{"id":2315,"date":"2025-11-03T18:31:46","date_gmt":"2025-11-03T17:31:46","guid":{"rendered":"http:\/\/www.obs-vignotte.fr\/?p=2315"},"modified":"2026-02-23T17:10:47","modified_gmt":"2026-02-23T16:10:47","slug":"comete-c-2025-a6-lemmon","status":"publish","type":"post","link":"https:\/\/www.obs-vignotte.fr\/?p=2315","title":{"rendered":"Com\u00e8te C\/2025 A6 Lemmon"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"> Pas \u00e9vident de trouver un peu de temps pour observer cette com\u00e8te de fin d\u2019ann\u00e9e, entre le mauvais temps et les phases de la Lune&#8230; Pour autant, elle reste facilement rep\u00e9rable au-dessus de l\u2019horizon. Avec une magnitude de 4,2, elle est visible \u00e0 l\u2019\u0153il nu sous un ciel sombre et constitue une cible facile \u00e0 observer avec des jumelles. Ce qui est int\u00e9ressant, par ailleurs, c\u2019est qu\u2019elle se d\u00e9place en sens r\u00e9trograde, autrement dit dans le sens oppos\u00e9 \u00e0 la trajectoire des plan\u00e8tes.  <\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"684\" src=\"http:\/\/www.obs-vignotte.fr\/wp-content\/uploads\/2025\/11\/web_comet_Lemmon-1024x684.jpg\" alt=\"\" class=\"wp-image-2320\" srcset=\"https:\/\/www.obs-vignotte.fr\/wp-content\/uploads\/2025\/11\/web_comet_Lemmon-1024x684.jpg 1024w, https:\/\/www.obs-vignotte.fr\/wp-content\/uploads\/2025\/11\/web_comet_Lemmon-300x200.jpg 300w, https:\/\/www.obs-vignotte.fr\/wp-content\/uploads\/2025\/11\/web_comet_Lemmon-768x513.jpg 768w, https:\/\/www.obs-vignotte.fr\/wp-content\/uploads\/2025\/11\/web_comet_Lemmon-449x300.jpg 449w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Avec un objectif tr\u00e8s grand champs, elle se distingue au dessus de l&rsquo;horizon. Pour l&rsquo;image en pleine d\u00e9finition, cliquez <a href=\"http:\/\/www.obs-vignotte.fr\/wp-content\/uploads\/2025\/11\/web_comet_Lemmon.jpg\">ici<\/a>. L&rsquo;image est prise le 30\/10\/25, avec une Lune au premier quartier. Canon 6D, et un objectif Tokina 16-28mm AT-X Pro FX ED ouvert \u00e0 2,8. Pose de 8s. <\/p>\n\n\n\n<!--more-->\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"http:\/\/www.obs-vignotte.fr\/wp-content\/uploads\/2025\/11\/web_comete_Lemmon_180-1024x1024.jpg\" alt=\"\" class=\"wp-image-2323\" srcset=\"https:\/\/www.obs-vignotte.fr\/wp-content\/uploads\/2025\/11\/web_comete_Lemmon_180-1024x1024.jpg 1024w, https:\/\/www.obs-vignotte.fr\/wp-content\/uploads\/2025\/11\/web_comete_Lemmon_180-150x150.jpg 150w, https:\/\/www.obs-vignotte.fr\/wp-content\/uploads\/2025\/11\/web_comete_Lemmon_180-300x300.jpg 300w, https:\/\/www.obs-vignotte.fr\/wp-content\/uploads\/2025\/11\/web_comete_Lemmon_180-768x768.jpg 768w, https:\/\/www.obs-vignotte.fr\/wp-content\/uploads\/2025\/11\/web_comete_Lemmon_180-144x144.jpg 144w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Un petit \u00ab\u00a0crop\u00a0\u00bb en utilisant un objectif<a href=\"http:\/\/www.obs-vignotte.fr\/?p=122\">\u00a0Leica Telyt 180 apo<\/a> et la pr\u00e9historique monture Takahashi EM1S. (33x20s \u00e0 2000 Iso). Image \u00e0 100% <a href=\"http:\/\/www.obs-vignotte.fr\/wp-content\/uploads\/2025\/11\/web_comete_Lemmon_180.jpg\">ici<\/a>. La com\u00e8te est photographi\u00e9e le m\u00eame soir, avec une Lune illumin\u00e9e \u00e0 53% et en pr\u00e9sence de nuages \u00e0 l&rsquo;horizon. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Enfin, voici un dessin de la com\u00e8te, associant pour l&rsquo;observation mon <a href=\"http:\/\/www.obs-vignotte.fr\/?p=2150\">dobson 210<\/a> et mes jumelles <a href=\"http:\/\/www.obs-vignotte.fr\/?p=2104\">Meopta MeoPro Air 10\u00d742 HDED+<\/a>(A noter, il n&rsquo;y a pas d&rsquo;\u00e9toiles en fonds de ciel, je me suis concentr\u00e9 sur les nuances dans la queue de la com\u00e8te !)<br><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"http:\/\/www.obs-vignotte.fr\/wp-content\/uploads\/2026\/02\/Dessin_comete_Lemmon-1024x768.jpg\" alt=\"\" class=\"wp-image-2407\" srcset=\"https:\/\/www.obs-vignotte.fr\/wp-content\/uploads\/2026\/02\/Dessin_comete_Lemmon-1024x768.jpg 1024w, https:\/\/www.obs-vignotte.fr\/wp-content\/uploads\/2026\/02\/Dessin_comete_Lemmon-300x225.jpg 300w, https:\/\/www.obs-vignotte.fr\/wp-content\/uploads\/2026\/02\/Dessin_comete_Lemmon-768x576.jpg 768w, https:\/\/www.obs-vignotte.fr\/wp-content\/uploads\/2026\/02\/Dessin_comete_Lemmon-400x300.jpg 400w, https:\/\/www.obs-vignotte.fr\/wp-content\/uploads\/2026\/02\/Dessin_comete_Lemmon.jpg 1500w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\nRendez-vous dans plus de 1000 ans pour son prochain passage !\n\n<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pas \u00e9vident de trouver un peu de temps pour observer cette com\u00e8te de fin d\u2019ann\u00e9e, entre le mauvais temps et les phases de la Lune&#8230; Pour autant, elle reste facilement rep\u00e9rable au-dessus de l\u2019horizon. Avec une magnitude de 4,2, elle &hellip; <a href=\"https:\/\/www.obs-vignotte.fr\/?p=2315\">Continuer la lecture <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[192,62],"class_list":["post-2315","post","type-post","status-publish","format-standard","hentry","category-non-classe","tag-c-2025-lemmon","tag-comete"],"_links":{"self":[{"href":"https:\/\/www.obs-vignotte.fr\/index.php?rest_route=\/wp\/v2\/posts\/2315","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.obs-vignotte.fr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.obs-vignotte.fr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.obs-vignotte.fr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.obs-vignotte.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2315"}],"version-history":[{"count":13,"href":"https:\/\/www.obs-vignotte.fr\/index.php?rest_route=\/wp\/v2\/posts\/2315\/revisions"}],"predecessor-version":[{"id":2409,"href":"https:\/\/www.obs-vignotte.fr\/index.php?rest_route=\/wp\/v2\/posts\/2315\/revisions\/2409"}],"wp:attachment":[{"href":"https:\/\/www.obs-vignotte.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2315"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.obs-vignotte.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2315"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.obs-vignotte.fr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2315"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}