{"id":20814,"date":"2025-09-26T07:28:57","date_gmt":"2025-09-26T05:28:57","guid":{"rendered":"https:\/\/reperes-astro.fr\/?p=20814"},"modified":"2025-09-30T19:33:28","modified_gmt":"2025-09-30T17:33:28","slug":"belles-observations-en-octobre-2025","status":"publish","type":"post","link":"https:\/\/reperes-astro.fr\/belles-observations-en-octobre-2025\/","title":{"rendered":"Belles observations en Octobre 2025"},"content":{"rendered":"\n<p>De belles observations en Octobre s\u2019annoncent, notamment de com\u00e8tes. <a href=\"https:\/\/fr.wikipedia.org\/wiki\/C\/2025_R2_(SWAN)\"><strong>C\/2025 R2<\/strong><\/a> (SWAN) et <strong><a href=\"https:\/\/fr.wikipedia.org\/wiki\/C\/2025_A6_(Lemmon)\">C\/2025 A6<\/a><\/strong> (Lemmon) seront observables depuis la France aux jumelles, et probablement m\u00eame \u00e0 l\u2019\u0153il nu pour la seconde).<\/p>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-not-stacked-on-mobile is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/09\/Cometes_Swan_Atlas-68d1-e1758959872939.jpeg\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"709\" src=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/09\/Cometes_Swan_Atlas-68d1-e1758959872939.jpeg\" alt=\"Belles observations en Octobre\" class=\"wp-image-20815\" style=\"aspect-ratio:4\/3;object-fit:cover\" srcset=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/09\/Cometes_Swan_Atlas-68d1-e1758959872939.jpeg 1000w, https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/09\/Cometes_Swan_Atlas-68d1-e1758959872939-300x213.jpeg 300w, https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/09\/Cometes_Swan_Atlas-68d1-e1758959872939-768x545.jpeg 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/a><figcaption class=\"wp-element-caption\">C\/2025 R2 (Swan)<\/figcaption><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/09\/C2025_A6_Lemmon.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/09\/C2025_A6_Lemmon.jpg\" alt=\"Belles observations en Octobre\" class=\"wp-image-20829\" srcset=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/09\/C2025_A6_Lemmon.jpg 800w, https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/09\/C2025_A6_Lemmon-300x225.jpg 300w, https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/09\/C2025_A6_Lemmon-768x576.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><figcaption class=\"wp-element-caption\">C\/2025 A6 (Lemmon)<\/figcaption><\/figure>\n<\/div><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-not-stacked-on-mobile is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\"><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\"><\/div>\n<\/div>\n\n\n\n<p>Mais \u00e9galement quelques <strong><a href=\"https:\/\/fr.wikipedia.org\/wiki\/Conjonction_(astronomie)\">conjonctions<\/a><\/strong> \u00e0 ne pas rater. (Source <strong><a href=\"http:\/\/pgj.astro.free.fr\/oct2025.htm\">P.J.G<\/a><\/strong> et <strong><a href=\"https:\/\/starwalk.space\/fr\/news\/astronomy-calendar-2025\">StarWalk<\/a><\/strong>).<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\" id=\"6-octobre--la-lune-pr\u00e8s-de-saturne\"><strong>6 Octobre : la Lune pr\u00e8s de Saturne<\/strong><\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-full\"><a href=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/09\/061025.gif\"><img loading=\"lazy\" decoding=\"async\" width=\"180\" height=\"140\" src=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/09\/061025.gif\" alt=\"\" class=\"wp-image-20817\"\/><\/a><\/figure>\n<\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Heure de l&rsquo;approche la plus proche :<\/strong>&nbsp;00:30 GMT<\/li>\n\n\n\n<li><strong>Distance de l&rsquo;approche la plus proche :<\/strong>&nbsp;3\u00b021&prime;<\/li>\n\n\n\n<li><strong>Heure de la conjonction :<\/strong>&nbsp;02:46 GMT<\/li>\n\n\n\n<li><strong>Distance de la conjonction :<\/strong>&nbsp;3\u00b048&prime;<\/li>\n<\/ul>\n\n\n\n<p>Le 6 octobre, la Lune, illumin\u00e9e \u00e0 98%, sera proche de Saturne (mag. 0.6) dans le ciel. Observez-les \u00e0 l&rsquo;\u0153il nu ou avec une paire de jumelles dans la constellation des Poissons.<\/p>\n\n\n\n<div class=\"wp-block-columns is-not-stacked-on-mobile is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\"><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\"><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\"><strong>10 Octobre : la Lune pr\u00e8s des Pl\u00e9iades<\/strong><\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-full\"><a href=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/09\/101025.gif\"><img loading=\"lazy\" decoding=\"async\" width=\"180\" height=\"140\" src=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/09\/101025.gif\" alt=\"Belles observations en Octobre\" class=\"wp-image-20819\"\/><\/a><\/figure>\n<\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Heure de la conjonction :<\/strong>&nbsp;02:59 GMT<\/li>\n\n\n\n<li><strong>Distance de la conjonction :<\/strong>&nbsp;0\u00b036&prime;<\/li>\n<\/ul>\n\n\n\n<p>Le 10 octobre, la Lune, illumin\u00e9e \u00e0 88%, sera proche de l&rsquo;amas d&rsquo;\u00e9toiles des Pl\u00e9iades (mag. 1.2) dans le ciel. Observez-les \u00e0 l&rsquo;\u0153il nu ou avec une paire de jumelles dans la constellation du Taureau.<\/p>\n\n\n\n<div class=\"wp-block-columns is-not-stacked-on-mobile is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\"><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\"><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\"><strong>13 Octobre : la Lune pr\u00e8s de Jupiter<\/strong><\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-full\"><a href=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/09\/141025.gif\"><img loading=\"lazy\" decoding=\"async\" width=\"180\" height=\"140\" src=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/09\/141025.gif\" alt=\"\" class=\"wp-image-20820\"\/><\/a><\/figure>\n<\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Heure de la conjonction :<\/strong>&nbsp;22:31 GMT<\/li>\n\n\n\n<li><strong>Distance de la conjonction :<\/strong>&nbsp;4\u00b018&prime;<\/li>\n\n\n\n<li><strong>Heure de l&rsquo;approche la plus proche :<\/strong>&nbsp;23:49 GMT<\/li>\n\n\n\n<li><strong>Distance de l&rsquo;approche la plus proche :<\/strong>&nbsp;4\u00b011&prime;<\/li>\n<\/ul>\n\n\n\n<p>Le 13 octobre, la Lune, illumin\u00e9e \u00e0 58%, sera proche de Jupiter (mag. -2.2) dans le ciel. Observez-les \u00e0 l&rsquo;\u0153il nu ou avec une paire de jumelles dans la constellation des G\u00e9meaux.<\/p>\n\n\n\n<div class=\"wp-block-columns is-not-stacked-on-mobile is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\"><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\"><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\" id=\"20-21-octobre--pic-de-la-pluie-de-m\u00e9t\u00e9ores-des-orionides\"><strong>20-21 Octobre : pic de la pluie de m\u00e9t\u00e9ores des Orionides<\/strong><\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-full\"><a href=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/09\/ess-ori-180.gif\"><img loading=\"lazy\" decoding=\"async\" width=\"180\" height=\"140\" src=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/09\/ess-ori-180.gif\" alt=\"\" class=\"wp-image-20821\"\/><\/a><\/figure>\n<\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>M\u00e9t\u00e9ores\/heure :<\/strong>&nbsp;20<\/li>\n\n\n\n<li><strong>Illumination de la Lune :<\/strong>&nbsp;0%<\/li>\n\n\n\n<li><strong>Active :<\/strong>&nbsp;2 octobre &#8211; 7 novembre<\/li>\n\n\n\n<li><strong>Position du radiant :<\/strong>&nbsp;Orion<\/li>\n\n\n\n<li><strong>Visible depuis :<\/strong>&nbsp;partout<\/li>\n<\/ul>\n\n\n\n<p>Les Orionides sont une pluie de m\u00e9t\u00e9ores de force moyenne capable de montrer des rafales d&rsquo;activit\u00e9 occasionnelles. Par exemple,&nbsp;<a href=\"https:\/\/www.amsmeteors.org\/meteor-showers\/meteor-shower-calendar\/#Orionids\"><strong>selon l&rsquo;American Meteor Society<\/strong><\/a>, en 2006-2009, les taux de pic des Orionides ont presque rivalis\u00e9 avec ceux des Pers\u00e9ides, atteignant 50-75 m\u00e9t\u00e9ores par heure. Cette ann\u00e9e,&nbsp;<strong>les conditions d&rsquo;observation sont id\u00e9ales<\/strong>, car la pluie de m\u00e9t\u00e9ores atteint son pic la nuit de la Nouvelle Lune. Observez les m\u00e9t\u00e9ores Orionides \u00e0 partir de minuit jusqu&rsquo;\u00e0 l&rsquo;aube.<\/p>\n\n\n\n<div class=\"wp-block-columns is-not-stacked-on-mobile is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\"><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\"><\/div>\n<\/div>\n\n\n\n<p>Alors que cela soit avec un instrument d&rsquo;observation, de simples jumelles ou bien encore \u00e0 l&rsquo;\u0153il nu, n&rsquo;h\u00e9sitez pas \u00e0 prendre un peu de temps pour voir de vos yeux ces moments plut\u00f4t rares en famille ou avec vos amis.<\/p>\n\n\n\n<p><\/p>\n<div class=\"pvc_clear\"><\/div><p id=\"pvc_stats_20814\" class=\"pvc_stats all  \" data-element-id=\"20814\" style=\"\"><i class=\"pvc-stats-icon medium\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> <img loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/plugins\/page-views-count\/ajax-loader-2x.gif\" border=0 \/><\/p><div class=\"pvc_clear\"><\/div>","protected":false},"excerpt":{"rendered":"<p>De belles observations en Octobre s\u2019annoncent, notamment de com\u00e8tes. 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