{"id":1779,"date":"2025-10-17T21:33:21","date_gmt":"2025-10-17T19:33:21","guid":{"rendered":"https:\/\/voyage-astrophoto.fr\/?p=1779"},"modified":"2026-04-02T15:50:41","modified_gmt":"2026-04-02T13:50:41","slug":"le-feuilleton-des-cometes-automnales-6","status":"publish","type":"post","link":"https:\/\/voyage-astrophoto.fr\/index.php\/2025\/10\/17\/le-feuilleton-des-cometes-automnales-6\/","title":{"rendered":"Le feuilleton des com\u00e8tes automnales (6)"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\" id=\"block-ed626c5f-08ea-4ab8-a07b-03ea726283fa\">Sixi\u00e8me tentative (16\/10\/2025)<\/h2>\n\n\n\n<p id=\"block-6107a1ee-fd2c-4322-8772-f5116e9075d9\">Le lendemain, je retente le coup, mais sans conviction puisque le soleil commence \u00e0 se lever au moment o\u00f9 la com\u00e8te devient visible depuis mon jardin.<\/p>\n\n\n\n<p id=\"block-48afe4ea-df29-4596-861f-065b2a417853\">Mais c\u2019est la derni\u00e8re chance : le lendemain, la com\u00e8te sera visible au-dessus de mon horizon encore plus tard. Je ne peux commencer les prises de vue qu&rsquo;\u00e0 7h00.<\/p>\n\n\n\n<p id=\"block-db4f4dc8-861c-4644-85f7-7c3591d845b0\">Je configure la s\u00e9quence comme la nuit derni\u00e8re, avec l&rsquo;offset qui va bien, et je trouve une nouvelle instruction \u00ab\u00a0Orbitals\u00a0\u00bb : \u00ab\u00a0Set Guider Shift Rate\u00a0\u00bb, qui est cens\u00e9e indiquer \u00e0 la monture la vitesse de suivi \u00e0 appliquer pour suivre la com\u00e8te.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"667\" src=\"https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/image-11-1024x667.png\" alt=\"\" class=\"wp-image-1677\" srcset=\"https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/image-11-1024x667.png 1024w, https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/image-11-300x195.png 300w, https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/image-11-768x500.png 768w, https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/image-11.png 1431w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Configuration de la s\u00e9quence N.I.N.A<\/figcaption><\/figure>\n<\/div>\n\n\n<p id=\"block-f79a3e6f-4c97-47f4-a160-05ba25f6cdc3\">Le soir, je fais quelques prises de vue sur une autre com\u00e8te, <em>C-2024 E1 (Wierzchos)<\/em>, sans savoir si elle sera visibles sur les photos.<\/p>\n\n\n\n<p id=\"block-cf1b378d-9761-4b4e-b5d1-1f57b7953307\">Je tente aussi quelques prises de vue sur <em>C\/2025 A6 (Lemmon)<\/em> qui est visible juste apr\u00e8s le coucher de soleil, mais bas sur l&rsquo;horizon \u00e0 travers les arbres \ud83d\ude0f. Le r\u00e9sultat est donc, forc\u00e9ment, peu convaincant !<\/p>\n\n\n\n<p id=\"block-cf1b378d-9761-4b4e-b5d1-1f57b7953307\"><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"771\" height=\"434\" src=\"https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/r_com_stacked_A6_Lemmon-web.jpg\" alt=\"\" class=\"wp-image-1725\" srcset=\"https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/r_com_stacked_A6_Lemmon-web.jpg 771w, https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/r_com_stacked_A6_Lemmon-web-300x169.jpg 300w, https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/r_com_stacked_A6_Lemmon-web-768x432.jpg 768w\" sizes=\"auto, (max-width: 771px) 100vw, 771px\" \/><figcaption class=\"wp-element-caption\">La com\u00e8te C\/2025 A6 (Lemmon) le soir, \u00e0 travers les arbres<br>22 images de 40 s, soit 15 min de pose<br>Canon EOS 700D<\/figcaption><\/figure>\n<\/div>\n\n\n<p id=\"block-cf1b378d-9761-4b4e-b5d1-1f57b7953307\"><\/p>\n\n\n\n<p id=\"block-0e68b3c2-0779-46f4-b16a-56131fff5ec0\"><\/p>\n\n\n\n<p id=\"block-5f47ba89-672f-4fb1-be71-2e56d64330e8\">Pour occuper toute la nuit (puisque la session de <em>C\/2025 A6 (Lemmon)<\/em> ne commence qu&rsquo;\u00e0 7h00), je programme des prises de vues sur les objets de Messier que je n&rsquo;ai pas encore photographi\u00e9, des amas ouvert d&rsquo;\u00e9toiles qui demande peu de temps de pose :<\/p>\n\n\n\n<ul id=\"block-d40784ce-8d97-42e8-9113-2d43a2ffc693\" class=\"wp-block-list\">\n<li>M34 : amas ouvert situ\u00e9 dans la constellation de Pers\u00e9e<\/li>\n\n\n\n<li>M36 : jeune amas ouvert situ\u00e9 dans la constellation du Cocher<\/li>\n\n\n\n<li>M38 : amas ouvert situ\u00e9 \u00e9galement dans la constellation du Cocher<\/li>\n\n\n\n<li>M103 : amas ouvert situ\u00e9 dans la constellation de Cassiop\u00e9e<\/li>\n<\/ul>\n\n\n\n<p id=\"block-46cd0893-40aa-4603-b5b8-561ed70c96c0\"><\/p>\n\n\n\n<p id=\"block-3706e961-4709-4dad-9bb3-9c6bd06cf3dd\">Le lendemain matin, pas de miracle, encore un \u00e9chec pour la com\u00e8te : en regardant \u00e0 7h10, les prises de vue automatiques n&rsquo;ont (encore) pas r\u00e9ussi \u00e0 d\u00e9marrer. \ud83d\ude14<\/p>\n\n\n\n<p id=\"block-a27882c4-3a62-43e1-812b-e6d6791018d3\">Je lance donc quelques prises de vue \u00ab\u00a0\u00e0 la main\u00a0\u00bb, mais la lumi\u00e8re du soleil devient rapidement trop pr\u00e9sente. J&rsquo;arrive \u00e0 sauver 6 photos, que je peux empiler.<\/p>\n\n\n\n<p id=\"block-058deded-6052-4760-b205-63216a32b04b\">Avec si peu de photos, le bruit est tr\u00e8s pr\u00e9sent. Le suivi du t\u00e9lescope a \u00e9t\u00e9 fait sur la com\u00e8te, les \u00e9toiles sont donc floues. Mes images flats sont mauvaises, \u00e7a fait des p\u00e2t\u00e9s dans le fond de ciel. Le r\u00e9sultat est donc, encore une fois, mauvais ! \ud83d\ude10<\/p>\n\n\n\n<p id=\"block-058deded-6052-4760-b205-63216a32b04b\"><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" src=\"https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/r_com_comet_pp_light_stacked_6_bge_ghs_tdn-web.jpg\" alt=\"\" class=\"wp-image-1737\"\/><figcaption class=\"wp-element-caption\">La com\u00e8te C\/2025 A6 (Lemmon) le matin<br>6 images de 40 s, soit 4 min de pose<br>Canon EOS 700D<\/figcaption><\/figure>\n<\/div>\n\n\n<p id=\"block-058deded-6052-4760-b205-63216a32b04b\"><\/p>\n\n\n\n<p id=\"block-52ac6c26-0b26-4665-8c72-ff69b3ff1d3e\">Je traite apr\u00e8s coup les images de la com\u00e8te <em>C-2024 E1 (Wierzchos)<\/em>. Sur la photo empil\u00e9e, rien ne ressemble \u00e0 une com\u00e8te. Mais est-ce parce que la vis\u00e9e est mauvaise, ou parce que la com\u00e8te est faible pour \u00eatre visible ?<\/p>\n\n\n\n<p id=\"block-52ac6c26-0b26-4665-8c72-ff69b3ff1d3e\"><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"944\" height=\"631\" src=\"https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/stacked_astrometry_bge_ghs_PS-web.jpg\" alt=\"\" class=\"wp-image-1771\" srcset=\"https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/stacked_astrometry_bge_ghs_PS-web.jpg 944w, https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/stacked_astrometry_bge_ghs_PS-web-300x201.jpg 300w, https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/stacked_astrometry_bge_ghs_PS-web-768x513.jpg 768w\" sizes=\"auto, (max-width: 944px) 100vw, 944px\" \/><figcaption class=\"wp-element-caption\">La com\u00e8te C-2024 E1 (Wierzchos) ?<br>49 images de 40 s, soit 30 min de pose<br>Canon EOS 700D<\/figcaption><\/figure>\n<\/div>\n\n\n<p id=\"block-52ac6c26-0b26-4665-8c72-ff69b3ff1d3e\"><\/p>\n\n\n\n<p id=\"block-3f8597a0-f62c-4fc9-a51b-db90202322b7\">Premi\u00e8re \u00e9tape : je cherche les coordonn\u00e9es de mon image avec le site <a href=\"https:\/\/nova.astrometry.net\/\">https:\/\/nova.astrometry.net\/<\/a> :<\/p>\n\n\n\n<p id=\"block-3f8597a0-f62c-4fc9-a51b-db90202322b7\"><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"633\" src=\"https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/C-2024_E1_Wierzchos-astrometry-1024x633.jpg\" alt=\"\" class=\"wp-image-1752\" srcset=\"https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/C-2024_E1_Wierzchos-astrometry-1024x633.jpg 1024w, https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/C-2024_E1_Wierzchos-astrometry-300x185.jpg 300w, https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/C-2024_E1_Wierzchos-astrometry-768x475.jpg 768w, https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/C-2024_E1_Wierzchos-astrometry.jpg 1192w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Annotation avec <a href=\"https:\/\/nova.astrometry.net\/\">nova.astrometry.net<\/a> de ma photo de la com\u00e8te C-2024 E1 (Wierzchos) <\/figcaption><\/figure>\n<\/div>\n\n\n<p id=\"block-3f8597a0-f62c-4fc9-a51b-db90202322b7\"><\/p>\n\n\n\n<p id=\"block-26cccaf7-332c-474f-9b57-f001f5125f58\">Cela permet de trouver quelques \u00e9toiles pr\u00e9sentes sur mon image, par exemple <em>HD 148494<\/em>.<\/p>\n\n\n\n<p id=\"block-067ce8bc-373f-4b7c-be14-55e198d289da\">De retour dans SIRIL, je peux alors faire la r\u00e9solution astrom\u00e9trique de l&rsquo;image, en entrant l&rsquo;objet <em>HD 148494<\/em> :<\/p>\n\n\n\n<p id=\"block-067ce8bc-373f-4b7c-be14-55e198d289da\"><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"946\" src=\"https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/C-2024_E1_Wierzchos-SIRIL-astrometry-1024x946.jpg\" alt=\"\" class=\"wp-image-1753\" srcset=\"https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/C-2024_E1_Wierzchos-SIRIL-astrometry-1024x946.jpg 1024w, https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/C-2024_E1_Wierzchos-SIRIL-astrometry-300x277.jpg 300w, https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/C-2024_E1_Wierzchos-SIRIL-astrometry-768x709.jpg 768w, https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/C-2024_E1_Wierzchos-SIRIL-astrometry.jpg 1047w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">R\u00e9solution astrom\u00e9trique dans SIRIL<\/figcaption><\/figure>\n<\/div>\n\n\n<p id=\"block-067ce8bc-373f-4b7c-be14-55e198d289da\"><\/p>\n\n\n\n<p id=\"block-4cbd48a3-b795-43ee-bc93-4da68ed869b3\">SIRIL permet d&rsquo;annoter les objets pr\u00e9sents dans l&rsquo;image, avec l&rsquo;outil \u00ab\u00a0Astrom\u00e9trie\u00a0\u00bb -&gt; \u00ab\u00a0Annoter\u00a0\u00bb. En utilisant le catalogue <em>SIMBAD<\/em>, on voit des \u00e9toiles annot\u00e9es sur l&rsquo;image. En utilisant le catalogue <em>solsys<\/em> je devrais voir les objets du syst\u00e8me solaire (dont les com\u00e8tes) annot\u00e9s sur mon image. Malheureusement, j&rsquo;ai l&rsquo;erreur suivante dans le console SIRIL, et aucun objet du syst\u00e8me solaire trouv\u00e9 sur mon image \ud83d\ude14<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">N'a pas sp\u00e9cifi\u00e9 de code d'observatoire, utilise le g\u00e9ocentrique par d\u00e9faut, les positions peuvent ne pas \u00eatre exactes.\nAucun \u00e9l\u00e9ment n'a \u00e9t\u00e9 trouv\u00e9 dans l'image<\/mark>\n<\/code><\/pre>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"522\" src=\"https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/C-2024_E1_Wierzchos-SIRIL-1024x522.jpg\" alt=\"\" class=\"wp-image-1756\" srcset=\"https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/C-2024_E1_Wierzchos-SIRIL-1024x522.jpg 1024w, https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/C-2024_E1_Wierzchos-SIRIL-300x153.jpg 300w, https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/C-2024_E1_Wierzchos-SIRIL-768x391.jpg 768w, https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/C-2024_E1_Wierzchos-SIRIL-1536x782.jpg 1536w, https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/C-2024_E1_Wierzchos-SIRIL.jpg 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Etoiles annot\u00e9es dans SIRIL, mais aucun objet du syst\u00e8me solaire&#8230;<\/figcaption><\/figure>\n<\/div>\n\n\n<p id=\"block-69ebf858-0027-4126-ac34-2c29cfd90688\">Le \u00ab\u00a0code observatoire\u00a0\u00bb, \u00e0 renseigner dans la fen\u00eatre d&rsquo;annotation, est le code d&rsquo;une localisation, la plus proche du lieu d&rsquo;observation, \u00e0 chercher dans la liste disponible \u00e0 l&rsquo;adresse <a href=\"https:\/\/www.minorplanetcenter.net\/iau\/lists\/ObsCodesF.html\">https:\/\/www.minorplanetcenter.net\/iau\/lists\/ObsCodesF.html<\/a><\/p>\n\n\n\n<p id=\"block-490f5858-49ff-47c3-b33c-a2a37782314d\">Dans mon cas, Toulouse, donc le code <strong>004<\/strong>. Et l\u00e0, miracle, l&rsquo;annotation de la com\u00e8te, C\/2024 E1, apparait bien sur ma photo ! \ud83d\ude01<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"426\" src=\"https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/C-2024_E1_Wierzchos-SIRIL-comete-annotee-1024x426.jpg\" alt=\"\" class=\"wp-image-1762\" srcset=\"https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/C-2024_E1_Wierzchos-SIRIL-comete-annotee-1024x426.jpg 1024w, https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/C-2024_E1_Wierzchos-SIRIL-comete-annotee-300x125.jpg 300w, https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/C-2024_E1_Wierzchos-SIRIL-comete-annotee-768x320.jpg 768w, https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/C-2024_E1_Wierzchos-SIRIL-comete-annotee-1536x640.jpg 1536w, https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/C-2024_E1_Wierzchos-SIRIL-comete-annotee.jpg 1895w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<p id=\"block-13596f01-e10f-49a3-a5fd-a69539216c17\">On ne peut pas dire qu&rsquo;on voit quelque chose, mais, au moins, cette photo est bien centr\u00e9e ! \ud83d\ude0b<\/p>\n\n\n\n<p id=\"block-72b4d217-f9b8-40cc-826b-d0be97309cb3\"><\/p>\n\n\n\n<p id=\"block-59af08b0-22df-41a9-bb2a-593b88c2a599\">Deuxi\u00e8me m\u00e9thode pour faire apparaitre l&rsquo;annotation de la com\u00e8te dans la photo : renseigner la latitute et longitude du lieu d&rsquo;observation de la photo dans les ent\u00eate FITS, avec les code <strong>SITELAT <\/strong>et <strong>SITELONG<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"806\" height=\"529\" src=\"https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/image-13.png\" alt=\"\" class=\"wp-image-1761\" style=\"aspect-ratio:1.5236449564318417;width:556px;height:auto\" srcset=\"https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/image-13.png 806w, https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/image-13-300x197.png 300w, https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/image-13-768x504.png 768w\" sizes=\"auto, (max-width: 806px) 100vw, 806px\" \/><\/figure>\n<\/div>\n\n\n<p id=\"block-ef8f1c82-677c-490f-ba3c-667fd39aeceb\">Puis, dans la fen\u00eatre d&rsquo;annotation, aller dans \u00ab\u00a0Chercher Objet\u00a0\u00bb, et saisir le nom de la com\u00e8te <strong>c:c\/2024 E1<\/strong><\/p>\n\n\n\n<p id=\"block-21bb5c20-6f18-46e7-9a2d-d7c9841a3bde\">Les deux m\u00e9thodes font, heureusement, apparaitre la com\u00e8te au m\u00eame endroit sur la photo.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"847\" src=\"https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/image-14-1024x847.png\" alt=\"\" class=\"wp-image-1765\" style=\"aspect-ratio:1.2089639507949717;width:704px;height:auto\" srcset=\"https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/image-14-1024x847.png 1024w, https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/image-14-300x248.png 300w, https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/image-14-768x635.png 768w, https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/image-14.png 1074w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<p id=\"block-77adc8ea-446a-43b7-8cb7-197908bec3ad\"><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>Pas beaucoup de succ\u00e8s pour les com\u00e8tes cette nuit, mais au moins j&rsquo;ai quatres beaux amas ouvert d&rsquo;\u00e9toiles \ud83d\ude0b<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"986\" height=\"644\" src=\"https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/M34_stacked_GX_PDN_HMS_PS-web.jpg\" alt=\"\" class=\"wp-image-1786\" srcset=\"https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/M34_stacked_GX_PDN_HMS_PS-web.jpg 986w, https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/M34_stacked_GX_PDN_HMS_PS-web-300x196.jpg 300w, https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/M34_stacked_GX_PDN_HMS_PS-web-768x502.jpg 768w\" sizes=\"auto, (max-width: 986px) 100vw, 986px\" \/><figcaption class=\"wp-element-caption\">Amas ouvert d&rsquo;\u00e9toiles M34<br>63 images de 2 min, soit 2.1h de pose<br>Canon EOS 700D 800ISO<\/figcaption><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"997\" height=\"665\" src=\"https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/M36_stacked_GX_PDN_HMS_PS-web.jpg\" alt=\"\" class=\"wp-image-1788\" srcset=\"https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/M36_stacked_GX_PDN_HMS_PS-web.jpg 997w, https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/M36_stacked_GX_PDN_HMS_PS-web-300x200.jpg 300w, https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/M36_stacked_GX_PDN_HMS_PS-web-768x512.jpg 768w\" sizes=\"auto, (max-width: 997px) 100vw, 997px\" \/><figcaption class=\"wp-element-caption\">Amas ouvert d&rsquo;\u00e9toiles M36<br>55 images de 2 min, soit 1.8h de pose<br>Canon EOS 700D 800ISO<\/figcaption><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"998\" height=\"667\" src=\"https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/M38_stacked_GX_PDN_CC_VLHMS_PS-web.jpg\" alt=\"\" class=\"wp-image-1794\" srcset=\"https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/M38_stacked_GX_PDN_CC_VLHMS_PS-web.jpg 998w, https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/M38_stacked_GX_PDN_CC_VLHMS_PS-web-300x201.jpg 300w, https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/M38_stacked_GX_PDN_CC_VLHMS_PS-web-768x513.jpg 768w\" sizes=\"auto, (max-width: 998px) 100vw, 998px\" \/><figcaption class=\"wp-element-caption\">Amas ouvert d&rsquo;\u00e9toiles M38 (et NGC1907 \u00e0 sa gauche)<br>76 images de 2 min, soit 2.5h de pose<br>Canon EOS 700D 800ISO<\/figcaption><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1011\" height=\"656\" src=\"https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/M103_stacked_GX_PDN_VLHMS_PS-web.jpg\" alt=\"\" class=\"wp-image-1797\" srcset=\"https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/M103_stacked_GX_PDN_VLHMS_PS-web.jpg 1011w, https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/M103_stacked_GX_PDN_VLHMS_PS-web-300x195.jpg 300w, https:\/\/voyage-astrophoto.fr\/wp-content\/uploads\/2025\/10\/M103_stacked_GX_PDN_VLHMS_PS-web-768x498.jpg 768w\" sizes=\"auto, (max-width: 1011px) 100vw, 1011px\" \/><figcaption class=\"wp-element-caption\">Amas ouvert d&rsquo;\u00e9toiles M103<br>49 images de 2 min, soit 1.6h de pose<br>Canon EOS 700D 800ISO<\/figcaption><\/figure>\n<\/div>\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sixi\u00e8me tentative (16\/10\/2025) Le lendemain, je retente le coup, mais sans conviction puisque le soleil commence \u00e0 se lever au moment o\u00f9 la com\u00e8te devient visible depuis mon jardin. Mais c\u2019est la derni\u00e8re chance : le lendemain, la com\u00e8te sera visible au-dessus de mon horizon encore plus tard. Je ne peux commencer les prises de [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1737,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[35,8],"tags":[12,67,64,65,66],"class_list":["post-1779","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-loose","category-session-dobservation","tag-comete","tag-m103","tag-m34","tag-m36","tag-m38"],"_links":{"self":[{"href":"https:\/\/voyage-astrophoto.fr\/index.php\/wp-json\/wp\/v2\/posts\/1779","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/voyage-astrophoto.fr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/voyage-astrophoto.fr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/voyage-astrophoto.fr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/voyage-astrophoto.fr\/index.php\/wp-json\/wp\/v2\/comments?post=1779"}],"version-history":[{"count":15,"href":"https:\/\/voyage-astrophoto.fr\/index.php\/wp-json\/wp\/v2\/posts\/1779\/revisions"}],"predecessor-version":[{"id":1799,"href":"https:\/\/voyage-astrophoto.fr\/index.php\/wp-json\/wp\/v2\/posts\/1779\/revisions\/1799"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/voyage-astrophoto.fr\/index.php\/wp-json\/wp\/v2\/media\/1737"}],"wp:attachment":[{"href":"https:\/\/voyage-astrophoto.fr\/index.php\/wp-json\/wp\/v2\/media?parent=1779"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/voyage-astrophoto.fr\/index.php\/wp-json\/wp\/v2\/categories?post=1779"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/voyage-astrophoto.fr\/index.php\/wp-json\/wp\/v2\/tags?post=1779"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}