{"id":11022,"date":"2024-11-20T08:00:00","date_gmt":"2024-11-20T07:00:00","guid":{"rendered":"https:\/\/www.blog.neoprog.eu\/?p=11022"},"modified":"2024-11-19T18:27:03","modified_gmt":"2024-11-19T17:27:03","slug":"heure-dhiver","status":"publish","type":"post","link":"https:\/\/www.blog.neoprog.eu\/index.php\/2024\/11\/20\/heure-dhiver\/","title":{"rendered":"Heure d’hiver"},"content":{"rendered":"\n
\"\"<\/figure>\n\n\n\n

Malgr\u00e9 sa remise en question r\u00e9guli\u00e8re, une consultation avort\u00e9e, des milliers de lignes de codes pour pr\u00e9parer le changement, nous sommes revenus \u00e0 l\u2019heure d\u2019hiver. <\/p>\n\n\n\n

Mon \u00e9pouse est d\u00e9sesp\u00e9r\u00e9e, elle qui aime tant les longues soir\u00e9es d\u2019\u00e9t\u00e9. Moi je jubile, car il fait nuit plus t\u00f4t. <\/p>\n\n\n\n

D\u00e8s dix-sept heures le soleil passe derri\u00e8re l\u2019horizon pour aller r\u00e9veiller les \u00e9lecteurs de Trump. Les Russes dorment enfin, abrutis par trop de vodka et les astronomes amateurs alsaciens installent leur mat\u00e9riel sur les sommets vosgiens.<\/p>\n\n\n\n

L\u2019Alsace est dans la brume mais \u00e0 mille m\u00e8tres d\u2019altitude, au-dessus de l\u2019inversion de temp\u00e9rature, le ciel resplendit. A dix-huit heures, la Voie Lact\u00e9e barre le ciel de son voile laiteux et la danse des t\u00e9lescopes commence enfin.<\/p>\n\n\n\n

Pendant l\u2019\u00e9t\u00e9 il faut patienter jusqu\u2019\u00e0 minuit pour observer correctement les \u00e9toiles. Avec des sessions de quatre heures de photographie l\u2019astronome ne remballe son mat\u00e9riel qu\u2019\u00e0 l\u2019aube. <\/p>\n\n\n\n

Autant dire qu\u2019entre le mauvais temps, la pleine lune et le peu d\u2019heures de nuit, les occasions sont trop rares de r\u00e9aliser de belles photographies.<\/p>\n\n\n\n

En hiver, le temps anticyclonique peut s\u2019installer pendant plusieurs jours, la fra\u00eecheur des nuits rend l\u2019atmosph\u00e8re d\u2019une rare stabilit\u00e9 et les constellations sont, d\u2019apr\u00e8s moi, les plus belles \u00e0 cette saison dans l\u2019h\u00e9misph\u00e8re nord.<\/p>\n\n\n\n

Je peux installer un instrument dans le jardin avant le souper, lancer une s\u00e9rie de photographies depuis la cuisine, manger, faire la vaisselle, prendre ma douche, regarder deux \u00e9pisodes d\u2019une s\u00e9rie TV et remballer le mat\u00e9riel apr\u00e8s deux ou trois heures de travail sur le m\u00eame objet.<\/p>\n\n\n\n

Mais lorsque j\u2019ai le temps, je partage une longue nuit d\u2019observation dans les Vosges avec les copains. Un d\u00e9part juste apr\u00e8s le travail, le coffre plein de mat\u00e9riel, une installation dans l\u2019obscurit\u00e9 et si la m\u00e9t\u00e9o est de la partie, la nuit nous offre plus de huit heures d\u2019observations fabuleuses, seules les batteries du mat\u00e9riel sont un frein \u00e0 notre exploration du ciel.<\/p>\n\n\n\n

J’ai une longue liste d’objets \u00e0 photographier comme la n\u00e9buleuse la n\u00e9buleuse de la bulle avec laquelle j’ai commenc\u00e9 ma s\u00e9rie, celle d’Orion, la t\u00eate de cheval, les Pleiades, des amas globulaires et des objets plus difficiles sur lesquels je compte bien m’essayer d\u00e8s que le ciel le permettra.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

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

Malgr\u00e9 sa remise en question r\u00e9guli\u00e8re, une consultation avort\u00e9e, des milliers de lignes de codes pour pr\u00e9parer le changement, nous sommes revenus \u00e0 l\u2019heure d\u2019hiver.\u00a0 Continuer la lecture →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":11023,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"image","meta":{"footnotes":""},"categories":[2810,7],"tags":[185,2747,3332,2319,723,875],"class_list":["post-11022","post","type-post","status-publish","format-image","has-post-thumbnail","hentry","category-astro","category-photo","tag-astronomie","tag-ciel","tag-heure-dhiver","tag-meteorologie","tag-nuit","tag-photographie","post_format-post-format-image"],"yoast_head":"\nHeure d'hiver - Le Blog du N\u00e9oprog<\/title>\n<meta name=\"description\" content=\"L\u2019Alsace est dans la brume mais \u00e0 mille m\u00e8tres d\u2019altitude, au-dessus de l\u2019inversion de temp\u00e9rature, le ciel resplendit\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.blog.neoprog.eu\/index.php\/2024\/11\/20\/heure-dhiver\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Heure d'hiver - 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