{"id":11095,"date":"2024-12-11T08:00:00","date_gmt":"2024-12-11T07:00:00","guid":{"rendered":"https:\/\/www.blog.neoprog.eu\/?p=11095"},"modified":"2024-12-07T10:39:18","modified_gmt":"2024-12-07T09:39:18","slug":"planetaire","status":"publish","type":"post","link":"https:\/\/www.blog.neoprog.eu\/index.php\/2024\/12\/11\/planetaire\/","title":{"rendered":"Plan\u00e9taire"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.blog.neoprog.eu\/wp-content\/uploads\/2024\/12\/Jupiter-1024x683.jpg\" alt=\"Jupiter\" class=\"wp-image-11096\" srcset=\"https:\/\/www.blog.neoprog.eu\/wp-content\/uploads\/2024\/12\/Jupiter-1024x683.jpg 1024w, https:\/\/www.blog.neoprog.eu\/wp-content\/uploads\/2024\/12\/Jupiter-300x200.jpg 300w, https:\/\/www.blog.neoprog.eu\/wp-content\/uploads\/2024\/12\/Jupiter-768x512.jpg 768w, https:\/\/www.blog.neoprog.eu\/wp-content\/uploads\/2024\/12\/Jupiter-1536x1024.jpg 1536w, https:\/\/www.blog.neoprog.eu\/wp-content\/uploads\/2024\/12\/Jupiter-450x300.jpg 450w, https:\/\/www.blog.neoprog.eu\/wp-content\/uploads\/2024\/12\/Jupiter.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Le Celestron Edge HD 8 est un tr\u00e8s bel instrument pour l\u2019astronomie plan\u00e9taire.&nbsp;<\/p>\n\n\n\n<p>Son ouverture \u00e0 f\/d 10 et son champ r\u00e9duit se pr\u00eatent parfaitement \u00e0 l\u2019observation de la Lune, Jupiter, Saturne ou V\u00e9nus lorsqu\u2019elles sont suffisamment hautes sur l\u2019horizon.&nbsp;<\/p>\n\n\n\n<p>Le souci de cet instrument r\u00e9side dans son syst\u00e8me de mise au point par d\u00e9placement du miroir qui manque cruellement de pr\u00e9cision, probl\u00e8me que j\u2019ai corrig\u00e9 avec l\u2019installation d\u2019un porte oculaire Crayford et l\u2019ajout d\u2019un renvoi coud\u00e9 quartz.<\/p>\n\n\n\n<p>J\u2019ai enfin pu tester le setup sur Jupiter et la n\u00e9buleuse d\u2019Orion depuis la terrasse du jardin un soir apr\u00e8s le travail.&nbsp;<\/p>\n\n\n\n<p>J\u2019ai install\u00e9 un Barlow x 3 ainsi qu\u2019un oculaire grand champ Explore Scientific de 14 mm, l\u2019\u00e9quivalent d\u2019un oculaire de 5 mm soit un grossissement de plus de 400 fois avec un tr\u00e8s belle image.<\/p>\n\n\n\n<p>J\u2019ai \u00e9galement test\u00e9 ma cam\u00e9ra de guidage noir et blanc pour filmer la plan\u00e8te avec le Barlow x 3. C\u2019\u00e9tait la premi\u00e8re fois que je tentais une acquisition d\u2019image via ce proc\u00e9d\u00e9 et cela fonctionne plut\u00f4t bien \u00e0 condition d\u2019avoir compris que la vid\u00e9o n\u2019est pas enregistr\u00e9e sur la m\u00e9moire de l\u2019Asiair mais dans la tablette.<\/p>\n\n\n\n<p>Pour traiter ces vid\u00e9os, il existe de nombreux logiciels sous Windows. Mais voil\u00e0, je suis sur Mac. Du coup tout devient plus compliqu\u00e9. Il y a bien un logiciel qui fait le travail. Il s\u2019appelle Planetary System Stacker. H\u00e9las il fonctionne avec le langage Python.<\/p>\n\n\n\n<p>Et pour tout vous dire cela fait des ann\u00e9es que je n\u2019ai pas bidouill\u00e9 en informatique encore moins sur MacOs.&nbsp;<\/p>\n\n\n\n<p>Je ai r\u00e9cup\u00e9r\u00e9 le code source du logiciel, puis j\u2019ai installer plusieurs versions de Python 3 sur l\u2019iMac avant de trouver la bonne. Ensuite il a fallu comprendre la documentation d\u2019installation et de configuration de Planetary System Stacker sur un Mac. Le mode d\u2019emploi fourni \u00e9tait des plus lacunaire alors j\u2019ai navigu\u00e9 dans les forums d\u2019astrofondus.<\/p>\n\n\n\n<p>Le logiciel n\u00e9cessitait l\u2019ajout de plusieurs biblioth\u00e8ques Python non fournies, des mises \u00e0 jour de la distribution et quelques ajustements pour que cela fonctionne. Cela m\u2019a pris plusieurs heures pour trouverez et tout \u00e0 coup, miracle, Planetary System Stacker \u00e0 d\u00e9marr\u00e9.&nbsp;<\/p>\n\n\n\n<p>Il fonctionne avec des fichiers .SER alors que j\u2019avais enregistr\u00e9 mes images en .MP4 avec l\u2019Asiair. Le logiciel SIRIL m\u2019a permis de convertir ma vid\u00e9o au bon format et le c\u0153ur battant j\u2019ai test\u00e9 Planetary System Stacker.<\/p>\n\n\n\n<p>Le logiciel s\u00e9lectionn\u00e9 dans la vid\u00e9o les meilleures images (les plus nettes) et ensuite les additionne comme pour le stacking du ciel profond. Apr\u00e8s, quelques curseurs vous permettent d\u2019am\u00e9liorer l\u2019image obtenue.<\/p>\n\n\n\n<p>Le r\u00e9sultat est assez moche mais cela reste ma plus belle image de Jupiter \u00e0 ce jour donc je suis tr\u00e8s content.<\/p>\n\n\n\n<p>Vu que cela fonctionne, je pense maintenant m\u2019\u00e9quiper d\u2019une cam\u00e9ra couleur d\u00e9di\u00e9e au plan\u00e9taire. La cam\u00e9ra ASI533MC que j\u2019utilise pour le ciel profond n\u2019est pas forc\u00e9ment adapt\u00e9e \u00e0 cet exercice.<\/p>\n\n\n\n<p>Pour ceux que cela int\u00e9rresse voici un mode op\u00e9ratoire pour l&rsquo;installation de Planetary System Stacker sous Mac, du moins les \u00e9tapes dont je me souviens.<\/p>\n\n\n\n<div class=\"wp-block-cover\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim\"><\/span><div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\">\n<p>Le code source du logiciel <strong>Planetary System Stacker<\/strong> est ici : <a href=\"https:\/\/github.com\/Rolf-Hempel\/https:\/\/github.com\/Rolf-Hempel\/PlanetarySystemStacker\">https:\/\/github.com\/Rolf-Hempel\/https:\/\/github.com\/Rolf-Hempel\/PlanetarySystemStacker<\/a> <\/p>\n\n\n\n<p>C&rsquo;est la version 0.9.8.3. Vous r\u00e9cup\u00e9rez une archive <strong>PlanetarySystemStacker-master.zip<\/strong> qu&rsquo;il suffit de d\u00e9compresser et qui contient le code du software.<\/p>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>Pour installer Python sur votre Mac, allez sur cette page : <a href=\"https:\/\/www.python.org\/downloads\/macos\/\">https:\/\/www.python.org\/downloads\/macos\/<\/a> <\/p>\n\n\n\n<p>J&rsquo;ai choisi la version <strong>Python 3.9.13 MacOS Intel <\/strong>car mon vieux Mac tourne avec un micro processeur Intel i7 et que celle-ci semblait fonctionner avec le code.<\/p>\n\n\n\n<p>Vous r\u00e9cup\u00e9rez un fichier <strong>python-3.9.13-macosx10.9.pkg<\/strong> sur lequel il faut cliquer pour l&rsquo;installer. Une fois install\u00e9, lancez le <strong>Python Launcher<\/strong>, l&rsquo;ic\u00f4ne de la petite fus\u00e9e jaune et bleue.<\/p>\n\n\n\n<p>Dans le r\u00e9pertoire d\u00e9compress\u00e9 PlanetarySystemTracker-master vous trouverez le fichier texte <strong>PyPI_Instructions.txt<\/strong> qui explique comment installer le logiciel, vous pouvez essayer, mais je ne suis pas certain que vous arriverez au bout sans un message d&rsquo;erreur.<\/p>\n\n\n\n<p>J&rsquo;ai ouvert un Terminal (une invite de commande Linux si vous pr\u00e9f\u00e9rez), \u00e7a se trouve dans les Applications (Launchpad), dans Autre, Terminal.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"130\" height=\"116\" src=\"https:\/\/www.blog.neoprog.eu\/wp-content\/uploads\/2024\/12\/Terminal-1.png\" alt=\"\" class=\"wp-image-11100\"\/><\/figure>\n<\/div>\n\n\n<p>Depuis le terminal je me suis plac\u00e9 dans le r\u00e9pertoire o\u00f9 j&rsquo;ai d\u00e9sarchiv\u00e9 mon fichier ZIP puis le r\u00e9pertoire de l&rsquo;archive (le texte en italique est a taper dans le terminal) : <\/p>\n\n\n\n<p><em><strong>cd Documents\/PlanetarySystemStacker-master<\/strong><\/em><\/p>\n\n\n\n<p>J&rsquo;ai lanc\u00e9 la commande (pas certain qu&rsquo;elle soit utile mais je l&rsquo;ai fait) : <em><strong>python3 setup.py sdist<\/strong><\/em><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"725\" src=\"https:\/\/www.blog.neoprog.eu\/wp-content\/uploads\/2024\/12\/Capture-decran-2024-12-07-a-10.36.31-1024x725.png\" alt=\"\" class=\"wp-image-11102\" srcset=\"https:\/\/www.blog.neoprog.eu\/wp-content\/uploads\/2024\/12\/Capture-decran-2024-12-07-a-10.36.31-1024x725.png 1024w, https:\/\/www.blog.neoprog.eu\/wp-content\/uploads\/2024\/12\/Capture-decran-2024-12-07-a-10.36.31-300x212.png 300w, https:\/\/www.blog.neoprog.eu\/wp-content\/uploads\/2024\/12\/Capture-decran-2024-12-07-a-10.36.31-768x544.png 768w, https:\/\/www.blog.neoprog.eu\/wp-content\/uploads\/2024\/12\/Capture-decran-2024-12-07-a-10.36.31-424x300.png 424w, https:\/\/www.blog.neoprog.eu\/wp-content\/uploads\/2024\/12\/Capture-decran-2024-12-07-a-10.36.31.png 1364w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Il va vous falloir deux biblioth\u00e8ques Python pour que cela fonctionne : <strong>twine<\/strong> et <strong>bdist_wheel<\/strong><\/p>\n\n\n\n<p>Pour installer bdlist_wheel tapez : <em><strong>pip3 install wheel<\/strong><\/em><\/p>\n\n\n\n<p>Pour installer twine par contre je suis pass\u00e9 par ce lien o\u00f9 vous t\u00e9l\u00e9chargez une archive <strong>twine-6.0.1.tar.gz<\/strong> : <a href=\"https:\/\/pypi.org\/project\/twine\/#files\">https:\/github.com\/pypa\/twine\/<\/a><\/p>\n\n\n\n<p>Pour l&rsquo;installer tapez ou un truc du genre : <em><strong>pip3 install twine<\/strong><\/em> ou <strong><em>python3 install twine<\/em><\/strong>, je en sais plus.<\/p>\n\n\n\n<p>Tapez ensuite : <strong><em>python3 setup_macos.py bdist_wheel &#8211;plat-name macosx_10_6_intel <\/em><\/strong>pour installer wheel<\/p>\n\n\n\n<p>Mettez \u00e0 jour Planetary System Stacker avec cette commande : <strong><em>pip3 install &#8211;upgrade planetary-system-stacker<\/em><\/strong><\/p>\n\n\n\n<p>Normalement votre logiciel est install\u00e9. Placez-vous dans le r\u00e9pertoire <strong>PlanetarySystemStacker-master\/planetary_system_stacker<\/strong> : <strong><em>cd planetary_system_stacker <\/em><\/strong><\/p>\n\n\n\n<p>Et lancez le programme : <strong><em>python3 planetary_system_stacker.py<\/em><\/strong><\/p>\n\n\n\n<p>Le logiciel devrait s&rsquo;ouvrir. Pour son utilisation, je vous renvoie \u00e0 sa documentation en PDF <strong>PlanetarySystemStacker_User-Guide.pdf<\/strong><\/p>\n\n\n\n<p>Bonne chance !<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"829\" src=\"https:\/\/www.blog.neoprog.eu\/wp-content\/uploads\/2024\/12\/PSS.png\" alt=\"\" class=\"wp-image-11098\" srcset=\"https:\/\/www.blog.neoprog.eu\/wp-content\/uploads\/2024\/12\/PSS.png 1024w, https:\/\/www.blog.neoprog.eu\/wp-content\/uploads\/2024\/12\/PSS-300x243.png 300w, https:\/\/www.blog.neoprog.eu\/wp-content\/uploads\/2024\/12\/PSS-768x622.png 768w, https:\/\/www.blog.neoprog.eu\/wp-content\/uploads\/2024\/12\/PSS-371x300.png 371w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Le Celestron Edge HD 8 est un tr\u00e8s bel instrument pour l\u2019astronomie plan\u00e9taire.\u00a0 <a href=\"https:\/\/www.blog.neoprog.eu\/index.php\/2024\/12\/11\/planetaire\/\">Continuer la lecture <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":11096,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"image","meta":{"footnotes":""},"categories":[1311,2810,34,7],"tags":[185,1301,760,2003,3354,128,3353],"class_list":["post-11095","post","type-post","status-publish","format-image","has-post-thumbnail","hentry","category-apple","category-astro","category-internet","category-photo","tag-astronomie","tag-informatique","tag-logiciel","tag-mac","tag-planetary-system-stacker","tag-planete","tag-python","post_format-post-format-image"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - 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