{"id":22705,"date":"2026-04-16T16:16:38","date_gmt":"2026-04-16T16:16:38","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/feldmann\/?p=22705"},"modified":"2026-04-16T16:22:39","modified_gmt":"2026-04-16T16:22:39","slug":"la-comete-c-2025-r3-panstarrs-en-images","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/feldmann\/2026\/04\/16\/la-comete-c-2025-r3-panstarrs-en-images\/","title":{"rendered":"La com\u00e8te C\/2025 R3 (PANSTARRS) en images"},"content":{"rendered":"<p><strong>Blottie en fin de nuit au-dessus de l&#8217;horizon Est, la com\u00e8te C\/2025 R3 (PANSTARRS) ne se d\u00e9voile qu&#8217;aux astrophotographes aguerris.<\/strong><\/p>\n<h5>Un astre chevelu discret :<\/h5>\n<p>La com\u00e8te C\/2025 R3 (PANSTARRS) ne restera pas dans les annales. Contrairement \u00e0 ce qu&#8217;\u00e9crivent certains m\u00e9dias, elle n&#8217;est pas visible \u00e0 l&#8217;\u0153il nu. Elle pourrait l&#8217;\u00eatre th\u00e9oriquement, puisqu\u2019elle affiche une <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2017\/05\/06\/quest-lechelle-magnitudes-astronomie\/\" target=\"_blank\" rel=\"noopener\">magnitude<\/a> de 4,4 (pr\u00e9visions de <a href=\"https:\/\/astro.vanbuitenen.nl\/comet\/2025R3\" target=\"_blank\" rel=\"noopener\">G. van Buitenen<\/a>). Mais ne vous y fiez pas. Tr\u00e8s basse sur l\u2019horizon Est, perdue dans les premi\u00e8res lueurs de l&#8217;aube, elle n&#8217;est pas vraiment \u00e0 son avantage ! M\u00eame \u00e0 plus de 2.000 m\u00e8tres d&#8217;altitude, loin de toute <a href=\"https:\/\/www.geo.fr\/environnement\/en-france-les-nuits-sont-de-plus-en-plus-noires-voici-pourquoi-231635\" target=\"_blank\" rel=\"noopener\">pollution lumineuse<\/a>, elle reste tr\u00e8s discr\u00e8te. Seuls les astrophotographes peuvent nous en r\u00e9v\u00e9ler toute la beaut\u00e9.<\/p>\n<p><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/04\/comet1.jpg\" rel=\"lightbox[22705]\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-22713\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/04\/comet1-450x136.jpg\" alt=\"\" width=\"450\" height=\"136\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/04\/comet1-450x136.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/04\/comet1-1024x310.jpg 1024w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/04\/comet1-768x233.jpg 768w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/04\/comet1-1536x465.jpg 1536w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/04\/comet1-2048x620.jpg 2048w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/04\/comet2.jpg\" rel=\"lightbox[22705]\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-22714\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/04\/comet2-450x136.jpg\" alt=\"\" width=\"450\" height=\"136\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/04\/comet2-450x136.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/04\/comet2-1024x310.jpg 1024w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/04\/comet2-768x233.jpg 768w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/04\/comet2-1536x465.jpg 1536w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/04\/comet2-2048x620.jpg 2048w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><\/p>\n<p>Certains ont d\u00e9cid\u00e9 de se lever t\u00f4t pour aller l&#8217;immortaliser depuis un site exceptionnel, souvent en altitude. La com\u00e8te \u00e9tait invisible \u00e0 l&#8217;\u0153il nu, mais les bo\u00eetiers num\u00e9riques performants ont pu la capter. D&#8217;autres ont fait le choix <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2025\/11\/10\/en-video-lastrophoto-a-distance-comment-ca-marche\/\" target=\"_blank\" rel=\"noopener\">de la photographier \u00e0 distance<\/a>. Tous ont ensuite pass\u00e9 beaucoup de temps derri\u00e8re leur ordinateur pour mettre l&#8217;astre chevelu en valeur. Avec, au final, des clich\u00e9s uniques. Car, si les <a href=\"https:\/\/fr.wikipedia.org\/wiki\/N%C3%A9buleuse\" target=\"_blank\" rel=\"noopener\">n\u00e9buleuses<\/a> et les <a href=\"https:\/\/fr.wikipedia.org\/wiki\/Galaxie\" target=\"_blank\" rel=\"noopener\">galaxies<\/a> sont immuables, les <a href=\"https:\/\/fr.wikipedia.org\/wiki\/Com%C3%A8te\" target=\"_blank\" rel=\"noopener\">com\u00e8tes<\/a>, elles, ne font que passer.<\/p>\n<p><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/04\/comet3.jpg\" rel=\"lightbox[22705]\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-22715\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/04\/comet3-450x136.jpg\" alt=\"\" width=\"450\" height=\"136\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/04\/comet3-450x136.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/04\/comet3-1024x310.jpg 1024w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/04\/comet3-768x233.jpg 768w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/04\/comet3-1536x465.jpg 1536w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/04\/comet3-2048x620.jpg 2048w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/04\/comet4.jpg\" rel=\"lightbox[22705]\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-22718\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/04\/comet4-450x136.jpg\" alt=\"\" width=\"450\" height=\"136\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/04\/comet4-450x136.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/04\/comet4-1024x310.jpg 1024w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/04\/comet4-768x233.jpg 768w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/04\/comet4-1536x465.jpg 1536w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/04\/comet4-2048x620.jpg 2048w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><\/p>\n<p>Il faudra donc attendre la prochaine, en l&#8217;esp\u00e9rant un peu plus brillante, pour que le spectacle soit complet. Les images qui illustrent cet article sont sign\u00e9es <a href=\"https:\/\/www.facebook.com\/photo?fbid=2399942757189209&amp;set=gm.2762596277244150&amp;idorvanity=123943134442824\" target=\"_blank\" rel=\"noopener\">Michael J\u00e4ger<\/a>, <a href=\"https:\/\/www.facebook.com\/photo\/?fbid=1473780380790720&amp;set=a.216372196531551\" target=\"_blank\" rel=\"noopener\">Luc Perrot<\/a>, <a href=\"https:\/\/www.facebook.com\/photo\/?fbid=10241721139394448&amp;set=pcb.10241721166635129\" target=\"_blank\" rel=\"noopener\">Dario Giannobile<\/a>, <a href=\"https:\/\/www.facebook.com\/photo?fbid=4011429712483217&amp;set=pcb.2299076867282418\" target=\"_blank\" rel=\"noopener\">James David Paton<\/a>, <a href=\"https:\/\/www.facebook.com\/photo\/?fbid=10165424198754796&amp;set=a.10150205119684796\" target=\"_blank\" rel=\"noopener\">Dominique Dierick<\/a>, <a href=\"https:\/\/www.facebook.com\/photo\/?fbid=10164310268762920&amp;set=a.387663707919\" target=\"_blank\" rel=\"noopener\">Yann Sty<\/a>, <a href=\"https:\/\/www.facebook.com\/photo\/?fbid=27251605664423883&amp;set=gm.2769516969885414&amp;idorvanity=123943134442824\" target=\"_blank\" rel=\"noopener\">St\u00e9phane Vetter<\/a>, <a href=\"https:\/\/www.facebook.com\/photo\/?fbid=1784837212494007&amp;set=gm.2769329299904181&amp;idorvanity=123943134442824\" target=\"_blank\" rel=\"noopener\">Jakub Ku\u0159\u00e1k<\/a> ou encore <a href=\"https:\/\/www.facebook.com\/photo\/?fbid=10163988804368879&amp;set=pcb.10163988808413879\" target=\"_blank\" rel=\"noopener\">Julien De Winter<\/a>.<\/p>\n<p><iframe loading=\"lazy\" title=\"The Brightest Comet This Spring: C\/2025 R3 (PanSTARRS)\" width=\"474\" height=\"267\" src=\"https:\/\/www.youtube.com\/embed\/YnV1wjXS-ts?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<h5>Vous pourriez aimer :<\/h5>\n<ul>\n<li><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2026\/03\/25\/printemps-1996-la-comete-hyakutake-fait-le-spectacle\/\" target=\"_blank\" rel=\"noopener\">Mars 1996 : la com\u00e8te Hyakutake illumine le ciel nocturne<\/a><\/li>\n<li><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2026\/03\/11\/la-sonde-giotto-survolait-la-comete-de-halley-il-y-a-40-ans\/\" target=\"_blank\" rel=\"noopener\">La sonde Giotto survolait la com\u00e8te de Halley il y a 40 ans<\/a><\/li>\n<li><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2026\/02\/14\/nouvelle-eruption-sur-la-comete-29p-schwassmann-wachmann\/\" target=\"_blank\" rel=\"noopener\">Nouvelle \u00e9ruption sur la com\u00e8te 29P\/Schwassmann-Wachmann<\/a><\/li>\n<\/ul>\n<p>Suivez l\u2019actualit\u00e9 astronomique et d\u00e9couvrez mes images du ciel en vous abonnant \u00e0 Cielmania sur\u00a0<a href=\"https:\/\/www.facebook.com\/cielmania\/\" target=\"_blank\" rel=\"noopener noreferrer\">Facebook<\/a>.<\/p>\n<!-- AddThis Advanced Settings generic via filter on the_content --><!-- AddThis Share Buttons generic via filter on the_content -->","protected":false},"excerpt":{"rendered":"<p>Blottie en fin de nuit au-dessus de l&#8217;horizon Est, la com\u00e8te C\/2025 R3 (PANSTARRS) ne se d\u00e9voile qu&#8217;aux astrophotographes aguerris. Un astre chevelu discret : La com\u00e8te C\/2025 R3 (PANSTARRS) ne restera pas dans les annales. Contrairement \u00e0 ce qu&#8217;\u00e9crivent certains m\u00e9dias, elle n&#8217;est pas visible \u00e0 l&#8217;\u0153il nu. Elle pourrait l&#8217;\u00eatre th\u00e9oriquement, puisqu\u2019elle affiche &hellip; <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2026\/04\/16\/la-comete-c-2025-r3-panstarrs-en-images\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">La com\u00e8te C\/2025 R3 (PANSTARRS) en images<\/span>  <span class=\"meta-nav\">&rarr;<\/span><\/a><!-- AddThis Advanced Settings generic via filter on get_the_excerpt --><!-- AddThis Share Buttons generic via filter on get_the_excerpt --><\/p>\n","protected":false},"author":8,"featured_media":22706,"comment_status":"open","ping_status":"open","sticky":true,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[509],"tags":[3949,93],"class_list":["post-22705","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites","tag-c-2025-r3-panstarrs","tag-comete"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - 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