{"id":30440,"date":"2023-08-26T17:10:37","date_gmt":"2023-08-26T15:10:37","guid":{"rendered":"http:\/\/www.astrobreuillet.fr\/wordpress\/?p=30440"},"modified":"2023-08-31T13:28:57","modified_gmt":"2023-08-31T11:28:57","slug":"nebuleuse-du-croissant-ngc6888-dans-la-constellation-du-cygne","status":"publish","type":"post","link":"https:\/\/www.astrobreuillet.fr\/wordpress\/?p=30440","title":{"rendered":"N\u00e9buleuse du Croissant (NGC6888) dans la Constellation du Cygne"},"content":{"rendered":"

Views: 211<\/p>

Cyril NOGER<\/p>[et_pb_section fb_built=”1″ _builder_version=”4.16″ global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_row _builder_version=”4.16″ background_size=”initial” background_position=”top_left” background_repeat=”repeat” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_column type=”4_4″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||” theme_builder_area=”post_content”][et_pb_text _builder_version=”4.16″ background_size=”initial” background_position=”top_left” background_repeat=”repeat” global_colors_info=”{}” theme_builder_area=”post_content”]N\u00e9buleuse de l’Aigle (M16)
\nPhoto prise le 3 juillet 2022 \u00e0 Breuillet (entre 0h30 et 2h du matin).
\n120 images de 30s de pose \u00e0 3200 iso (soit 1h de pose)
\nLunette ASKAR FRA500 (500mm de focale)
\nSony A7s d\u00e9filtr\u00e9 Astrodon
\nFiltre IDAS LPS-P3 (Anti pollution Lumineuse)
\nMonture Skywatcher HEQ5 Pro GoTo
\nTraitement avec le logiciel Pixinsight et Photoshop[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”1_3,1_3,1_3″ _builder_version=”4.17.6″ _module_preset=”default” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_column type=”1_3″ _builder_version=”4.17.6″ _module_preset=”default” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_image src=”https:\/\/www.astrobreuillet.fr\/wordpress\/wp-content\/uploads\/2023\/08\/ngc6888-Croissant.jpg” _builder_version=”4.17.6″ _module_preset=”default” theme_builder_area=”post_content” title_text=”ngc6888-Croissant” hover_enabled=”0″ sticky_enabled=”0″ show_in_lightbox=”on”][\/et_pb_image][\/et_pb_column][et_pb_column type=”1_3″ _builder_version=”4.17.6″ _module_preset=”default” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_text _builder_version=”4.17.6″ _module_preset=”default” theme_builder_area=”post_content” text_text_color=”rgba(45,45,45,0.94)” text_letter_spacing=”1px” text_orientation=”left” module_alignment=”right” hover_enabled=”0″ sticky_enabled=”0″]\n

A gauche, prise le m\u00eame soir mais avec 1500mm de focale. On disitingue un peu mieux d\u00e9tail et nuages de gaz diff\u00e9renci\u00e9s (Hydrog\u00e8ne et oxyg\u00e8ne mol\u00e9culaire principalement). Photo r\u00e9alis\u00e9e \u00e9galement derri\u00e8re un filtre bibande<\/p>\n[\/et_pb_text][\/et_pb_column][et_pb_column type=”1_3″ _builder_version=”4.17.6″ _module_preset=”default” global_colors_info=”{}” theme_builder_area=”post_content”][\/et_pb_column][\/et_pb_row][\/et_pb_section]\n

\"Croissant_FindingChart-1.jpg\"<\/a> \"StarlessBXT_STFstarsAdded_NXT_signee_CAB-0.jpg\"<\/a> <\/p>","protected":false},"excerpt":{"rendered":"

N\u00e9buleuse de l’Aigle (M16) Photo prise le 3 juillet 2022 \u00e0 Breuillet (entre 0h30 et 2h du matin). 120 images de 30s de pose \u00e0 3200 iso (soit 1h de pose) Lunette ASKAR FRA500 (500mm de focale) Sony A7s d\u00e9filtr\u00e9 Astrodon Filtre IDAS LPS-P3 (Anti pollution Lumineuse) Monture Skywatcher HEQ5 Pro GoTo Traitement avec le […]<\/p>\n","protected":false},"author":5,"featured_media":30442,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"3h de pose sur la N\u00e9buleuse du Croissant ont \u00e9t\u00e9 requises ici pour obtenir cette photo.\nLes structures d'hydrog\u00e8ne tout autour de la N\u00e9buleuse sont incroyables. Je les ai obtenues gr\u00e2ce au filtre bande \u00e9troite que j'ai utilis\u00e9.\nMes gros pixels de 8.4\u00b5m ne permettent pas d'avoir \u00e9norm\u00e9ment de d\u00e9tails mais on voit m\u00eame un peu l'oxyg\u00e8ne qui entoure le Croissant ! Le pr\u00e9traitement avec le logiciel Pixinsight a pris quasiment 16h pour avaler les 360 photos et faire son travail pr\u00e9paratoire complet. Traitement pas simple tellement il y a d'\u00e9toiles dans ce champ (normal on est en pleine Voie Lact\u00e9e).\nEXIFs de la photo :\n360 images de 30s \u00e0 3200 iso (soit 3h de pose)\nLunette ASKAR FRA500 (500mm de focale)\nSony A7s d\u00e9filtr\u00e9 Astrodon\nFiltre IDAS NBZ (dual narrow band)\nMonture Skywatcher HEQ5 Pro GoTo\nTraitement enti\u00e8rement avec le logiciel Pixinsight","_et_gb_content_width":"","_s2mail":"yes","footnotes":""},"categories":[146],"tags":[],"class_list":["post-30440","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-galerie-2023","et-has-post-format-content","et_post_format-et-post-format-standard"],"_links":{"self":[{"href":"https:\/\/www.astrobreuillet.fr\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/30440"}],"collection":[{"href":"https:\/\/www.astrobreuillet.fr\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.astrobreuillet.fr\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.astrobreuillet.fr\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.astrobreuillet.fr\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=30440"}],"version-history":[{"count":3,"href":"https:\/\/www.astrobreuillet.fr\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/30440\/revisions"}],"predecessor-version":[{"id":30454,"href":"https:\/\/www.astrobreuillet.fr\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/30440\/revisions\/30454"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.astrobreuillet.fr\/wordpress\/index.php?rest_route=\/wp\/v2\/media\/30442"}],"wp:attachment":[{"href":"https:\/\/www.astrobreuillet.fr\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=30440"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.astrobreuillet.fr\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=30440"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.astrobreuillet.fr\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=30440"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}