{"id":22593,"date":"2016-03-09T20:25:35","date_gmt":"2016-03-09T20:25:35","guid":{"rendered":"https:\/\/www.its.ac.id\/news\/2016\/03\/09\/surabaya-hanya-mengalami-gerhana-matahari-sebagian\/"},"modified":"2016-03-09T20:25:35","modified_gmt":"2016-03-09T20:25:35","slug":"surabaya-hanya-mengalami-gerhana-matahari-sebagian","status":"publish","type":"post","link":"https:\/\/www.its.ac.id\/news\/surabaya-hanya-mengalami-gerhana-matahari-sebagian\/","title":{"rendered":"Surabaya Hanya Mengalami Gerhana Matahari Sebagian"},"content":{"rendered":"<p>Menurut dosen Jurusan Fisika, Dr Melania Suweni Muntini MT, kondisi ini disebabkan letak geografis saja. &quot;Menurut saya itu sudah bagus, karena GMT 100 persen itu gelap sekali. Namun, kali ini kita masih bisa lihat pemandangan sekitar dan beruntungnya cuaca cerah,&quot; papar dosen berambut pirang ini.<\/p>\n<p>Pengamatan gerhana ini dilakukan dengan menggunakan teleskop Vixen, milik ITS dari hibah Kementerian Pendidikan dan Kebudayaan. &quot;Kita mengadakan acara di Kenjeran ini tidak semata takjub, tapi juga ingin memasyarakatkan penggunaan teleskop dan memanfaatkan apa yang dititipkan kementerian kepada kampus melalui edukasi ini,&quot; terangnya. <\/p>\n<p>Dikatakan Melania, pengamatan GMT dengan mata telanjang sangatlah sulit. Sebab, sinar matahari masih terkonsentrasi dan pendaran sinarnya terpencar dari bulan. &quot;Itulah kenapa perlu menggunakan filter ultraviolet yang memiliki penampang gelap agar gerhana terlihat jelas,&quot; jelasnya kepada ITS Online.<\/p>\n<p>Di lain hal, dosen Jurusan Fisika yang juga turun ke lapangan, Dicky Anggoro MSi, mengatakan bahwa sebenarnya hal paling bahaya saat mengamati GMT dengan mata telanjang adalah saat gerhana selesai. <\/p>\n<p>&quot;Saat itu, sinar matahari akan masuk ke mata manusia dengan intensitas tinggi sehingga menyebabkan kebutaan sesaat hingga permanen. Intensitas cahaya matahari sebesar 10<sup>8<\/sup> tidak mampu ditahan mata telanjang kita,&quot; jelas dosen yang gemar fotografi ini.<\/p>\n<p><strong>Kreatifitas Masyarakat Membuat Filter<\/strong><\/p>\n<p>Menurut Dicky, minimal filter matahari yang bisa digunakan adalah MD5, karena mampu mengurangi intensitas cahaya sebesar 10<sup>5<\/sup> sehingga sangat aman untuk mata. &quot;Ini tidak hanya berlaku untuk daerah <em>umbra<\/em>, GMT seratus persen. Tetapi di tempat kita yang menjadi daerah <em>penumbra<\/em>, sehingga hanya GMT sebagian,&quot; tuturnya saat lima menit menuju puncak gerhana.<\/p>\n<p>Meski demikian, masyarakat dengan kekreatifitasannya menggunakan berbagai macam media<br \/>\nyang sangat sederhana didapat. Seperti, kertas buram hitam yang biasanya digunakan untuk menggambarkan hasil <em>rontgen<\/em>, kacamata hitam berlapis tiga.<\/p>\n<p>Dicky mengatakan hal itu sah saja dilakukan selagi tingkat keburaman <em>filter<\/em> mendekati MD5. &quot;Walaupun tipe <em>filter<\/em> yang digunakan gelap, jangan paksakan lensa mata kita untuk menikmatinya terlalu lama. Karena intensitas cahaya matahari sangatlah besar,&quot; tutup dosen yang menggeluti bidang optik ini. (riz\/pus)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pengamatan gerhana matahari total (GMT) di pantai Kenjeran oleh ITS Astronomy Club dan mahasiswa Jurusan Fisika membuahkan hasil meski awalnya terhalang cuaca mendung. Tepat pukul 07.21 WIB, masyarakat bersama para mahasiswa bisa menikmati penampakan gerhana matahari. Gerhana di Surabaya hanya terjadi sebesar 83 persen sehingga matahari tampak seperti sabit yang indah.<\/p>\n","protected":false},"author":1,"featured_media":22594,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_joinchat":[],"footnotes":""},"categories":[14],"tags":[],"class_list":["post-22593","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-berita-utama"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Surabaya Hanya Mengalami Gerhana Matahari Sebagian - ITS News<\/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.its.ac.id\/news\/surabaya-hanya-mengalami-gerhana-matahari-sebagian\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Surabaya Hanya Mengalami Gerhana Matahari Sebagian - ITS News\" \/>\n<meta property=\"og:description\" content=\"Pengamatan gerhana matahari total (GMT) di pantai Kenjeran oleh ITS Astronomy Club dan mahasiswa Jurusan Fisika membuahkan hasil meski awalnya terhalang cuaca mendung. 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Gerhana di Surabaya hanya terjadi sebesar 83 persen sehingga matahari tampak seperti sabit yang indah.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.its.ac.id\/news\/surabaya-hanya-mengalami-gerhana-matahari-sebagian\/\" \/>\n<meta property=\"og:site_name\" content=\"ITS News\" \/>\n<meta property=\"article:published_time\" content=\"2016-03-09T20:25:35+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2017\/11\/16222.jpeg\" \/>\n\t<meta property=\"og:image:width\" content=\"405\" \/>\n\t<meta property=\"og:image:height\" content=\"304\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Dadang ITS\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Dadang ITS\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.its.ac.id\/news\/surabaya-hanya-mengalami-gerhana-matahari-sebagian\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.its.ac.id\/news\/surabaya-hanya-mengalami-gerhana-matahari-sebagian\/\"},\"author\":{\"name\":\"Dadang ITS\",\"@id\":\"https:\/\/www.its.ac.id\/news\/#\/schema\/person\/219379777ccab19c738f6ea3cf543008\"},\"headline\":\"Surabaya Hanya Mengalami Gerhana Matahari Sebagian\",\"datePublished\":\"2016-03-09T20:25:35+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.its.ac.id\/news\/surabaya-hanya-mengalami-gerhana-matahari-sebagian\/\"},\"wordCount\":332,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.its.ac.id\/news\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.its.ac.id\/news\/surabaya-hanya-mengalami-gerhana-matahari-sebagian\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2017\/11\/16222.jpeg\",\"articleSection\":[\"Berita Utama\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.its.ac.id\/news\/surabaya-hanya-mengalami-gerhana-matahari-sebagian\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.its.ac.id\/news\/surabaya-hanya-mengalami-gerhana-matahari-sebagian\/\",\"url\":\"https:\/\/www.its.ac.id\/news\/surabaya-hanya-mengalami-gerhana-matahari-sebagian\/\",\"name\":\"Surabaya Hanya Mengalami Gerhana Matahari Sebagian - 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