{"id":301,"date":"2021-04-05T13:37:45","date_gmt":"2021-04-05T13:37:45","guid":{"rendered":"http:\/\/blog.schaeferwo.de\/?p=301"},"modified":"2021-04-05T13:37:47","modified_gmt":"2021-04-05T13:37:47","slug":"spectroscope","status":"publish","type":"post","link":"http:\/\/blog.schaeferwo.de\/?p=301","title":{"rendered":"Spectroscope"},"content":{"rendered":"\n<p><a href=\"https:\/\/astromedia.de\/\" target=\"_blank\" rel=\"noopener\">AstroMedia<\/a> offers a plentiful choice of interesting and affordable, mainly cardboard based construction kits for scientific instruments with focus on astronomy. After assembling the <a href=\"https:\/\/astromedia.de\/Das-Baumarkt-Teleskop\" target=\"_blank\" rel=\"noopener\">refractor telescope<\/a> for 30 Euro, my second project was the <a href=\"https:\/\/astromedia.de\/Das-Handspektroskop\" target=\"_blank\" rel=\"noopener\">hand sprectroscope<\/a> for 8 Euro.<\/p>\n\n\n\n<figure class=\"wp-block-gallery columns-3 is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><a href=\"http:\/\/blog.schaeferwo.de\/wp-content\/uploads\/2021\/04\/Spektroskop_1-1024x768.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"http:\/\/blog.schaeferwo.de\/wp-content\/uploads\/2021\/04\/Spektroskop_1-1024x768.jpg\" alt=\"\" data-id=\"302\" data-link=\"http:\/\/blog.schaeferwo.de\/?attachment_id=302\" class=\"wp-image-302\" srcset=\"http:\/\/blog.schaeferwo.de\/wp-content\/uploads\/2021\/04\/Spektroskop_1-1024x768.jpg 1024w, http:\/\/blog.schaeferwo.de\/wp-content\/uploads\/2021\/04\/Spektroskop_1-300x225.jpg 300w, http:\/\/blog.schaeferwo.de\/wp-content\/uploads\/2021\/04\/Spektroskop_1-768x576.jpg 768w, http:\/\/blog.schaeferwo.de\/wp-content\/uploads\/2021\/04\/Spektroskop_1-1536x1152.jpg 1536w, http:\/\/blog.schaeferwo.de\/wp-content\/uploads\/2021\/04\/Spektroskop_1-2048x1536.jpg 2048w, http:\/\/blog.schaeferwo.de\/wp-content\/uploads\/2021\/04\/Spektroskop_1-1200x900.jpg 1200w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px\" \/><\/a><figcaption class=\"blocks-gallery-item__caption\">AstroMedia spectroscope<\/figcaption><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><a href=\"http:\/\/blog.schaeferwo.de\/wp-content\/uploads\/2021\/04\/Spektroskop_2-1024x768.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"http:\/\/blog.schaeferwo.de\/wp-content\/uploads\/2021\/04\/Spektroskop_2-1024x768.jpg\" alt=\"\" data-id=\"303\" data-link=\"http:\/\/blog.schaeferwo.de\/?attachment_id=303\" class=\"wp-image-303\" srcset=\"http:\/\/blog.schaeferwo.de\/wp-content\/uploads\/2021\/04\/Spektroskop_2-1024x768.jpg 1024w, http:\/\/blog.schaeferwo.de\/wp-content\/uploads\/2021\/04\/Spektroskop_2-300x225.jpg 300w, http:\/\/blog.schaeferwo.de\/wp-content\/uploads\/2021\/04\/Spektroskop_2-768x576.jpg 768w, http:\/\/blog.schaeferwo.de\/wp-content\/uploads\/2021\/04\/Spektroskop_2-1536x1152.jpg 1536w, http:\/\/blog.schaeferwo.de\/wp-content\/uploads\/2021\/04\/Spektroskop_2-2048x1536.jpg 2048w, http:\/\/blog.schaeferwo.de\/wp-content\/uploads\/2021\/04\/Spektroskop_2-1200x900.jpg 1200w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px\" \/><\/a><figcaption class=\"blocks-gallery-item__caption\">AstroMedia spectroscope<\/figcaption><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><a href=\"http:\/\/blog.schaeferwo.de\/wp-content\/uploads\/2021\/04\/Leuchtstoffroehre-1024x768.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"http:\/\/blog.schaeferwo.de\/wp-content\/uploads\/2021\/04\/Leuchtstoffroehre-1024x768.jpg\" alt=\"\" data-id=\"304\" data-link=\"http:\/\/blog.schaeferwo.de\/?attachment_id=304\" class=\"wp-image-304\" srcset=\"http:\/\/blog.schaeferwo.de\/wp-content\/uploads\/2021\/04\/Leuchtstoffroehre-1024x768.jpg 1024w, http:\/\/blog.schaeferwo.de\/wp-content\/uploads\/2021\/04\/Leuchtstoffroehre-300x225.jpg 300w, http:\/\/blog.schaeferwo.de\/wp-content\/uploads\/2021\/04\/Leuchtstoffroehre-768x576.jpg 768w, http:\/\/blog.schaeferwo.de\/wp-content\/uploads\/2021\/04\/Leuchtstoffroehre-1536x1152.jpg 1536w, http:\/\/blog.schaeferwo.de\/wp-content\/uploads\/2021\/04\/Leuchtstoffroehre-2048x1536.jpg 2048w, http:\/\/blog.schaeferwo.de\/wp-content\/uploads\/2021\/04\/Leuchtstoffroehre-1200x900.jpg 1200w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px\" \/><\/a><figcaption class=\"blocks-gallery-item__caption\">neon tube<\/figcaption><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><a href=\"http:\/\/blog.schaeferwo.de\/wp-content\/uploads\/2021\/04\/LED_Screen-1024x768.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"http:\/\/blog.schaeferwo.de\/wp-content\/uploads\/2021\/04\/LED_Screen-1024x768.jpg\" alt=\"\" data-id=\"305\" data-link=\"http:\/\/blog.schaeferwo.de\/?attachment_id=305\" class=\"wp-image-305\" srcset=\"http:\/\/blog.schaeferwo.de\/wp-content\/uploads\/2021\/04\/LED_Screen-1024x768.jpg 1024w, http:\/\/blog.schaeferwo.de\/wp-content\/uploads\/2021\/04\/LED_Screen-300x225.jpg 300w, http:\/\/blog.schaeferwo.de\/wp-content\/uploads\/2021\/04\/LED_Screen-768x576.jpg 768w, http:\/\/blog.schaeferwo.de\/wp-content\/uploads\/2021\/04\/LED_Screen-1536x1152.jpg 1536w, http:\/\/blog.schaeferwo.de\/wp-content\/uploads\/2021\/04\/LED_Screen-2048x1536.jpg 2048w, http:\/\/blog.schaeferwo.de\/wp-content\/uploads\/2021\/04\/LED_Screen-1200x900.jpg 1200w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px\" \/><\/a><figcaption class=\"blocks-gallery-item__caption\">LED screen<\/figcaption><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><a href=\"http:\/\/blog.schaeferwo.de\/wp-content\/uploads\/2021\/04\/Fraunhofer_b_E_D_a_C-scaled.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"http:\/\/blog.schaeferwo.de\/wp-content\/uploads\/2021\/04\/Fraunhofer_b_E_D_a_C-1024x768.jpg\" alt=\"\" data-id=\"306\" data-full-url=\"http:\/\/blog.schaeferwo.de\/wp-content\/uploads\/2021\/04\/Fraunhofer_b_E_D_a_C-scaled.jpg\" data-link=\"http:\/\/blog.schaeferwo.de\/?attachment_id=306\" class=\"wp-image-306\" srcset=\"http:\/\/blog.schaeferwo.de\/wp-content\/uploads\/2021\/04\/Fraunhofer_b_E_D_a_C-1024x768.jpg 1024w, http:\/\/blog.schaeferwo.de\/wp-content\/uploads\/2021\/04\/Fraunhofer_b_E_D_a_C-300x225.jpg 300w, http:\/\/blog.schaeferwo.de\/wp-content\/uploads\/2021\/04\/Fraunhofer_b_E_D_a_C-768x576.jpg 768w, http:\/\/blog.schaeferwo.de\/wp-content\/uploads\/2021\/04\/Fraunhofer_b_E_D_a_C-1536x1152.jpg 1536w, http:\/\/blog.schaeferwo.de\/wp-content\/uploads\/2021\/04\/Fraunhofer_b_E_D_a_C-2048x1536.jpg 2048w, http:\/\/blog.schaeferwo.de\/wp-content\/uploads\/2021\/04\/Fraunhofer_b_E_D_a_C-1200x900.jpg 1200w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px\" \/><\/a><figcaption class=\"blocks-gallery-item__caption\">sunlight with Fraunhofer lines b, E, D, a and C<\/figcaption><\/figure><\/li><\/ul><\/figure>\n\n\n\n<p>The Fraunhofer lines (dark absorption lines in the sunlight spectrum) are difficult to see and even more difficult to photograph, but the following lines are observable with some exercise:<\/p>\n<table style=\"border-collapse: collapse; width: 100%; height: 335px;\">\n<tbody>\n<tr style=\"height: 55px;\">\n<td style=\"width: 20%; height: 55px;\">Line<\/td>\n<td style=\"width: 20%; height: 55px;\">Cause<\/td>\n<td style=\"width: 20%; height: 55px;\">Color<\/td>\n<td style=\"width: 20%; height: 55px;\">wavelength (nm)<\/td>\n<td style=\"width: 20%; height: 55px;\">display (nm)<\/td>\n<\/tr>\n<tr style=\"height: 35px;\">\n<td style=\"width: 20%; height: 35px;\">G<\/td>\n<td style=\"width: 20%; height: 35px;\">Fe<\/td>\n<td style=\"width: 20%; height: 35px;\">blue<\/td>\n<td style=\"width: 20%; height: 35px;\">430.8<\/td>\n<td style=\"width: 20%; height: 35px;\">430<\/td>\n<\/tr>\n<tr style=\"height: 35px;\">\n<td style=\"width: 20%; height: 35px;\">F<\/td>\n<td style=\"width: 20%; height: 35px;\">H (\u03b2)<\/td>\n<td style=\"width: 20%; height: 35px;\">blue<\/td>\n<td style=\"width: 20%; height: 35px;\">486.1<\/td>\n<td style=\"width: 20%; height: 35px;\">483<\/td>\n<\/tr>\n<tr style=\"height: 35px;\">\n<td style=\"width: 20%; height: 35px;\">b<\/td>\n<td style=\"width: 20%; height: 35px;\">Mg (triplet)<\/td>\n<td style=\"width: 20%; height: 35px;\">green<\/td>\n<td style=\"width: 20%; height: 35px;\">517-518<\/td>\n<td style=\"width: 20%; height: 35px;\">517<\/td>\n<\/tr>\n<tr style=\"height: 35px;\">\n<td style=\"width: 20%; height: 35px;\">E<\/td>\n<td style=\"width: 20%; height: 35px;\">Fe<\/td>\n<td style=\"width: 20%; height: 35px;\">green<\/td>\n<td style=\"width: 20%; height: 35px;\">527<\/td>\n<td style=\"width: 20%; height: 35px;\">526<\/td>\n<\/tr>\n<tr style=\"height: 35px;\">\n<td style=\"width: 20%; height: 35px;\">D<\/td>\n<td style=\"width: 20%; height: 35px;\">Na<\/td>\n<td style=\"width: 20%; height: 35px;\">yellow<\/td>\n<td style=\"width: 20%; height: 35px;\">589-590<\/td>\n<td style=\"width: 20%; height: 35px;\">584<\/td>\n<\/tr>\n<tr style=\"height: 35px;\">\n<td style=\"width: 20%; height: 35px;\">a<\/td>\n<td style=\"width: 20%; height: 35px;\">O2 (terrene)<\/td>\n<td style=\"width: 20%; height: 35px;\">red<\/td>\n<td style=\"width: 20%; height: 35px;\">628-629<\/td>\n<td style=\"width: 20%; height: 35px;\">619<\/td>\n<\/tr>\n<tr style=\"height: 35px;\">\n<td style=\"width: 20%; height: 35px;\">C<\/td>\n<td style=\"width: 20%; height: 35px;\">H (\u03b1)<i><\/i><\/td>\n<td style=\"width: 20%; height: 35px;\">red<\/td>\n<td style=\"width: 20%; height: 35px;\">656.3<\/td>\n<td style=\"width: 20%; height: 35px;\">642<\/td>\n<\/tr>\n<tr style=\"height: 35px;\">\n<td style=\"width: 20%; height: 35px;\">B<\/td>\n<td style=\"width: 20%; height: 35px;\">O2 (terrene)<\/td>\n<td style=\"width: 20%; height: 35px;\">red<\/td>\n<td style=\"width: 20%; height: 35px;\">686.7<\/td>\n<td style=\"width: 20%; height: 35px;\">660<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>AstroMedia offers a plentiful choice of interesting and affordable, mainly cardboard based construction kits for scientific instruments with focus on astronomy. After assembling the refractor telescope for 30 Euro, my second project was the hand sprectroscope for 8 Euro. The Fraunhofer lines (dark absorption lines in the sunlight spectrum) are difficult to see and even &hellip; <a href=\"http:\/\/blog.schaeferwo.de\/?p=301\" class=\"more-link\"><span class=\"screen-reader-text\">\u201eSpectroscope\u201c <\/span>weiterlesen<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[1],"tags":[],"class_list":["post-301","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/paVLvU-4R","_links":{"self":[{"href":"http:\/\/blog.schaeferwo.de\/index.php?rest_route=\/wp\/v2\/posts\/301","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/blog.schaeferwo.de\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blog.schaeferwo.de\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blog.schaeferwo.de\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/blog.schaeferwo.de\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=301"}],"version-history":[{"count":1,"href":"http:\/\/blog.schaeferwo.de\/index.php?rest_route=\/wp\/v2\/posts\/301\/revisions"}],"predecessor-version":[{"id":307,"href":"http:\/\/blog.schaeferwo.de\/index.php?rest_route=\/wp\/v2\/posts\/301\/revisions\/307"}],"wp:attachment":[{"href":"http:\/\/blog.schaeferwo.de\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=301"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.schaeferwo.de\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=301"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.schaeferwo.de\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=301"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}