{"id":19011,"date":"2024-04-15T17:02:28","date_gmt":"2024-04-15T17:02:28","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/feldmann\/?p=19011"},"modified":"2024-05-29T14:20:47","modified_gmt":"2024-05-29T14:20:47","slug":"etienne-trouvelot-lart-au-service-de-lastronomie","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/feldmann\/2024\/04\/15\/etienne-trouvelot-lart-au-service-de-lastronomie\/","title":{"rendered":"\u00c9tienne Trouvelot, l&#8217;art au service de l&#8217;astronomie"},"content":{"rendered":"<p><strong>Le peintre \u00c9tienne L\u00e9opold Trouvelot (1827-1895) est l&#8217;auteur d&#8217;une magnifique s\u00e9rie de chromolithographies mariant art et astronomie.\u00a0\u00a0<\/strong><\/p>\n<h5>De l&#8217;entomologie \u00e0 l&#8217;astronomie :<\/h5>\n<p>Rien ne semblait pr\u00e9destiner \u00c9tienne L\u00e9opold Trouvelot \u00e0 devenir un artiste astronome. N\u00e9 \u00e0 Guyencourt (Aisne) en 1827, il \u00e9migre aux USA en 1855, probablement pour des raisons politiques. Il exerce le m\u00e9tier de portraitiste dans le Massachusetts puis dans la banlieue de Boston. C&#8217;est l\u00e0 qu&#8217;il se lance dans une exp\u00e9rience malheureuse. Passionn\u00e9 d&#8217;entomologie, il d\u00e9cide d&#8217;\u00e9lever dans son jardin des \u0153ufs de <em>Bombyx disparate<\/em>. Malheureusement les papillons s&#8217;\u00e9chappent et infestent les arbres tout autour.<\/p>\n<figure id=\"attachment_19013\" aria-describedby=\"caption-attachment-19013\" style=\"width: 306px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2024\/02\/trouv8.jpg\" rel=\"lightbox[19011]\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-19013 size-medium\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2024\/02\/trouv8-306x450.jpg\" alt=\"\" width=\"306\" height=\"450\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2024\/02\/trouv8-306x450.jpg 306w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2024\/02\/trouv8-696x1024.jpg 696w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2024\/02\/trouv8-768x1129.jpg 768w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2024\/02\/trouv8.jpg 954w\" sizes=\"auto, (max-width: 306px) 100vw, 306px\" \/><\/a><figcaption id=\"caption-attachment-19013\" class=\"wp-caption-text\">\u00c9tienne L\u00e9opold Trouvelot (auteur inconnu).<\/figcaption><\/figure>\n<p>Les chenilles de cette esp\u00e8ce, particuli\u00e8rement invasive, causent depuis des d\u00e9g\u00e2ts importants sur les feuillus am\u00e9ricains. En France, elles font aussi r\u00e9guli\u00e8rement l&#8217;actualit\u00e9 (<a href=\"https:\/\/www.futura-sciences.com\/planete\/breves\/vegetation-6000-hectares-foret-devastes-chenilles-voraces-var-877\/\" target=\"_blank\" rel=\"noopener\">6.000 hectares de for\u00eat d\u00e9vast\u00e9s par des chenilles voraces dans le Var<\/a>). D\u00e9courag\u00e9, Trouvelot se tourne alors vers l&#8217;astronomie. En 1870, il r\u00e9alise plusieurs dessins des <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2023\/11\/06\/en-video-aurores-boreales-au-plateau-de-calern\/\" target=\"_blank\" rel=\"noopener\">aurores bor\u00e9ales<\/a> observables dans le pays. <!--more--><\/p>\n<h5>Profession peintre-astronome :<\/h5>\n<p>Avec ses pastels astronomiques, Trouvelot attire l&#8217;attention des astronomes. Il entre en 1872 \u00e0 l&#8217;Observatoire du <a href=\"https:\/\/hco.cfa.harvard.edu\/\" target=\"_blank\" rel=\"noopener\">Harvard College<\/a> o\u00f9 il apprend \u00e0 utiliser les instruments astronomiques. En 1875-76, il poursuit ses observations \u00e0 la <a href=\"https:\/\/www.cnmoc.usff.navy.mil\/Our-Commands\/United-States-Naval-Observatory\/Our-Telescopes\/The-12-inch-Clark-Saegm%C3%BCller-refractor\/\" target=\"_blank\" rel=\"noopener\">grande lunette Clark\/Saegm\u00fcller<\/a> du\u00a0 <a href=\"https:\/\/mountwashington.org\/\" target=\"_blank\" rel=\"noopener\">Mount Washington Observatory<\/a>. Chaque s\u00e9jour dans un observatoire est l&#8217;occasion de r\u00e9aliser de nouveaux dessins :<\/p>\n<div id='gallery-1' class='gallery galleryid-19011 gallery-columns-3 gallery-size-thumbnail'><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2024\/02\/trouv13.jpg' rel=\"lightbox[19011]\"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2024\/02\/trouv13-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" \/><\/a>\n\t\t\t<\/div><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon portrait'>\n\t\t\t\t<a href='https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2024\/02\/trouv12.jpg' rel=\"lightbox[19011]\"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2024\/02\/trouv12-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" \/><\/a>\n\t\t\t<\/div><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon portrait'>\n\t\t\t\t<a href='https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2024\/02\/trouv11.jpg' rel=\"lightbox[19011]\"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2024\/02\/trouv11-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" \/><\/a>\n\t\t\t<\/div><\/figure>\n\t\t<\/div>\n\n<p>Sa notori\u00e9t\u00e9 grandissante lui offre l&#8217;opportunit\u00e9 de pr\u00e9senter ses \u0153uvres astronomiques durant l&#8217;Exposition universelle de 1876 \u00e0 Philadelphie. En 1882, il revient en France et s&#8217;installe \u00e0 l&#8217;<a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/05\/26\/lobservatoire-meudon\/\" target=\"_blank\" rel=\"noopener\">Observatoire de Meudon<\/a> jusqu&#8217;\u00e0 sa mort en 1895. Le 20 septembre 1886, il est aux c\u00f4t\u00e9s de Camille Flammarion lors de l&#8217;inauguration de l&#8217;Observatoire de Juvisy en pr\u00e9sence de l&#8217;Empereur du Br\u00e9sil. L&#8217;ann\u00e9e suivante, il est l&#8217;un des membres du bureau de la toute jeune Soci\u00e9t\u00e9 Astronomique de France, fond\u00e9e par Flammarion.<\/p>\n<div id='gallery-2' class='gallery galleryid-19011 gallery-columns-3 gallery-size-thumbnail'><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2024\/02\/trouv4.jpg' rel=\"lightbox[19011]\"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2024\/02\/trouv4-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" \/><\/a>\n\t\t\t<\/div><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2024\/02\/trouv5.jpg' rel=\"lightbox[19011]\"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2024\/02\/trouv5-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" \/><\/a>\n\t\t\t<\/div><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2024\/02\/trouv6.jpg' rel=\"lightbox[19011]\"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2024\/02\/trouv6-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" \/><\/a>\n\t\t\t<\/div><\/figure>\n\t\t<\/div>\n\n<h5>Une \u0153uvre majeure :<\/h5>\n<p>\u00c0 partir de 1882, date de son retour en France, Trouvelot va se consacrer principalement \u00e0 l&#8217;observation de la <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2023\/05\/11\/insolite-la-lune-phobos-devant-la-planete-mars\/\" target=\"_blank\" rel=\"noopener\">plan\u00e8te Mars<\/a> avec une lunette de 38 centim\u00e8tres de diam\u00e8tre. Comme d&#8217;autres observateurs de son \u00e9poque, il pense que les variations de couleur \u00e0 la surface de Mars sont provoqu\u00e9es par de la v\u00e9g\u00e9tation. 1882, c&#8217;est \u00e9galement l&#8217;ann\u00e9e de la publication de son \u0153uvre majeure, <strong>Astronomical drawings<\/strong>, un ensemble monumental de quinze pastels astronomiques. Pour obtenir des dessins les plus fid\u00e8les possibles, Trouvelot a l&#8217;id\u00e9e de placer une plaque en verre d\u00e9poli devant l&#8217;oculaire de son t\u00e9lescope pour y projeter l&#8217;image. Il pose ensuite sur cette plaque un papier quadrill\u00e9 sur lequel il r\u00e9alise ses esquisses. Ces derni\u00e8res sont ensuite transform\u00e9es en pastels. Chaque pastel fait alors l&#8217;objet d&#8217;une reproduction en couleurs au format 76X100 centim\u00e8tres gr\u00e2ce \u00e0 la technique de la <a href=\"https:\/\/www.mahmah.ch\/voir-et-en-parler\/articles\/articles-blog\/la-chromolithographie#:~:text=Une%20m%C3%A9thode%20de%20gravure%20en,tournant%20du%20XIXe%20si%C3%A8cle.&amp;text=Dans%20l'exposition%20La%20Fabrique,r%C3%A9alisation%20de%20billets%20de%20banque.\" target=\"_blank\" rel=\"noopener\">chromolithographie<\/a>.<\/p>\n<div id='gallery-3' class='gallery galleryid-19011 gallery-columns-3 gallery-size-thumbnail'><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon portrait'>\n\t\t\t\t<a href='https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2024\/02\/trouv10.jpg' rel=\"lightbox[19011]\"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2024\/02\/trouv10-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" \/><\/a>\n\t\t\t<\/div><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2024\/02\/trouv7.jpg' rel=\"lightbox[19011]\"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2024\/02\/trouv7-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" \/><\/a>\n\t\t\t<\/div><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2024\/02\/trouv9.jpg' rel=\"lightbox[19011]\"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2024\/02\/trouv9-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" \/><\/a>\n\t\t\t<\/div><\/figure>\n\t\t<\/div>\n\n<p>L&#8217;ensemble, monumental, est unique dans l&#8217;histoire de l&#8217;imagerie astronomique. Cette \u0153uvre s&#8217;adresse \u00e0 l&#8217;\u00e9poque aux astronomes comme au grand public (fortun\u00e9).<\/p>\n<h5>Vous pourriez aimer :<\/h5>\n<ul>\n<li><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2017\/07\/31\/michel-deconinck-laquarelliste-ciel-nocturne\/\" target=\"_blank\" rel=\"noopener\">Michel Deconinck, l\u2019aquarelliste du ciel nocturne<\/a><\/li>\n<li><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2022\/09\/14\/insolite-les-fausses-nebuleuses-de-kevin-matagne\/\" target=\"_blank\" rel=\"noopener\">Les (fausses) n\u00e9buleuses de l&#8217;artiste Kevin Matagne<\/a><\/li>\n<li><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2023\/09\/29\/dessin-astronomique-la-lune-a-la-craie\/\" target=\"_blank\" rel=\"noopener\">Dessin astronomique : la Lune \u00e0 la craie<\/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>Le peintre \u00c9tienne L\u00e9opold Trouvelot (1827-1895) est l&#8217;auteur d&#8217;une magnifique s\u00e9rie de chromolithographies mariant art et astronomie.\u00a0\u00a0 De l&#8217;entomologie \u00e0 l&#8217;astronomie : Rien ne semblait pr\u00e9destiner \u00c9tienne L\u00e9opold Trouvelot \u00e0 devenir un artiste astronome. N\u00e9 \u00e0 Guyencourt (Aisne) en 1827, il \u00e9migre aux USA en 1855, probablement pour des raisons politiques. Il exerce le m\u00e9tier &hellip; <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2024\/04\/15\/etienne-trouvelot-lart-au-service-de-lastronomie\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">\u00c9tienne Trouvelot, l&#8217;art au service de l&#8217;astronomie<\/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":19012,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[87],"tags":[3532,3533,3531],"class_list":["post-19011","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-les-hommes-et-le-ciel","tag-bombyx-disparate","tag-chromolithographie","tag-etienne-leopold-trouvelot"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - 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