\u003e","brand":"Sky-Watcher","offers":[{"title":"Default Title","offer_id":59145450914123,"sku":"SWSK-HELIOSTAR150HA","price":13499.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0886\/1981\/1147\/files\/sky-watcher-heliostar-150-h-alpha.jpg?v=1793896311","url":"https:\/\/adriasky.it\/en\/products\/skywatcher-heliostar-150mm-h-alpha-solar-telescope","provider":"Adriasky","version":"1.0","type":"link"}