{"id":3564,"date":"2017-07-13T00:31:24","date_gmt":"2017-07-12T22:31:24","guid":{"rendered":"http:\/\/gap47.astrosurf.com\/?page_id=3564"},"modified":"2023-01-23T23:01:35","modified_gmt":"2023-01-23T21:01:35","slug":"photos-des-cometes","status":"publish","type":"page","link":"https:\/\/gap47.astrosurf.com\/index.php\/ressources\/nos-photos\/photos-des-cometes\/","title":{"rendered":"Photos de com\u00e8tes"},"content":{"rendered":"

Photo de Fran\u00e7ois Doffin, du GAP47, le 21 janvier 2023<\/span><\/b><\/span><\/p>\n

TS-Optics HYPERGRAPH 8\u2033 200\/760 (Fd3,8) – Correcteur R\u00e9ducteur 0,85\u00d72\u2033 soit 640mm (Fd3,2) – ZWO ASI294MC Pro – ZWO EAF – ASI120MM Evoguide 50ED – 105 poses de 60s, Gain=121 (-20\u00b0C) – 50 Darks Gain=121 – Offsets synth\u00e9tiques – 40 Flats – Traitement SiriL \/ PSD \/ Pixinsight – Acquisition SHARPCAP Pro \/ N.I.N.A<\/span><\/span><\/p>\n

C\/2022 E3 (ZTF)<\/span><\/b> est une com\u00e8te \u00e0 longue p\u00e9riode qui a \u00e9t\u00e9 d\u00e9couverte par le Zwicky Transient Facility le 2 mars 2022. Elle a atteint son p\u00e9rih\u00e9lie le

On n’est pas tr\u00e8s s\u00fbrs des param\u00e8tres de cette com\u00e8te. Elle est \u00e0 la limite entre une com\u00e8te hyperbolique (dont l’excentricit\u00e9 serait sup\u00e9rieure \u00e0 1) auquel cas elle quitterait le syst\u00e8me solaire pour ne plus jamais revenir, ou bien son excentricit\u00e9 est l\u00e9g\u00e8rement inf\u00e9rieure \u00e0 1, auquel cas elle resterait dans le syst\u00e8me solaire mais ne viendrait faire le tour du Soleil qu’environ tous les 50.000 ans…<\/span><\/p>\n

\"\"<\/a><\/p>\n

\n

Com\u00e8te C\/2020 F3 NEOWISE<\/span><\/strong><\/p>\n

Photo prise le 19 juillet 2020 par Fran\u00e7ois Doffin (GAP47).<\/span><\/em><\/p>\n

Cam\u00e9ra ASI294MC pro refroidie \u00e0 – 15\u00b0C \u2014 <\/span>Gain300 \u2014 <\/span>Objectif Sigma apo 120-400mm <\/span>Monture AZEQ6 pro \u2014 <\/span>42 poses de 20 secondes avec DSS pour des raisons de facilit\u00e9 de suivi du noyau et <\/span>10 poses de 4 secondes pour le noyau \u2014 <\/span>Traitement Siril et Photoshop <\/span><\/div>\n
 <\/div>\n
Malheureusement il y avait de l\u00e9gers nuages de haute atmosph\u00e8re \u00e0 l’horizon qui ont bien pourri le fond de ciel (pas homog\u00e8ne et des gradients difficiles \u00e0 enlever)<\/span><\/div>\n

\"\"<\/a><\/p>\n

\n

Com\u00e8te Panstarrs<\/strong> – 21 mars 2013 – Canon 550D objectif 75mm<\/span><\/em>
\nPhoto Pierre Valat (GAP47)<\/span><\/em><\/p>\n

\"\"<\/a><\/p>\n

\n

Com\u00e8te Panstarrs<\/strong> – 21 mars 2013 – Canon 550D objectif 75mm – d\u00e9tail de la photo originale<\/span>. Photo Pierre Valat (GAP47)<\/span><\/span><\/em><\/p>\n

\"\"<\/a><\/p>\n

\n

Com\u00e8te Holmes<\/strong> – D\u00e9cembre 2007 – APN Nikon – 7 clich\u00e9s composites (DeepSkyStacker) traitement PhotoShop<\/span>. Photo Fran\u00e7ois Doffin (GAP47)<\/span><\/em><\/p>\n

\"\"<\/a><\/p>\n

\n

Com\u00e8te Hale Bopp<\/strong> –  Printemps 1997 – Film Kodak Royal 200 ASA argentique – T\u00e9l\u00e9objectif 200mm.<\/span> Pierre Valat (GAP47)<\/span><\/span><\/em><\/p>\n

\"\"<\/a><\/p>\n

\n

Com\u00e8te Hale Bopp<\/strong> –  Printemps 1997 – <\/span><\/span>Film Kodak Royal 200 ASA argentique – T\u00e9l\u00e9objectif 300mm. Pierre Valat (GAP47)<\/span><\/em><\/p>\n

\"\"<\/a><\/p>\n

\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

Photo de Fran\u00e7ois Doffin, du GAP47, le 21 janvier 2023 TS-Optics HYPERGRAPH 8\u2033 200\/760 (Fd3,8) – Correcteur R\u00e9ducteur 0,85\u00d72\u2033 soit 640mm (Fd3,2) – ZWO ASI294MC Pro – ZWO EAF – ASI120MM Evoguide 50ED – 105 poses de 60s, Gain=121 (-20\u00b0C) – 50 Darks Gain=121 – Offsets synth\u00e9tiques – 40 Flats – Traitement SiriL \/ PSD … <\/p>\n

Continuer la lecture de « Photos de com\u00e8tes »<\/span><\/a><\/p>\n","protected":false},"author":5,"featured_media":0,"parent":1279,"menu_order":3,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"ngg_post_thumbnail":0,"footnotes":""},"class_list":["post-3564","page","type-page","status-publish","hentry"],"yoast_head":"\nPhotos de com\u00e8tes - L'observatoire est ouvert aux visiteurs tous les vendredis soirs \u00e0 21 heures, jusqu'au 3 juillet 2026 inclus, sans r\u00e9servation.<\/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:\/\/gap47.astrosurf.com\/index.php\/ressources\/nos-photos\/photos-des-cometes\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Photos de com\u00e8tes - L'observatoire est ouvert aux visiteurs tous les vendredis soirs \u00e0 21 heures, jusqu'au 3 juillet 2026 inclus, sans r\u00e9servation.\" \/>\n<meta property=\"og:description\" content=\"Photo de Fran\u00e7ois Doffin, du GAP47, le 21 janvier 2023 TS-Optics HYPERGRAPH 8\u2033 200\/760 (Fd3,8) – Correcteur R\u00e9ducteur 0,85\u00d72\u2033 soit 640mm (Fd3,2) – ZWO ASI294MC Pro – ZWO EAF – ASI120MM Evoguide 50ED – 105 poses de 60s, Gain=121 (-20\u00b0C) – 50 Darks Gain=121 – Offsets synth\u00e9tiques – 40 Flats – Traitement SiriL \/ PSD … Continuer la lecture de « Photos de com\u00e8tes »\" \/>\n<meta property=\"og:url\" content=\"https:\/\/gap47.astrosurf.com\/index.php\/ressources\/nos-photos\/photos-des-cometes\/\" \/>\n<meta property=\"og:site_name\" content=\"L'observatoire est ouvert aux visiteurs tous les vendredis soirs \u00e0 21 heures, jusqu'au 3 juillet 2026 inclus, sans r\u00e9servation.\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/astrogap47\/\" \/>\n<meta property=\"article:modified_time\" content=\"2023-01-23T21:01:35+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2023\/01\/0064_C2022E3ZTF.png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/gap47.astrosurf.com\/index.php\/ressources\/nos-photos\/photos-des-cometes\/\",\"url\":\"https:\/\/gap47.astrosurf.com\/index.php\/ressources\/nos-photos\/photos-des-cometes\/\",\"name\":\"Photos de com\u00e8tes - L'observatoire est ouvert aux visiteurs tous les vendredis soirs \u00e0 21 heures, jusqu'au 3 juillet 2026 inclus, sans r\u00e9servation.\",\"isPartOf\":{\"@id\":\"https:\/\/gap47.astrosurf.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/gap47.astrosurf.com\/index.php\/ressources\/nos-photos\/photos-des-cometes\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/gap47.astrosurf.com\/index.php\/ressources\/nos-photos\/photos-des-cometes\/#primaryimage\"},\"thumbnailUrl\":\"http:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2023\/01\/0064_C2022E3ZTF.png\",\"datePublished\":\"2017-07-12T22:31:24+00:00\",\"dateModified\":\"2023-01-23T21:01:35+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/gap47.astrosurf.com\/index.php\/ressources\/nos-photos\/photos-des-cometes\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/gap47.astrosurf.com\/index.php\/ressources\/nos-photos\/photos-des-cometes\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/gap47.astrosurf.com\/index.php\/ressources\/nos-photos\/photos-des-cometes\/#primaryimage\",\"url\":\"https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2023\/01\/0064_C2022E3ZTF.png\",\"contentUrl\":\"https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2023\/01\/0064_C2022E3ZTF.png\",\"width\":4144,\"height\":2822},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/gap47.astrosurf.com\/index.php\/ressources\/nos-photos\/photos-des-cometes\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\/\/gap47.astrosurf.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Ressources\",\"item\":\"https:\/\/gap47.astrosurf.com\/index.php\/ressources\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Nos photos\",\"item\":\"https:\/\/gap47.astrosurf.com\/index.php\/ressources\/nos-photos\/\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Photos de com\u00e8tes\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/gap47.astrosurf.com\/#website\",\"url\":\"https:\/\/gap47.astrosurf.com\/\",\"name\":\"De janvier \u00e0 fin juin 2024, le GAP47 sera ouvert aux visiteurs tous les vendredis \u00e0 21h sans r\u00e9servation, \u00e0 l'exception du vendredi 26 janvier o\u00f9 l'observatoire sera ferm\u00e9 au public.\",\"description\":\"Groupe d'Astronomie Populaire du Lot-et-Garonne, \u00e0 Montayral\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/gap47.astrosurf.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Photos de com\u00e8tes - L'observatoire est ouvert aux visiteurs tous les vendredis soirs \u00e0 21 heures, jusqu'au 3 juillet 2026 inclus, sans r\u00e9servation.","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:\/\/gap47.astrosurf.com\/index.php\/ressources\/nos-photos\/photos-des-cometes\/","og_locale":"fr_FR","og_type":"article","og_title":"Photos de com\u00e8tes - L'observatoire est ouvert aux visiteurs tous les vendredis soirs \u00e0 21 heures, jusqu'au 3 juillet 2026 inclus, sans r\u00e9servation.","og_description":"Photo de Fran\u00e7ois Doffin, du GAP47, le 21 janvier 2023 TS-Optics HYPERGRAPH 8\u2033 200\/760 (Fd3,8) – Correcteur R\u00e9ducteur 0,85\u00d72\u2033 soit 640mm (Fd3,2) – ZWO ASI294MC Pro – ZWO EAF – ASI120MM Evoguide 50ED – 105 poses de 60s, Gain=121 (-20\u00b0C) – 50 Darks Gain=121 – Offsets synth\u00e9tiques – 40 Flats – Traitement SiriL \/ PSD … Continuer la lecture de « Photos de com\u00e8tes »","og_url":"https:\/\/gap47.astrosurf.com\/index.php\/ressources\/nos-photos\/photos-des-cometes\/","og_site_name":"L'observatoire est ouvert aux visiteurs tous les vendredis soirs \u00e0 21 heures, jusqu'au 3 juillet 2026 inclus, sans r\u00e9servation.","article_publisher":"https:\/\/www.facebook.com\/astrogap47\/","article_modified_time":"2023-01-23T21:01:35+00:00","og_image":[{"url":"http:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2023\/01\/0064_C2022E3ZTF.png","type":"","width":"","height":""}],"twitter_card":"summary_large_image","twitter_misc":{"Dur\u00e9e de lecture estim\u00e9e":"4 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/gap47.astrosurf.com\/index.php\/ressources\/nos-photos\/photos-des-cometes\/","url":"https:\/\/gap47.astrosurf.com\/index.php\/ressources\/nos-photos\/photos-des-cometes\/","name":"Photos de com\u00e8tes - L'observatoire est ouvert aux visiteurs tous les vendredis soirs \u00e0 21 heures, jusqu'au 3 juillet 2026 inclus, sans r\u00e9servation.","isPartOf":{"@id":"https:\/\/gap47.astrosurf.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/gap47.astrosurf.com\/index.php\/ressources\/nos-photos\/photos-des-cometes\/#primaryimage"},"image":{"@id":"https:\/\/gap47.astrosurf.com\/index.php\/ressources\/nos-photos\/photos-des-cometes\/#primaryimage"},"thumbnailUrl":"http:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2023\/01\/0064_C2022E3ZTF.png","datePublished":"2017-07-12T22:31:24+00:00","dateModified":"2023-01-23T21:01:35+00:00","breadcrumb":{"@id":"https:\/\/gap47.astrosurf.com\/index.php\/ressources\/nos-photos\/photos-des-cometes\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/gap47.astrosurf.com\/index.php\/ressources\/nos-photos\/photos-des-cometes\/"]}]},{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/gap47.astrosurf.com\/index.php\/ressources\/nos-photos\/photos-des-cometes\/#primaryimage","url":"https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2023\/01\/0064_C2022E3ZTF.png","contentUrl":"https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2023\/01\/0064_C2022E3ZTF.png","width":4144,"height":2822},{"@type":"BreadcrumbList","@id":"https:\/\/gap47.astrosurf.com\/index.php\/ressources\/nos-photos\/photos-des-cometes\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Accueil","item":"https:\/\/gap47.astrosurf.com\/"},{"@type":"ListItem","position":2,"name":"Ressources","item":"https:\/\/gap47.astrosurf.com\/index.php\/ressources\/"},{"@type":"ListItem","position":3,"name":"Nos photos","item":"https:\/\/gap47.astrosurf.com\/index.php\/ressources\/nos-photos\/"},{"@type":"ListItem","position":4,"name":"Photos de com\u00e8tes"}]},{"@type":"WebSite","@id":"https:\/\/gap47.astrosurf.com\/#website","url":"https:\/\/gap47.astrosurf.com\/","name":"De janvier \u00e0 fin juin 2024, le GAP47 sera ouvert aux visiteurs tous les vendredis \u00e0 21h sans r\u00e9servation, \u00e0 l'exception du vendredi 26 janvier o\u00f9 l'observatoire sera ferm\u00e9 au public.","description":"Groupe d'Astronomie Populaire du Lot-et-Garonne, \u00e0 Montayral","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/gap47.astrosurf.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"}]}},"_links":{"self":[{"href":"https:\/\/gap47.astrosurf.com\/index.php\/wp-json\/wp\/v2\/pages\/3564","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gap47.astrosurf.com\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/gap47.astrosurf.com\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/gap47.astrosurf.com\/index.php\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/gap47.astrosurf.com\/index.php\/wp-json\/wp\/v2\/comments?post=3564"}],"version-history":[{"count":23,"href":"https:\/\/gap47.astrosurf.com\/index.php\/wp-json\/wp\/v2\/pages\/3564\/revisions"}],"predecessor-version":[{"id":12054,"href":"https:\/\/gap47.astrosurf.com\/index.php\/wp-json\/wp\/v2\/pages\/3564\/revisions\/12054"}],"up":[{"embeddable":true,"href":"https:\/\/gap47.astrosurf.com\/index.php\/wp-json\/wp\/v2\/pages\/1279"}],"wp:attachment":[{"href":"https:\/\/gap47.astrosurf.com\/index.php\/wp-json\/wp\/v2\/media?parent=3564"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}