{"id":483,"date":"2021-10-06T16:52:24","date_gmt":"2021-10-06T16:52:24","guid":{"rendered":"https:\/\/www.butler.edu\/arts-sciences\/holcomb-observatory\/eclipse-glasses\/"},"modified":"2024-01-19T09:28:45","modified_gmt":"2024-01-19T14:28:45","slug":"eclipse-glasses","status":"publish","type":"page","link":"https:\/\/www.butler.edu\/arts-sciences\/holcomb-observatory\/eclipse-glasses\/","title":{"rendered":"Eclipse Eye Safety"},"content":{"rendered":"<section class=\"wysiwyg wysiwyg-primary-block alignfull\" >\n\t<div class=\"container grid-default wysiwyg__container\">\n\t\t\t\t\t\t<nav class=\"sidebar-menu \" aria-label=\"Site Menu\" id=\"page-nav\">\n\t\t<div class=\"sidebar-menu__wrapper\">\n\t\t\t<header class=\"sidebar-menu__header\">\n\t\t\t\t<span class=\"sidebar-menu__headerLabel\">Holcomb Observatory Menu<\/span>\n\n\t\t\t\t\t\t\t\t<button class=\"sidebar-menu__mobileToggle\" title=\"Toggle Menu\" :aria-expanded=\"mobileOpen\"><\/button>\n\t\t\t\t\t\t\t<\/header>\n\n\t\t\t<ul class=\"sidebar-menu__list\" v-show=\"mobileOpen\">\n\t\t\t\t\t\t\t\t\t<li class=\"sidebar-menu__listItem initial-item\">\n\t\t\t\t\t\t<a href=\"\/arts-sciences\/holcomb-observatory\/public-tours\" class=\"sidebar-menu__listLink\" >Weekend Public Tours<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t<li class=\"sidebar-menu__listItem initial-item\">\n\t\t\t\t\t\t<a href=\"\/arts-sciences\/holcomb-observatory\/private-tours\" class=\"sidebar-menu__listLink\" >Private Group Tours<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t<li class=\"sidebar-menu__listItem initial-item\">\n\t\t\t\t\t\t<a href=\"http:\/\/www.skyandtelescope.com\/observing\/sky-at-a-glance\/\" class=\"sidebar-menu__listLink\" target=\"_blank\">The Current Night Sky<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t<li class=\"sidebar-menu__listItem initial-item\">\n\t\t\t\t\t\t<a href=\"http:\/\/www.skymaps.com\/downloads.html\" class=\"sidebar-menu__listLink\" target=\"_blank\">Star Charts<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t<li class=\"sidebar-menu__listItem initial-item\">\n\t\t\t\t\t\t<a href=\"\/arts-sciences\/holcomb-observatory\/satellites\" class=\"sidebar-menu__listLink\" >Visible Satellites<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t<li class=\"sidebar-menu__listItem initial-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/skyandtelescope.org\/astronomy-equipment\/how-to-choose-a-telescope\/\" class=\"sidebar-menu__listLink\" target=\"_blank\">Buying a Telescope<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t<li class=\"sidebar-menu__listItem initial-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/iauarchive.eso.org\/public\/themes\/buying_star_names\/\" class=\"sidebar-menu__listLink\" target=\"_blank\">Buying a Star<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t<li class=\"sidebar-menu__listItem initial-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.darksky.org\/\" class=\"sidebar-menu__listLink\" target=\"_blank\">Light Pollution<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t<li class=\"sidebar-menu__listItem hide-overflow\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.butler.edu\/arts-sciences\/physics-astrophysics-astronomy\/southeastern-association-research-astronomy\/\" class=\"sidebar-menu__listLink\" target=\"_blank\">SARA Observatory<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t<li class=\"sidebar-menu__listItem hide-overflow\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.butler.edu\/arts-sciences\/physics-astrophysics-astronomy\/\" class=\"sidebar-menu__listLink\" target=\"_blank\">Physics\/Astrophysics &#038; Astronomy Department<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t<\/ul>\n\t\t<\/div>\n\t\t\t\t<button class=\"sidebar-menu__desktopToggle\" v-text=\"desktopLabel\" :aria-expanded=\"desktopOpen\">More Links<\/button>\n\t\t\t<\/nav>\n\t\t\t\t<div class=\"wysiwyg__wrapper wysiwyg__wrapper--hasSidebar\">\n\t\t\t<!-- content from editor -->\n\t\t\t<div class=\"wysiwyg__content wysiwyg__contentContainer\">\n\t\t\t\t<div class=\"acf-innerblocks-container\"><h1 class=\"wp-block-heading\">Eclipse Eye Safety<\/h1><div class=\"wp-block-image is-resized\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/cdn.butler.edu\/www\/sites\/12\/2023\/03\/08102410\/Partial_Total_Partial_Filters_Caption-1024x296.png\" alt=\"Eclipse phases and needed eye safety.\"\/><\/figure><\/div><h4 class=\"wp-block-heading\">Don\u2019t be blindsided!<\/h4><p>Plan ahead to decide if you\u2019re going to make use of an indirect viewing method or to watch the eclipse directly by using eclipse glasses\/viewers. \u00a0If the latter, please check the safety authenticity of viewing glasses\/viewers\u00a0to ensure they meet basic proper safety viewing standards.\u00a0\u00a0You should never look directly at the Sun without solar viewing glasses\/viewers\u00a0or filters sold by astronomical specialists which block more than 99.999% of visible light and 100% of Infrared and Ultraviolet light.<\/p><p>Eclipse viewing glasses\u00a0and handheld solar viewers should meet all the following criteria:<\/p><ul class=\"wp-block-list\"> <li>Have certification information with a designated ISO 12312-2 international standard<\/li> <li>Have the manufacturer\u2019s name and address printed somewhere on the product<\/li> <li><strong>Not<\/strong>\u00a0be used if they are older than three years, or have scratched or wrinkled lenses<\/li> <li><strong>Don&#8217;t<\/strong>\u00a0use homemade filters or\u00a0ordinary sunglasses\u2014not even very dark ones\u2014because they are not safe for looking directly at the Sun<\/li><\/ul><p>The <a href=\"https:\/\/eclipse.aas.org\/resources\/solar-filters\" rel=\"noopener\" target=\"_blank\">American Astronomical Society<\/a> has verified that these five manufacturers are making eclipse glasses and handheld solar viewers that meet the ISO 12312-2 international standard for such products: American Paper Optics,\u00a0Baader\u00a0Planetarium (AstroSolar\u00a0Silver\/Gold film only), Rainbow Symphony, Thousand Oaks Optical, and TSE 17.<\/p><p>Here are our other recommendations for viewing any solar eclipse:<\/p><ul class=\"wp-block-list\"> <li><a href=\"https:\/\/eclipse.aas.org\/resources\/solar-filters\">Eclipse glasses\/viewers<\/a> (highly recommended\u2014buy them early this time!\u00a0 We&#8217;ll be selling these at Holcomb Observatory)<\/li> <li><a href=\"https:\/\/www.timeanddate.com\/eclipse\/box-pinhole-projector.html\" rel=\"noopener\" target=\"_blank\" title=\"pinhole method\">Pinhole method<\/a><\/li> <li><a href=\"https:\/\/www.popastro.com\/main_spa1\/using-a-mirror-to-view-a-partial-eclipse\/\" rel=\"noopener\" target=\"_blank\" title=\"mirror projection method\">Mirror Projection method<\/a><\/li><\/ul><\/div>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t<\/div>\n<\/section>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":15,"featured_media":0,"parent":379,"menu_order":0,"comment_status":"open","ping_status":"open","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-483","page","type-page","status-publish","hentry"],"revision_note":"","acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.2 (Yoast SEO v26.4) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Eclipse Eye Safety | Butler University<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.butler.edu\/arts-sciences\/holcomb-observatory\/eclipse-glasses\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Eclipse Eye Safety | Butler University\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.butler.edu\/arts-sciences\/holcomb-observatory\/eclipse-glasses\/\" \/>\n<meta property=\"og:site_name\" content=\"College of Liberal Arts &amp; Sciences\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/butleruniversity\" \/>\n<meta property=\"article:modified_time\" content=\"2024-01-19T14:28:45+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.butler.edu\/arts-sciences\/wp-content\/uploads\/sites\/12\/2023\/03\/Partial_Total_Partial_Filters_Caption-1024x296.png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@butleru\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.butler.edu\/arts-sciences\/holcomb-observatory\/eclipse-glasses\/\",\"url\":\"https:\/\/www.butler.edu\/arts-sciences\/holcomb-observatory\/eclipse-glasses\/\",\"name\":\"Eclipse Eye Safety | Butler University\",\"isPartOf\":{\"@id\":\"https:\/\/www.butler.edu\/arts-sciences\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.butler.edu\/arts-sciences\/holcomb-observatory\/eclipse-glasses\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.butler.edu\/arts-sciences\/holcomb-observatory\/eclipse-glasses\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.butler.edu\/arts-sciences\/wp-content\/uploads\/sites\/12\/2023\/03\/Partial_Total_Partial_Filters_Caption-1024x296.png\",\"datePublished\":\"2021-10-06T16:52:24+00:00\",\"dateModified\":\"2024-01-19T14:28:45+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.butler.edu\/arts-sciences\/holcomb-observatory\/eclipse-glasses\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.butler.edu\/arts-sciences\/holcomb-observatory\/eclipse-glasses\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.butler.edu\/arts-sciences\/holcomb-observatory\/eclipse-glasses\/#primaryimage\",\"url\":\"https:\/\/cdn.butler.edu\/www\/sites\/12\/2023\/03\/08102410\/Partial_Total_Partial_Filters_Caption.png\",\"contentUrl\":\"https:\/\/cdn.butler.edu\/www\/sites\/12\/2023\/03\/08102410\/Partial_Total_Partial_Filters_Caption.png\",\"width\":2441,\"height\":705,\"caption\":\"Eclipse phases and needed eye safety.\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.butler.edu\/arts-sciences\/holcomb-observatory\/eclipse-glasses\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.butler.edu\/arts-sciences\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Holcomb Observatory &amp; Planetarium\",\"item\":\"https:\/\/www.butler.edu\/arts-sciences\/holcomb-observatory\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Eclipse Eye Safety\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.butler.edu\/arts-sciences\/#website\",\"url\":\"https:\/\/www.butler.edu\/arts-sciences\/\",\"name\":\"College of Liberal Arts &amp; Sciences\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/www.butler.edu\/arts-sciences\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.butler.edu\/arts-sciences\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.butler.edu\/arts-sciences\/#organization\",\"name\":\"Butler University\",\"url\":\"https:\/\/www.butler.edu\/arts-sciences\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.butler.edu\/arts-sciences\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.butler.edu\/arts-sciences\/wp-content\/uploads\/sites\/12\/2022\/01\/cropped-fav.jpg\",\"contentUrl\":\"https:\/\/www.butler.edu\/arts-sciences\/wp-content\/uploads\/sites\/12\/2022\/01\/cropped-fav.jpg\",\"width\":512,\"height\":512,\"caption\":\"Butler University\"},\"image\":{\"@id\":\"https:\/\/www.butler.edu\/arts-sciences\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/butleruniversity\",\"https:\/\/x.com\/butleru\",\"http:\/\/instagram.com\/butleru\",\"https:\/\/www.linkedin.com\/school\/14798\/\",\"https:\/\/www.youtube.com\/user\/butleruniversity\",\"https:\/\/en.wikipedia.org\/wiki\/Butler_University\"]}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Eclipse Eye Safety | Butler University","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.butler.edu\/arts-sciences\/holcomb-observatory\/eclipse-glasses\/","og_locale":"en_US","og_type":"article","og_title":"Eclipse Eye Safety | Butler University","og_url":"https:\/\/www.butler.edu\/arts-sciences\/holcomb-observatory\/eclipse-glasses\/","og_site_name":"College of Liberal Arts &amp; Sciences","article_publisher":"https:\/\/www.facebook.com\/butleruniversity","article_modified_time":"2024-01-19T14:28:45+00:00","og_image":[{"url":"https:\/\/www.butler.edu\/arts-sciences\/wp-content\/uploads\/sites\/12\/2023\/03\/Partial_Total_Partial_Filters_Caption-1024x296.png","type":"","width":"","height":""}],"twitter_card":"summary_large_image","twitter_site":"@butleru","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.butler.edu\/arts-sciences\/holcomb-observatory\/eclipse-glasses\/","url":"https:\/\/www.butler.edu\/arts-sciences\/holcomb-observatory\/eclipse-glasses\/","name":"Eclipse Eye Safety | Butler University","isPartOf":{"@id":"https:\/\/www.butler.edu\/arts-sciences\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.butler.edu\/arts-sciences\/holcomb-observatory\/eclipse-glasses\/#primaryimage"},"image":{"@id":"https:\/\/www.butler.edu\/arts-sciences\/holcomb-observatory\/eclipse-glasses\/#primaryimage"},"thumbnailUrl":"https:\/\/www.butler.edu\/arts-sciences\/wp-content\/uploads\/sites\/12\/2023\/03\/Partial_Total_Partial_Filters_Caption-1024x296.png","datePublished":"2021-10-06T16:52:24+00:00","dateModified":"2024-01-19T14:28:45+00:00","breadcrumb":{"@id":"https:\/\/www.butler.edu\/arts-sciences\/holcomb-observatory\/eclipse-glasses\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.butler.edu\/arts-sciences\/holcomb-observatory\/eclipse-glasses\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.butler.edu\/arts-sciences\/holcomb-observatory\/eclipse-glasses\/#primaryimage","url":"https:\/\/cdn.butler.edu\/www\/sites\/12\/2023\/03\/08102410\/Partial_Total_Partial_Filters_Caption.png","contentUrl":"https:\/\/cdn.butler.edu\/www\/sites\/12\/2023\/03\/08102410\/Partial_Total_Partial_Filters_Caption.png","width":2441,"height":705,"caption":"Eclipse phases and needed eye safety."},{"@type":"BreadcrumbList","@id":"https:\/\/www.butler.edu\/arts-sciences\/holcomb-observatory\/eclipse-glasses\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.butler.edu\/arts-sciences\/"},{"@type":"ListItem","position":2,"name":"Holcomb Observatory &amp; Planetarium","item":"https:\/\/www.butler.edu\/arts-sciences\/holcomb-observatory\/"},{"@type":"ListItem","position":3,"name":"Eclipse Eye Safety"}]},{"@type":"WebSite","@id":"https:\/\/www.butler.edu\/arts-sciences\/#website","url":"https:\/\/www.butler.edu\/arts-sciences\/","name":"College of Liberal Arts &amp; Sciences","description":"","publisher":{"@id":"https:\/\/www.butler.edu\/arts-sciences\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.butler.edu\/arts-sciences\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.butler.edu\/arts-sciences\/#organization","name":"Butler University","url":"https:\/\/www.butler.edu\/arts-sciences\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.butler.edu\/arts-sciences\/#\/schema\/logo\/image\/","url":"https:\/\/www.butler.edu\/arts-sciences\/wp-content\/uploads\/sites\/12\/2022\/01\/cropped-fav.jpg","contentUrl":"https:\/\/www.butler.edu\/arts-sciences\/wp-content\/uploads\/sites\/12\/2022\/01\/cropped-fav.jpg","width":512,"height":512,"caption":"Butler University"},"image":{"@id":"https:\/\/www.butler.edu\/arts-sciences\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/butleruniversity","https:\/\/x.com\/butleru","http:\/\/instagram.com\/butleru","https:\/\/www.linkedin.com\/school\/14798\/","https:\/\/www.youtube.com\/user\/butleruniversity","https:\/\/en.wikipedia.org\/wiki\/Butler_University"]}]}},"_links":{"self":[{"href":"https:\/\/www.butler.edu\/arts-sciences\/wp-json\/wp\/v2\/pages\/483","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.butler.edu\/arts-sciences\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.butler.edu\/arts-sciences\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.butler.edu\/arts-sciences\/wp-json\/wp\/v2\/users\/15"}],"replies":[{"embeddable":true,"href":"https:\/\/www.butler.edu\/arts-sciences\/wp-json\/wp\/v2\/comments?post=483"}],"version-history":[{"count":12,"href":"https:\/\/www.butler.edu\/arts-sciences\/wp-json\/wp\/v2\/pages\/483\/revisions"}],"predecessor-version":[{"id":14200,"href":"https:\/\/www.butler.edu\/arts-sciences\/wp-json\/wp\/v2\/pages\/483\/revisions\/14200"}],"up":[{"embeddable":true,"href":"https:\/\/www.butler.edu\/arts-sciences\/wp-json\/wp\/v2\/pages\/379"}],"wp:attachment":[{"href":"https:\/\/www.butler.edu\/arts-sciences\/wp-json\/wp\/v2\/media?parent=483"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}