{"id":2299,"date":"2026-02-20T11:23:55","date_gmt":"2026-02-20T11:23:55","guid":{"rendered":"https:\/\/testbed.aemet.es\/?page_id=2299"},"modified":"2026-02-23T10:02:11","modified_gmt":"2026-02-23T10:02:11","slug":"project_67","status":"publish","type":"page","link":"https:\/\/testbed.aemet.es\/index.php\/project_67\/","title":{"rendered":"Star photometry with all-sky cameras to retrieve aerosol optical depth and clouds"},"content":{"rendered":"<p style=\"text-align: justify;\"><!--more--><\/p>\n<p><strong><em><u>Principal Investigator<\/u><\/em><\/strong>:\u00a0 Roberto Rom\u00e1n Diez<\/p>\n<p><strong><em><u>Institution name<\/u><\/em><\/strong>: <a href=\"http:\/\/www.uva.es\">Universidad de Valladolid<\/a>, <a href=\"http:\/\/goa.uva.es\">Grupo de \u00d3ptica Atm\u00f3sferica<\/a><\/p>\n<p><strong><em><u>Scientific objective<\/u><\/em><\/strong><\/p>\n<p style=\"text-align: justify;\">Star photometry with all-sky cameras to retrieve aerosol optical depth and cloud properties at the Iza\u00f1a Observatory under different atmospheric conditions, including both daytime and nighttime measurements. The retrieved AOD will be compared with the results obtained from other techniques available at the station, such as sun photometers, lidars, and in-situ instruments, in order to assess the performance and consistency of the all-sky camera method.<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter  wp-image-2307\" src=\"https:\/\/testbed.aemet.es\/wp-content\/uploads\/2026\/02\/fotos_Camara_UVA_GOA_imagen.png\" alt=\"\" width=\"704\" height=\"430\" srcset=\"https:\/\/testbed.aemet.es\/wp-content\/uploads\/2026\/02\/fotos_Camara_UVA_GOA_imagen.png 999w, https:\/\/testbed.aemet.es\/wp-content\/uploads\/2026\/02\/fotos_Camara_UVA_GOA_imagen-300x183.png 300w, https:\/\/testbed.aemet.es\/wp-content\/uploads\/2026\/02\/fotos_Camara_UVA_GOA_imagen-768x469.png 768w\" sizes=\"auto, (max-width: 704px) 100vw, 704px\" \/><\/p>\n<p style=\"text-align: center;\"><strong>Figure.-<\/strong> <em>All-sky camera installed and image captured at Iza\u00f1a Observatory (IZO).<\/em><\/p>\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","footnotes":""},"class_list":["post-2299","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/testbed.aemet.es\/index.php\/wp-json\/wp\/v2\/pages\/2299","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/testbed.aemet.es\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/testbed.aemet.es\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/testbed.aemet.es\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/testbed.aemet.es\/index.php\/wp-json\/wp\/v2\/comments?post=2299"}],"version-history":[{"count":12,"href":"https:\/\/testbed.aemet.es\/index.php\/wp-json\/wp\/v2\/pages\/2299\/revisions"}],"predecessor-version":[{"id":2389,"href":"https:\/\/testbed.aemet.es\/index.php\/wp-json\/wp\/v2\/pages\/2299\/revisions\/2389"}],"wp:attachment":[{"href":"https:\/\/testbed.aemet.es\/index.php\/wp-json\/wp\/v2\/media?parent=2299"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}