 {"id":1310,"date":"2017-05-23T17:50:04","date_gmt":"2017-05-23T15:50:04","guid":{"rendered":"http:\/\/gap47.astrosurf.com\/?page_id=1310"},"modified":"2017-09-21T11:23:49","modified_gmt":"2017-09-21T09:23:49","slug":"constellations-disparues","status":"publish","type":"page","link":"https:\/\/gap47.astrosurf.com\/index.php\/ressources\/textes-historiques\/constellations-disparues\/","title":{"rendered":"Constellations disparues"},"content":{"rendered":"<p style=\"text-align: left;\"><span style=\"font-size: 24px;\"><strong><span style=\"font-family: arial,helvetica,sans-serif;\">Les Constellations<\/span><\/strong><\/span><\/p>\n<p class=\"Style14 Style20\" style=\"text-align: left;\" align=\"justify\"><span style=\"font-family: times new roman,times,serif; font-size: 20px;\">Une constellation est un ensemble d&rsquo;\u00e9toiles dont les projections sur la vo\u00fbte c\u00e9leste sont suffisamment proches pour qu&rsquo;une civilisation donn\u00e9e ait d\u00e9cid\u00e9 de les relier par des lignes imaginaires, tra\u00e7ant ainsi une figure sur la vo\u00fbte c\u00e9leste. On appelle cela un \u00ab <strong>ast\u00e9risme <\/strong>\u00bb.<\/span><\/p>\n<p class=\"Style14 Style20\" style=\"text-align: left;\" align=\"justify\"><span style=\"font-family: times new roman,times,serif; font-size: 20px;\">Dans l&rsquo;espace tridimensionnel, les \u00e9toiles d&rsquo;une constellation sont ordinairement tr\u00e8s dispers\u00e9es, mais elles paraissent \u00eatre regroup\u00e9es sur la plaine imaginaire du ciel nocturne. Diff\u00e9rentes cultures ont reconnu des constellations diff\u00e9rentes, bien que quelques-unes des plus visibles aient tendance \u00e0 r\u00e9appara\u00eetre fr\u00e9quemment, comme par exemple Orion et le Scorpion, \u00e0 cause de leur brillance, de la proximit\u00e9 de la projection des \u00e9toiles, du passage des plan\u00e8tes.<\/span><\/p>\n<p class=\"Style14 Style20\" style=\"text-align: left;\" align=\"justify\"><span style=\"font-family: times new roman,times,serif; font-size: 20px;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1571\" src=\"http:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/orion.jpg\" alt=\"\" width=\"420\" height=\"525\" srcset=\"https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/orion.jpg 380w, https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/orion-240x300.jpg 240w\" sizes=\"auto, (max-width: 420px) 100vw, 420px\" \/><\/span><\/p>\n<p class=\"Style14 Style20\" style=\"text-align: left;\" align=\"justify\"><span style=\"font-family: times new roman,times,serif; font-size: 20px;\">Les constellations sont regroup\u00e9es en deux parties, divisant le ciel en suivant plus ou moins les deux h\u00e9misph\u00e8res terrestres, le ciel austral pour le sud et le ciel bor\u00e9al pour le nord. Les constellations bor\u00e9ales sont les plus anciennes et correspondent \u00e0 la partie de ciel visible depuis les r\u00e9gions de la M\u00e9diterran\u00e9e par les astronomes de l&rsquo;Antiquit\u00e9. Elles servaient aussi, autrefois, de rep\u00e8res pour les marins partis en mer.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1549\" src=\"http:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/cartenord-300x255.jpg\" alt=\"\" width=\"420\" height=\"357\" srcset=\"https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/cartenord-300x255.jpg 300w, https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/cartenord.jpg 380w\" sizes=\"auto, (max-width: 420px) 100vw, 420px\" \/><\/p>\n<p class=\"Style20\" style=\"text-align: left;\" align=\"justify\"><span style=\"font-family: times new roman,times,serif; font-size: 20px;\">En 1930, l&rsquo;Union astronomique internationale (UAI) a divis\u00e9 le ciel en 88 constellations officielles avec des fronti\u00e8res pr\u00e9cises, pour que tout point du ciel appartienne \u00e0 une constellation. 44 constellations dans le ciel de l&rsquo;h\u00e9misph\u00e8re Nord et autant dans l&rsquo;h\u00e9misph\u00e8re Sud. Celles du Nord sont substantiellement bas\u00e9es sur la tradition hell\u00e9nique et pr\u00e9-hell\u00e9nique, notamment en rapport avec les mythologies, puis transmises \u00e0 travers l&rsquo;\u00e8re m\u00e9di\u00e9vale.<\/span><\/p>\n<p style=\"text-align: left;\" align=\"justify\"><span style=\"font-family: times new roman,times,serif; font-size: 20px;\">Mais, certaines constellations, imagin\u00e9es et nomm\u00e9es par certains astronomes (essentiellement entre le XVII\u00b0 et le XIX\u00b0 si\u00e8cle) ont finalement \u00e9t\u00e9 supprim\u00e9es ou assimil\u00e9es selon d&rsquo;autres ast\u00e9rismes et ne font plus partie de la liste officielle de l&rsquo;UAI. Ce sont des constellations disparues (mais les \u00e9toiles qui les formaient sont toujours l\u00e0 !).<\/span><\/p>\n<p class=\"Style20\" style=\"text-align: left;\" align=\"justify\">&nbsp;<\/p>\n<p class=\"Style20\" style=\"text-align: left;\" align=\"justify\"><span style=\"font-size: 24px;\"><strong><span style=\"font-family: arial,helvetica,sans-serif;\">Les constellations disparues<\/span><\/strong><\/span><span style=\"font-family: times new roman,times,serif; font-size: 20px;\"><br \/>\n<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-family: arial,helvetica,sans-serif; font-size: 20px;\"><strong>L&rsquo;A\u00e9rostat&nbsp;<\/strong><\/span><br \/>\n<span style=\"font-family: times new roman,times,serif; font-size: 20px;\"> (Globus Aerostaticus)<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\">Dessin\u00e9 par l&rsquo;astronome J\u00e9r\u00f4me Joseph le Fran\u00e7ois de Lalande en 1798, cet a\u00e9rostat a vol\u00e9 entre le Capricorne, le Microscope et le Poisson Austral.<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-family: times new roman,times,serif; font-size: 20px;\">&nbsp;<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1558 size-full\" src=\"http:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Globus_aerostaticus.jpg\" alt=\"\" width=\"380\" height=\"253\" srcset=\"https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Globus_aerostaticus.jpg 380w, https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Globus_aerostaticus-300x200.jpg 300w\" sizes=\"auto, (max-width: 380px) 100vw, 380px\" \/><\/span><\/p>\n<p style=\"text-align: left;\">&nbsp;<\/p>\n<hr>\n<p style=\"text-align: left;\" align=\"center\"><span style=\"font-family: times new roman,times,serif; font-size: 20px;\"><span class=\"Style17\"><span style=\"font-family: arial,helvetica,sans-serif;\"><strong>L&rsquo;Atelier de Typographie<\/strong><\/span><br \/>\n(Officina<\/span><span class=\"Style17\">Typographica)<\/span><\/span><\/p>\n<p style=\"text-align: left;\" align=\"center\"><span style=\"font-family: times new roman,times,serif; font-size: 20px;\"><span class=\"Style17\">Plac\u00e9 entre la Licorne et le Grand Chien par Johann Bode.<\/span><\/span><\/p>\n<p style=\"text-align: left;\" align=\"center\"><span style=\"font-family: times new roman,times,serif; font-size: 20px;\">&nbsp;<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1577 size-full\" src=\"http:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/typograhie.jpg\" alt=\"\" width=\"380\" height=\"177\" srcset=\"https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/typograhie.jpg 380w, https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/typograhie-300x140.jpg 300w\" sizes=\"auto, (max-width: 380px) 100vw, 380px\" \/><\/span><\/p>\n<p style=\"text-align: left;\" align=\"center\">&nbsp;<\/p>\n<hr>\n<p><span style=\"font-family: arial,helvetica,sans-serif; font-size: 20px;\"><strong>Antino\u00fcs<\/strong><\/span><br \/>\n<span style=\"font-family: times new roman,times,serif; font-size: 20px;\"> (Antinous)<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\">Cette constellation, que l&rsquo;on trouve dans l&rsquo;Almageste de Ptol\u00e9m\u00e9e, \u00e9tait \u00e9troitement associ\u00e9e \u00e0 celle de l&rsquo;Aigle, dont elle empruntait les \u00e9toiles australes.<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1547 size-full\" src=\"http:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Antinous.jpg\" alt=\"\" width=\"380\" height=\"284\" srcset=\"https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Antinous.jpg 380w, https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Antinous-300x224.jpg 300w\" sizes=\"auto, (max-width: 380px) 100vw, 380px\" \/><\/span><\/p>\n<p>&nbsp;<\/p>\n<hr>\n<p><span style=\"font-family: arial,helvetica,sans-serif; font-size: 20px;\"><strong>Cerb\u00e8re ou Le Rameau et Cerb\u00e8re<\/strong><\/span><br \/>\n<span style=\"font-family: times new roman,times,serif; font-size: 20px;\"> (Cerberus ou Cerberus Ramus )<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\">Nomm\u00e9 ainsi par H\u00e9v\u00e9lius. Associ\u00e9 \u00e0 la constellation d&rsquo;Hercule. Repr\u00e9sent\u00e9 sur les atlas soit par trois serpents enroul\u00e9s autour d&rsquo;un rameau soit par un serpent \u00e0 trois t\u00eates, mais toujours dans le poing d&rsquo;Hercule.<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1550 size-full\" src=\"http:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Cerbe\u0300re.jpg\" alt=\"\" width=\"380\" height=\"216\" srcset=\"https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Cerbe\u0300re.jpg 380w, https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Cerbe\u0300re-300x171.jpg 300w\" sizes=\"auto, (max-width: 380px) 100vw, 380px\" \/><\/span><\/p>\n<p>&nbsp;<\/p>\n<hr>\n<p><span style=\"font-family: arial,helvetica,sans-serif; font-size: 20px;\"><strong>Le Cadran Solaire<\/strong><\/span><br \/>\n<span style=\"font-family: times new roman,times,serif; font-size: 20px;\"> (Solarium)<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\">Appara\u00eet seulement dans l&rsquo;atlas de l&rsquo;astronome am\u00e9ricain Elijah Burritt, au d\u00e9but du XIX<sup>\u00e8me<\/sup> si\u00e8cle, coinc\u00e9 entre les constellations australes de l&rsquo;Horloge de l&rsquo;Hydre et de la Dorade qui lui ont grandement fait de l&rsquo;ombre.<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1548 size-full\" src=\"http:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Cadran-solaire.jpg\" alt=\"\" width=\"380\" height=\"315\" srcset=\"https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Cadran-solaire.jpg 380w, https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Cadran-solaire-300x249.jpg 300w\" sizes=\"auto, (max-width: 380px) 100vw, 380px\" \/><\/span><\/p>\n<p>&nbsp;<\/p>\n<hr>\n<p><span style=\"font-family: arial,helvetica,sans-serif; font-size: 20px;\"><strong>Le Chat<\/strong><\/span><br \/>\n<span style=\"font-family: times new roman,times,serif; font-size: 20px;\"> (F\u00e9lis)<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\">Lalande avait trouv\u00e9, en 1798, un petit coin de ciel \u00e0 son animal de compagnie favori, entre les \u00e9toiles de la Machine Pneumatique et celles de l&rsquo;Hydre.<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1552 size-full\" src=\"http:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Chat.jpg\" alt=\"\" width=\"380\" height=\"260\" srcset=\"https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Chat.jpg 380w, https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Chat-300x205.jpg 300w\" sizes=\"auto, (max-width: 380px) 100vw, 380px\" \/><\/span><\/p>\n<p>&nbsp;<\/p>\n<hr>\n<p><span style=\"font-family: arial,helvetica,sans-serif; font-size: 20px;\"><strong>Le Cercle Mural<\/strong><\/span><br \/>\n<span style=\"font-family: times new roman,times,serif; font-size: 20px;\"> (Quadrans Muralis)<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\">Accroch\u00e9 au ciel Bor\u00e9al par Lalande, \u00e0 la fin du XVIII<sup>\u00e8me<\/sup> si\u00e8cle, entre le Bouvier et le Dragon. L&rsquo;essaim d&rsquo;\u00e9toiles filantes des Quadrantides (visible d\u00e9but janvier) tire son nom du nom latin de cette ancienne constellation.<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1551 size-full\" src=\"http:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Cercle-mural.jpg\" alt=\"\" width=\"380\" height=\"255\" srcset=\"https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Cercle-mural.jpg 380w, https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Cercle-mural-300x201.jpg 300w\" sizes=\"auto, (max-width: 380px) 100vw, 380px\" \/><\/span><\/p>\n<p>&nbsp;<\/p>\n<hr>\n<p><span style=\"font-family: arial,helvetica,sans-serif; font-size: 20px;\"><strong>Le Coq<\/strong><\/span><br \/>\n<span style=\"font-family: times new roman,times,serif; font-size: 20px;\"> (Gallus)<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\">Un gallinac\u00e9 envoy\u00e9 dans le firmament par l&rsquo;astronome Jakob Bartsch, en 1624.<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1555 size-full\" src=\"http:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Coq.jpg\" alt=\"\" width=\"380\" height=\"410\" srcset=\"https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Coq.jpg 380w, https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Coq-278x300.jpg 278w\" sizes=\"auto, (max-width: 380px) 100vw, 380px\" \/><\/span><\/p>\n<p>&nbsp;<\/p>\n<hr>\n<p><span style=\"font-family: arial,helvetica,sans-serif; font-size: 20px;\"><strong>Le Ch\u00eane de Charles II<\/strong><\/span><br \/>\n<span style=\"font-family: times new roman,times,serif; font-size: 20px;\"> (Robur Caroli)<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\">Le c\u00e9l\u00e8bre Edmund Halley, en souvenir de l&rsquo;arbre sur lequel se cacha le roi d&rsquo;Angleterre apr\u00e8s sa d\u00e9faite de Worcester en 1651, planta ce ch\u00eane entre le Navire Argo et le Centaure.<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1553 size-full\" src=\"http:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Che\u0302ne.jpg\" alt=\"\" width=\"380\" height=\"591\" srcset=\"https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Che\u0302ne.jpg 380w, https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Che\u0302ne-193x300.jpg 193w\" sizes=\"auto, (max-width: 380px) 100vw, 380px\" \/><\/span><\/p>\n<p>&nbsp;<\/p>\n<hr>\n<p><span style=\"font-family: arial,helvetica,sans-serif; font-size: 20px;\"><strong>Corona Firmiana&nbsp;<\/strong><\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\">Cette constellation ne figure que dans l&rsquo;atlas du moine b\u00e9n\u00e9dictin Thomas Corbinianus. Il l&rsquo;avait cr\u00e9\u00e9e en l&rsquo;honneur de l&rsquo;archev\u00eaque de Salzbourg.<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1556 size-full\" src=\"http:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Corona.jpg\" alt=\"\" width=\"380\" height=\"352\" srcset=\"https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Corona.jpg 380w, https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Corona-300x278.jpg 300w\" sizes=\"auto, (max-width: 380px) 100vw, 380px\" \/><\/span><\/p>\n<p>&nbsp;<\/p>\n<hr>\n<p><span style=\"font-family: arial,helvetica,sans-serif; font-size: 20px;\"><strong>La Harpe de Georges<\/strong><\/span><br \/>\n<span style=\"font-family: times new roman,times,serif; font-size: 20px;\"> (Harpa Georgii)<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\">En 1789, le P\u00e8re Hell, astronome autrichien, imagina cette constellation, entre le Taureau et l&rsquo;Eridan, en l&rsquo;honneur du roi d&rsquo;Angleterre Georges III.<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1560 size-full\" src=\"http:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Harpe.jpg\" alt=\"\" width=\"380\" height=\"309\" srcset=\"https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Harpe.jpg 380w, https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Harpe-300x244.jpg 300w\" sizes=\"auto, (max-width: 380px) 100vw, 380px\" \/><\/span><\/p>\n<p>&nbsp;<\/p>\n<hr>\n<p><span style=\"font-family: arial,helvetica,sans-serif; font-size: 20px;\"><strong>Le Hibou ou La chouette<\/strong><\/span><br \/>\n<span style=\"font-family: times new roman,times,serif; font-size: 20px;\"> (Noctua)<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\">La Chouette \u00e9tait une constellation situ\u00e9e entre les constellations de l&rsquo;Hydre et de la Balance. Elle rempla\u00e7a la constellation plus ancienne de la Grive solitaire. Son origine est inconnue.<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1561 size-full\" src=\"http:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Hibou.jpg\" alt=\"\" width=\"380\" height=\"254\" srcset=\"https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Hibou.jpg 380w, https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Hibou-300x201.jpg 300w\" sizes=\"auto, (max-width: 380px) 100vw, 380px\" \/><\/span><\/p>\n<p>&nbsp;<\/p>\n<hr>\n<p><span style=\"font-family: arial,helvetica,sans-serif; font-size: 20px;\"><strong>Les Honneurs de Fr\u00e9d\u00e9ric<\/strong><\/span><br \/>\n<span style=\"font-family: times new roman,times,serif; font-size: 20px;\"> (Honores Frederici)<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\">Cette fois c&rsquo;est le roi de Prusse Fr\u00e9d\u00e9ric II qui, en 1798, a eu droit \u00e0 son hommage c\u00e9leste, de la part de Johann Bode, entre Androm\u00e8de et le L\u00e9zard.<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1557 size-full\" src=\"http:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Fre\u0301de\u0301ric.jpg\" alt=\"\" width=\"380\" height=\"281\" srcset=\"https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Fre\u0301de\u0301ric.jpg 380w, https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Fre\u0301de\u0301ric-300x222.jpg 300w\" sizes=\"auto, (max-width: 380px) 100vw, 380px\" \/><\/span><\/p>\n<p>&nbsp;<\/p>\n<hr>\n<p><span style=\"font-family: arial,helvetica,sans-serif; font-size: 20px;\"><strong>Le Jourdain<\/strong><\/span><br \/>\n<span style=\"font-family: times new roman,times,serif; font-size: 20px;\"> (Jordanus)<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\">Le fleuve Jourdain a bri\u00e8vement coul\u00e9 dans le ciel, gr\u00e2ce \u00e0 Bartsch au XVII<sup>\u00e8me<\/sup> si\u00e8cle, juste sous les pattes de la Grande Ourse.<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1562 size-full\" src=\"http:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Jourdain.jpg\" alt=\"\" width=\"380\" height=\"300\" srcset=\"https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Jourdain.jpg 380w, https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Jourdain-300x237.jpg 300w\" sizes=\"auto, (max-width: 380px) 100vw, 380px\" \/><\/span><\/p>\n<p>&nbsp;<\/p>\n<hr>\n<p><span style=\"font-family: arial,helvetica,sans-serif; font-size: 20px;\"><strong>Le Lion Palatin<\/strong><\/span><br \/>\n<span style=\"font-family: times new roman,times,serif; font-size: 20px;\"> ( L\u00e9o Palatinus)<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\">Une des nombreuses constellations \u00e9ph\u00e9m\u00e8res que certains astronomes de la fin du XVIII<sup>\u00e8me<\/sup> si\u00e8cle aimaient placer dans le ciel, suivant leur inspiration; une vraie mode ! Celle-ci est une invention d&rsquo;un certain Koenig, en 1785, entre le Verseau et l&rsquo;Aigle.<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1563 size-full\" src=\"http:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Lion-palatin.jpg\" alt=\"\" width=\"380\" height=\"313\" srcset=\"https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Lion-palatin.jpg 380w, https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Lion-palatin-300x247.jpg 300w\" sizes=\"auto, (max-width: 380px) 100vw, 380px\" \/><\/span><\/p>\n<p>&nbsp;<\/p>\n<hr>\n<p><span style=\"font-family: arial,helvetica,sans-serif; font-size: 20px;\"><strong>Le Loch<\/strong><\/span><br \/>\n<span style=\"font-family: times new roman,times,serif; font-size: 20px;\"> (Lochium Furnis)<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\">Cet instrument de navigation fut plac\u00e9 entre la Machine Pneumatique et la Boussole par Johan Bode.<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1564 size-full\" src=\"http:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Loch.jpg\" alt=\"\" width=\"380\" height=\"289\" srcset=\"https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Loch.jpg 380w, https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Loch-300x228.jpg 300w\" sizes=\"auto, (max-width: 380px) 100vw, 380px\" \/><\/span><\/p>\n<p>&nbsp;<\/p>\n<hr>\n<p><span style=\"font-family: arial,helvetica,sans-serif; font-size: 20px;\"><strong>La Machine \u00c9lectrique<\/strong><\/span><br \/>\n<span style=\"font-family: times new roman,times,serif; font-size: 20px;\"> (Machina Electrica)<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\">Cet engin moderne fut plac\u00e9 en 1790 par Johann Bode, sous la Baleine, entre le Fourneau et le Sculpteur.<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1565 size-full\" src=\"http:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Machine-e\u0301lectrique.jpg\" alt=\"\" width=\"380\" height=\"271\" srcset=\"https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Machine-e\u0301lectrique.jpg 380w, https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Machine-e\u0301lectrique-300x214.jpg 300w\" sizes=\"auto, (max-width: 380px) 100vw, 380px\" \/><\/span><\/p>\n<p>&nbsp;<\/p>\n<hr>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\"><span class=\"Style18\" style=\"font-family: arial,helvetica,sans-serif;\"><strong>Le Messier<\/strong> <\/span><span class=\"Style17\"><br \/>\n(Custos Messium)<\/span><\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\">Il s&rsquo;agit d&rsquo;un hommage au c\u00e9l\u00e8bre astronome Charles Messier, rendu par Lalande en 1774. C&rsquo;est aussi un jeu de mot, un messier \u00e9tant un pr\u00e9pos\u00e9 \u00e0 la garde des moissons. Situ\u00e9 entre C\u00e9ph\u00e9e et Cassiop\u00e9e.<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1566 size-full\" src=\"http:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Messier.jpg\" alt=\"\" width=\"380\" height=\"420\" srcset=\"https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Messier.jpg 380w, https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Messier-271x300.jpg 271w\" sizes=\"auto, (max-width: 380px) 100vw, 380px\" \/><\/span><\/p>\n<p>&nbsp;<\/p>\n<hr>\n<p><span style=\"font-family: arial,helvetica,sans-serif; font-size: 20px;\"><strong>Le Mont Mainale<\/strong><\/span><br \/>\n<span style=\"font-family: times new roman,times,serif; font-size: 20px;\"> (Mons Menalus)<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\">Cette montagne mise dans le ciel par H\u00e9v\u00e9lius \u00e9tait situ\u00e9e juste sous le pied du Bouvier.<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1567 size-full\" src=\"http:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Mont-Mainale.jpg\" alt=\"\" width=\"380\" height=\"391\" srcset=\"https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Mont-Mainale.jpg 380w, https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Mont-Mainale-292x300.jpg 292w\" sizes=\"auto, (max-width: 380px) 100vw, 380px\" \/><\/span><\/p>\n<p>&nbsp;<\/p>\n<hr>\n<p><span style=\"font-family: arial,helvetica,sans-serif; font-size: 20px;\"><strong>La Mouche<\/strong><\/span><br \/>\n<span style=\"font-family: times new roman,times,serif; font-size: 20px;\"> (Musca)<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\">A ne pas confondre avec la Mouche qui est toujours coll\u00e9e au ciel austral. Celle-ci a vol\u00e9 entre le B\u00e9lier et le Triangle gr\u00e2ce aux bons soins de Bartsch.<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1568 size-full\" src=\"http:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Mouche.jpg\" alt=\"\" width=\"380\" height=\"306\" srcset=\"https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Mouche.jpg 380w, https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Mouche-300x242.jpg 300w\" sizes=\"auto, (max-width: 380px) 100vw, 380px\" \/><\/span><\/p>\n<p>&nbsp;<\/p>\n<hr>\n<p><span style=\"font-family: arial,helvetica,sans-serif; font-size: 20px;\"><strong>Le Navire Argo<\/strong><\/span><br \/>\n<span style=\"font-family: times new roman,times,serif; font-size: 20px;\"> (Argo Navis)<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\">Le Navire Argo n&rsquo;a pas vraiment disparu du ciel, il a \u00e9t\u00e9 scind\u00e9 en quatre parties, formant chacune une constellation distincte: La Car\u00e8ne, les Voiles, la Poupe et le M\u00e2t. La constellation du M\u00e2t, la plus petite, a fini par \u00eatre absorb\u00e9e par la constellation voisine de la Boussole.<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1569 size-full\" src=\"http:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Navire-Argo.jpg\" alt=\"\" width=\"380\" height=\"278\" srcset=\"https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Navire-Argo.jpg 380w, https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Navire-Argo-300x219.jpg 300w\" sizes=\"auto, (max-width: 380px) 100vw, 380px\" \/><\/span><\/p>\n<p>&nbsp;<\/p>\n<hr>\n<p><span style=\"font-family: arial,helvetica,sans-serif; font-size: 20px;\"><strong>L&rsquo;Oie<\/strong><\/span><br \/>\n<span style=\"font-family: times new roman,times,serif; font-size: 20px;\"> (Anser)<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\">Associ\u00e9e au Petit Renard. En 1690, H\u00e9v\u00e9lius, dans son atlas, repr\u00e9sente une oie dans la gueule du renard.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1570 size-full\" src=\"http:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Oie.jpg\" alt=\"\" width=\"380\" height=\"260\" srcset=\"https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Oie.jpg 380w, https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Oie-300x205.jpg 300w\" sizes=\"auto, (max-width: 380px) 100vw, 380px\" \/><\/span><\/p>\n<p>&nbsp;<\/p>\n<hr>\n<p><span style=\"font-family: arial,helvetica,sans-serif; font-size: 20px;\"><strong>La Grive Solitaire<\/strong><\/span><br \/>\n<span style=\"font-family: times new roman,times,serif; font-size: 20px;\"> (Turdus Solitarius)<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\">C&rsquo;est Lemonnier qui place ce volatile, en 1776, entre la Balance et l&rsquo;Hydre, en souvenir d&rsquo;un oiseau des Indes. Il a fini par se transformer en Hibou.<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1559 size-full\" src=\"http:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Grive.jpg\" alt=\"\" width=\"380\" height=\"251\" srcset=\"https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Grive.jpg 380w, https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Grive-300x198.jpg 300w\" sizes=\"auto, (max-width: 380px) 100vw, 380px\" \/><\/span><\/p>\n<p>&nbsp;<\/p>\n<hr>\n<p><span style=\"font-family: arial,helvetica,sans-serif; font-size: 20px;\"><strong>Le Petit Triangle<\/strong><\/span><br \/>\n<span style=\"font-family: times new roman,times,serif; font-size: 20px;\"> (Triangulum Minus)<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\">H\u00e9v\u00e9lius avait d\u00e9doubl\u00e9 la constellation du Triangle. Un Grand, un Petit !<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1576 size-full\" src=\"http:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Triangle.jpg\" alt=\"\" width=\"380\" height=\"249\" srcset=\"https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Triangle.jpg 380w, https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Triangle-300x197.jpg 300w\" sizes=\"auto, (max-width: 380px) 100vw, 380px\" \/><\/span><\/p>\n<p>&nbsp;<\/p>\n<hr>\n<p><span style=\"font-family: arial,helvetica,sans-serif; font-size: 20px;\"><strong>Le Renne<\/strong><\/span><br \/>\n<span style=\"font-family: times new roman,times,serif; font-size: 20px;\"> (Rangifer)<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\">Un souvenir d&rsquo;un voyage au cercle polaire que Lemonnier avait accroch\u00e9 non loin du p\u00f4le nord c\u00e9leste, entre C\u00e9ph\u00e9e et la Girafe.<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1572 size-full\" src=\"http:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Renne.jpg\" alt=\"\" width=\"380\" height=\"461\" srcset=\"https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Renne.jpg 380w, https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Renne-247x300.jpg 247w\" sizes=\"auto, (max-width: 380px) 100vw, 380px\" \/><\/span><\/p>\n<p>&nbsp;<\/p>\n<hr>\n<p><span style=\"font-family: arial,helvetica,sans-serif; font-size: 20px;\"><strong>Le Taureau de Poniatowski<\/strong><\/span><br \/>\n<span style=\"font-family: times new roman,times,serif; font-size: 20px;\"> (Taurus Poniatovii)<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\">Encore un honneur rendu \u00e0 un monarque ! Cette fois c&rsquo;est Stanislas, roi de Pologne, qui a droit \u00e0 un hommage rendu en 1777 par l&rsquo;Abb\u00e9 Poczobut. Et voil\u00e0 un taureau entre l&rsquo;Aigle et Hercule.<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1573 size-full\" src=\"http:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Taureau.jpg\" alt=\"\" width=\"380\" height=\"336\" srcset=\"https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Taureau.jpg 380w, https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Taureau-300x265.jpg 300w\" sizes=\"auto, (max-width: 380px) 100vw, 380px\" \/><\/span><\/p>\n<p>&nbsp;<\/p>\n<hr>\n<p><span style=\"font-family: arial,helvetica,sans-serif; font-size: 20px;\"><strong>Le T\u00e9lescope de Herschel<\/strong><\/span><br \/>\n<span style=\"font-family: times new roman,times,serif; font-size: 20px;\"> (Telescopium)<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\">Le P\u00e8re Hell pla\u00e7a ce t\u00e9lescope entre les G\u00e9meaux, le Cocher et le Lynx en comm\u00e9moration de la d\u00e9couverte d&rsquo;Uranus faite dans cette r\u00e9gion du ciel en 1781 par William Herschel.<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1574 size-full\" src=\"http:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Te\u0301lescope-Herschel.jpg\" alt=\"\" width=\"380\" height=\"386\" srcset=\"https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Te\u0301lescope-Herschel.jpg 380w, https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Te\u0301lescope-Herschel-295x300.jpg 295w\" sizes=\"auto, (max-width: 380px) 100vw, 380px\" \/><\/span><\/p>\n<p>&nbsp;<\/p>\n<hr>\n<p><span style=\"font-family: arial,helvetica,sans-serif; font-size: 20px;\"><strong>Le Tigre<\/strong><\/span><br \/>\n<span style=\"font-family: times new roman,times,serif; font-size: 20px;\"> (Tigris)<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\">Il ne s&rsquo;agit pas du beau f\u00e9lin, mais du fleuve arrosant Bagdad qui est venu couler dans le ciel entre l&rsquo;Aigle, le Cygne et la Lyre gr\u00e2ce \u00e0 Jakob Bartsch.<\/span><\/p>\n<p><span style=\"font-family: times new roman,times,serif; font-size: 20px;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1575 size-full\" src=\"http:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Tigre.jpg\" alt=\"\" width=\"380\" height=\"407\" srcset=\"https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Tigre.jpg 380w, https:\/\/gap47.astrosurf.com\/wp-content\/uploads\/2017\/05\/Tigre-280x300.jpg 280w\" sizes=\"auto, (max-width: 380px) 100vw, 380px\" \/><\/span><\/p>\n<hr>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les Constellations Une constellation est un ensemble d&rsquo;\u00e9toiles dont les projections sur la vo\u00fbte c\u00e9leste sont suffisamment proches pour qu&rsquo;une civilisation donn\u00e9e ait d\u00e9cid\u00e9 de les relier par des lignes imaginaires, tra\u00e7ant ainsi une figure sur la vo\u00fbte c\u00e9leste. On appelle cela un \u00ab ast\u00e9risme \u00bb. Dans l&rsquo;espace tridimensionnel, les \u00e9toiles d&rsquo;une constellation sont ordinairement &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/gap47.astrosurf.com\/index.php\/ressources\/textes-historiques\/constellations-disparues\/\" class=\"more-link\">Continuer la lecture<span class=\"screen-reader-text\"> de &laquo;&nbsp;Constellations disparues&nbsp;&raquo;<\/span><\/a><\/p>\n","protected":false},"author":5,"featured_media":0,"parent":208,"menu_order":3,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"ngg_post_thumbnail":0,"footnotes":""},"class_list":["post-1310","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.8.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Constellations disparues - L&#039;observatoire est ouvert aux visiteurs tous les vendredis soirs \u00e0 21 heures, jusqu&#039;au 3 juillet 2026 inclus, sans r\u00e9servation.<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/gap47.astrosurf.com\/index.php\/ressources\/textes-historiques\/constellations-disparues\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Constellations disparues - L&#039;observatoire est ouvert aux visiteurs tous les vendredis soirs \u00e0 21 heures, jusqu&#039;au 3 juillet 2026 inclus, sans r\u00e9servation.\" \/>\n<meta property=\"og:description\" content=\"Les Constellations Une constellation est un ensemble d&rsquo;\u00e9toiles dont les projections sur la vo\u00fbte c\u00e9leste sont suffisamment proches pour qu&rsquo;une civilisation donn\u00e9e ait d\u00e9cid\u00e9 de les relier par des lignes imaginaires, tra\u00e7ant ainsi une figure sur la vo\u00fbte c\u00e9leste. On appelle cela un \u00ab ast\u00e9risme \u00bb. 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