{"id":278987,"date":"2026-06-01T07:00:00","date_gmt":"2026-06-01T06:00:00","guid":{"rendered":"https:\/\/www.unistellar.com\/blog\/raisons-dobserver-ce-mois-ci\/"},"modified":"2026-06-01T09:30:08","modified_gmt":"2026-06-01T08:30:08","slug":"raisons-dobserver-ce-mois-ci","status":"publish","type":"blog","link":"https:\/\/www.unistellar.com\/fr\/blog\/raisons-dobserver-ce-mois-ci\/","title":{"rendered":"3 raisons d&rsquo;observer ce mois-ci"},"content":{"rendered":"<p>[et_pb_section fb_built=\u00a0\u00bb1&Prime; disabled_on=\u00a0\u00bboff|off|off\u00a0\u00bb _builder_version=\u00a0\u00bb4.18.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb background_color=\u00a0\u00bbgcid-579abc80-458a-43b5-90b5-efa821d39207&Prime; custom_padding=\u00a0\u00bb4px||0px|||\u00a0\u00bb locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{%22gcid-579abc80-458a-43b5-90b5-efa821d39207%22:%91%22background_color%22%93}\u00a0\u00bb][et_pb_row _builder_version=\u00a0\u00bb4.18.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.18.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][dsm_breadcrumbs _builder_version=\u00a0\u00bb4.18.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/dsm_breadcrumbs][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=\u00a0\u00bb1_2,1_2&Prime; make_equal=\u00a0\u00bbon\u00a0\u00bb disabled_on=\u00a0\u00bboff|off|off\u00a0\u00bb _builder_version=\u00a0\u00bb4.22.2&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb custom_padding=\u00a0\u00bb||38px|||\u00a0\u00bb custom_css_main_element=\u00a0\u00bbalign-items: center;\u00a0\u00bb locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb1_2&Prime; _builder_version=\u00a0\u00bb4.22.2&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.27.4&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_line_height=\u00a0\u00bb1.8em\u00a0\u00bb hover_enabled=\u00a0\u00bb0&Prime; text_font_size_tablet=\u00a0\u00bb16px\u00a0\u00bb text_font_size_phone=\u00a0\u00bb16px\u00a0\u00bb text_font_size_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb sticky_enabled=\u00a0\u00bb0&Prime;]<\/p>\n<h4>La vie des \u00e9toiles<\/h4>\n<p>&nbsp;<\/p>\n<p>Une fois n\u00e9es dans une n\u00e9buleuse, les \u00e9toiles atteignent un \u00e9tat stable. En leur centre, une s\u00e9rie de r\u00e9actions nucl\u00e9aires se produit.<\/p>\n<p>&nbsp;<\/p>\n<p>Au fil du temps, les \u00e9toiles se refroidissent progressivement, ce qui modifie leur couleur : bleues au d\u00e9but, elles deviennent blanches, puis jaunes, orange et enfin rouges \u00e0 mesure qu&rsquo;elles approchent de la fin de leur vie.<\/p>\n<p>&nbsp;<\/p>\n<p>Cette \u00e9volution peut durer des milliards d&rsquo;ann\u00e9es, comme c&rsquo;est le cas pour notre Soleil, ou seulement quelques millions d&rsquo;ann\u00e9es pour les \u00e9toiles plus massives. En observant l&rsquo;amas stellaire M71, vous pourrez voir des \u00e9toiles \u00e0 diff\u00e9rents stades de leur \u00e9volution.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=\u00a0\u00bb1_2&Prime; _builder_version=\u00a0\u00bb4.22.2&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_image src=\u00a0\u00bbhttps:\/\/www.unistellar.com\/wp-content\/uploads\/2025\/07\/M71-Agnes-Poitier.jpg\u00a0\u00bb alt=\u00a0\u00bbK2-18&Prime; title_text=\u00a0\u00bbM71-Agnes-Poitier\u00a0\u00bb _builder_version=\u00a0\u00bb4.27.4&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/et_pb_image][et_pb_text disabled_on=\u00a0\u00bboff|off|off\u00a0\u00bb _builder_version=\u00a0\u00bb4.27.4&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_font=\u00a0\u00bb||||||||\u00a0\u00bb text_font_size=\u00a0\u00bb13px\u00a0\u00bb custom_margin=\u00a0\u00bb||||false|false\u00a0\u00bb custom_padding=\u00a0\u00bb||||false|false\u00a0\u00bb hover_enabled=\u00a0\u00bb0&Prime; locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb sticky_enabled=\u00a0\u00bb0&Prime;]<\/p>\n<p>M71: Credit Photo Agnes Poitier<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=\u00a0\u00bb1_3,1_3,1_3&Prime; make_equal=\u00a0\u00bbon\u00a0\u00bb disabled_on=\u00a0\u00bboff|off|off\u00a0\u00bb _builder_version=\u00a0\u00bb4.22.2&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb custom_css_main_element=\u00a0\u00bbalign-items: center;\u00a0\u00bb locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb1_3&Prime; _builder_version=\u00a0\u00bb4.22.2&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.27.4&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb custom_padding=\u00a0\u00bb1px|||||\u00a0\u00bb hover_enabled=\u00a0\u00bb0&Prime; locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb sticky_enabled=\u00a0\u00bb0&Prime;]<\/p>\n<h3>La mort des \u00e9toiles<\/h3>\n<p>&nbsp;<\/p>\n<p>La vie d&rsquo;une \u00e9toile peut se terminer de plusieurs fa\u00e7ons. L&rsquo;une d&rsquo;entre elles est la formation d&rsquo;une n\u00e9buleuse plan\u00e9taire.<\/p>\n<p>&nbsp;<\/p>\n<p>Lorsqu&rsquo;une \u00e9toile a \u00e9puis\u00e9 ses r\u00e9serves d&rsquo;hydrog\u00e8ne, elle commence \u00e0 fusionner de l&rsquo;h\u00e9lium, puis des \u00e9l\u00e9ments plus lourds. Elle prend une teinte rouge, pulse, puis finit par expulser son atmosph\u00e8re dans l&rsquo;espace. Ce dernier souffle forme une enveloppe gazeuse en expansion : le linceul c\u00e9leste de l&rsquo;\u00e9toile. En son centre, le noyau incandescent subsiste sous la forme d&rsquo;une naine blanche, qui brille encore quelque temps avant de s&rsquo;\u00e9teindre.<\/p>\n<p>&nbsp;<\/p>\n<p>Deux vestiges de ce cycle stellaire sont visibles \u00e0 travers votre t\u00e9lescope :<\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li>La n\u00e9buleuse de l&rsquo;Halt\u00e8re (M27)<\/li>\n<li>La n\u00e9buleuse de l&rsquo;Anneau (M57)<\/li>\n<\/ul>\n<p>Observez attentivement : vous apercevrez peut-\u00eatre m\u00eame la naine blanche qui se trouve au c\u0153ur de ces n\u00e9buleuses.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=\u00a0\u00bb1_3&Prime; _builder_version=\u00a0\u00bb4.22.2&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_image src=\u00a0\u00bbhttps:\/\/www.unistellar.com\/wp-content\/uploads\/2025\/07\/M57-Stuart-Fort.jpg\u00a0\u00bb alt=\u00a0\u00bbM101 &#8211; Pinwheel Galaxy\u00a0\u00bb title_text=\u00a0\u00bbM57-Stuart-Fort\u00a0\u00bb _builder_version=\u00a0\u00bb4.27.4&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/et_pb_image][et_pb_text disabled_on=\u00a0\u00bboff|off|off\u00a0\u00bb _builder_version=\u00a0\u00bb4.27.4&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_font=\u00a0\u00bb||||||||\u00a0\u00bb text_font_size=\u00a0\u00bb13px\u00a0\u00bb custom_margin=\u00a0\u00bb||||false|false\u00a0\u00bb custom_padding=\u00a0\u00bb||||false|false\u00a0\u00bb hover_enabled=\u00a0\u00bb0&Prime; locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb sticky_enabled=\u00a0\u00bb0&Prime;]<\/p>\n<p>M57: Credit Photo Stuart Fort<\/p>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=\u00a0\u00bb1_3&Prime; _builder_version=\u00a0\u00bb4.22.2&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_image src=\u00a0\u00bbhttps:\/\/www.unistellar.com\/wp-content\/uploads\/2026\/01\/M27-dumbell-Emmanuel-Marchal-1-1.jpg\u00a0\u00bb alt=\u00a0\u00bbM101 &#8211; Pinwheel Galaxy\u00a0\u00bb title_text=\u00a0\u00bbM27 dumbell &#8211; Emmanuel Marchal (1) (1)\u00a0\u00bb _builder_version=\u00a0\u00bb4.27.4&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/et_pb_image][et_pb_text disabled_on=\u00a0\u00bboff|off|off\u00a0\u00bb _builder_version=\u00a0\u00bb4.27.4&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_font=\u00a0\u00bb||||||||\u00a0\u00bb text_font_size=\u00a0\u00bb13px\u00a0\u00bb custom_margin=\u00a0\u00bb||||false|false\u00a0\u00bb custom_padding=\u00a0\u00bb||||false|false\u00a0\u00bb hover_enabled=\u00a0\u00bb0&Prime; locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb sticky_enabled=\u00a0\u00bb0&Prime;]<\/p>\n<p>M27: Credit Photo Emmanuel Marchal<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u00a0\u00bb4.22.2&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb width_tablet=\u00a0\u00bb\u00a0\u00bb width_phone=\u00a0\u00bb90%\u00a0\u00bb width_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.22.2&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.27.4&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<p>Rendez-vous le mois prochain pour d\u00e9couvrir d&rsquo;autres raisons de lever les yeux vers le ciel !<\/p>\n<p>&nbsp;<\/p>\n<p>Bonne observation des \u00e9toiles avec UNISTELLAR.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=\u00a0\u00bb1&Prime; disabled_on=\u00a0\u00bbon|on|on\u00a0\u00bb _builder_version=\u00a0\u00bb4.18.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb background_color=\u00a0\u00bbgcid-579abc80-458a-43b5-90b5-efa821d39207&Prime; custom_padding=\u00a0\u00bb4px||0px|||\u00a0\u00bb disabled=\u00a0\u00bbon\u00a0\u00bb locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{%22gcid-579abc80-458a-43b5-90b5-efa821d39207%22:%91%22background_color%22%93}\u00a0\u00bb][et_pb_row _builder_version=\u00a0\u00bb4.18.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.18.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][dsm_breadcrumbs _builder_version=\u00a0\u00bb4.18.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/dsm_breadcrumbs][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=\u00a0\u00bb1_2,1_2&Prime; make_equal=\u00a0\u00bbon\u00a0\u00bb disabled_on=\u00a0\u00bboff|off|off\u00a0\u00bb _builder_version=\u00a0\u00bb4.22.2&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb custom_css_main_element=\u00a0\u00bbalign-items: center;\u00a0\u00bb locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb1_2&Prime; _builder_version=\u00a0\u00bb4.22.2&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.27.4&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_line_height=\u00a0\u00bb1.8em\u00a0\u00bb text_font_size_tablet=\u00a0\u00bb16px\u00a0\u00bb text_font_size_phone=\u00a0\u00bb16px\u00a0\u00bb text_font_size_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<h3><b>Alioth<\/b><\/h3>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">\u00c9toile la plus brillante de la constellation de la Grande Ourse, Alioth se situe sur la \u201cqueue\u201d de l\u2019ours. \u00c0 environ 82,6 ann\u00e9es-lumi\u00e8re, c\u2019est une cible simple et rapide \u00e0 observer au t\u00e9lescope. <br \/>Serez-vous capable de la rep\u00e9rer plus vite que votre t\u00e9lescope ? \ud83d\ude09<\/span><\/p>\n<p>&nbsp;<\/p>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=\u00a0\u00bb1_2&Prime; _builder_version=\u00a0\u00bb4.22.2&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_image src=\u00a0\u00bbhttps:\/\/www.unistellar.com\/wp-content\/uploads\/2026\/01\/alioth.jpg\u00a0\u00bb alt=\u00a0\u00bbM3&Prime; title_text=\u00a0\u00bbalioth\u00a0\u00bb _builder_version=\u00a0\u00bb4.27.4&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/et_pb_image][et_pb_text disabled_on=\u00a0\u00bboff|off|off\u00a0\u00bb _builder_version=\u00a0\u00bb4.27.4&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_font=\u00a0\u00bb||||||||\u00a0\u00bb text_font_size=\u00a0\u00bb13px\u00a0\u00bb custom_margin=\u00a0\u00bb||||false|false\u00a0\u00bb custom_padding=\u00a0\u00bb||||false|false\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<p>Alioth: Cr\u00e9dit Photo Skiesandscopes<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=\u00a0\u00bb1_2,1_2&Prime; make_equal=\u00a0\u00bbon\u00a0\u00bb disabled_on=\u00a0\u00bboff|off|off\u00a0\u00bb _builder_version=\u00a0\u00bb4.22.2&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb custom_css_main_element=\u00a0\u00bbalign-items: center;\u00a0\u00bb locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb1_2&Prime; _builder_version=\u00a0\u00bb4.22.2&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.27.4&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<h3><b>La N\u00e9buleuse du Crabe<\/b><\/h3>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Imaginez une explosion si puissante qu\u2019elle a illumin\u00e9 le ciel en plein jour pendant des semaines. <\/p>\n<p>C\u2019est ce qu\u2019ont observ\u00e9 des astronomes chinois en l\u2019an 1054. Aujourd\u2019hui, ce vestige d\u2019une \u00e9toile morte \u2014 la N\u00e9buleuse du Crabe \u2014 continue de briller, t\u00e9moignage silencieux de la violence et de la beaut\u00e9 de l\u2019univers.<\/span><\/p>\n<p><span style=\"font-weight: 400;\"><\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ce n\u2019est pas l\u2019objet le plus facile \u00e0 voir, mais si vous observez <strong>plusieurs dizaines de minutes<\/strong>, votre t\u00e9lescope r\u00e9v\u00e9lera petit \u00e0 petit ses filaments fantomatiques.<\/span><\/p>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=\u00a0\u00bb1_2&Prime; _builder_version=\u00a0\u00bb4.22.2&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_image src=\u00a0\u00bbhttps:\/\/www.unistellar.com\/wp-content\/uploads\/2025\/01\/eQuinox2-20240909-092709-Michael-Chesson-copie-scaled.jpg\u00a0\u00bb alt=\u00a0\u00bbM1 Crab Nebula\u00a0\u00bb title_text=\u00a0\u00bbM1 Crab Nebula\u00a0\u00bb _builder_version=\u00a0\u00bb4.27.4&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/et_pb_image][et_pb_text disabled_on=\u00a0\u00bboff|off|off\u00a0\u00bb _builder_version=\u00a0\u00bb4.27.4&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_font=\u00a0\u00bb||||||||\u00a0\u00bb text_font_size=\u00a0\u00bb13px\u00a0\u00bb custom_margin=\u00a0\u00bb||||false|false\u00a0\u00bb custom_padding=\u00a0\u00bb||||false|false\u00a0\u00bb locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<p>NGC 1952: Cr\u00e9dit Photo Michael Chesson<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=\u00a0\u00bb1_2,1_2&Prime; make_equal=\u00a0\u00bbon\u00a0\u00bb disabled_on=\u00a0\u00bboff|off|off\u00a0\u00bb _builder_version=\u00a0\u00bb4.22.2&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb custom_css_main_element=\u00a0\u00bbalign-items: center;\u00a0\u00bb locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb1_2&Prime; _builder_version=\u00a0\u00bb4.22.2&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.27.4&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<h3><b>La galaxie NGC 2841<\/b><\/h3>\n<h3><strong><b><br \/><\/b> <\/strong><\/h3>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Situ\u00e9e dans les pattes avant de la constellation de la Grande Ourse, NGC 2841 est une galaxie spirale, parfois surnomm\u00e9e \u201cTiger\u2019s Eye Galaxy\u201d. <br \/>Discr\u00e8te au premier regard, elle demande <strong>plusieurs dizaines de minutes d\u2019observation<\/strong> : le temps que votre t\u00e9lescope accumule une lumi\u00e8re partie d\u2019il y a 46 millions d\u2019ann\u00e9es. Peu \u00e0 peu, le bulbe central et les bras en spirale se r\u00e9v\u00e8lent \u2014 riches en \u00e9toiles, en gaz et en poussi\u00e8res.<\/span><\/p>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=\u00a0\u00bb1_2&Prime; _builder_version=\u00a0\u00bb4.22.2&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_image src=\u00a0\u00bbhttps:\/\/www.unistellar.com\/wp-content\/uploads\/2026\/01\/ursa-major-1.jpg\u00a0\u00bb alt=\u00a0\u00bbM3&Prime; title_text=\u00a0\u00bbursa major (1)\u00a0\u00bb _builder_version=\u00a0\u00bb4.27.4&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/et_pb_image][et_pb_text disabled_on=\u00a0\u00bbon|on|on\u00a0\u00bb _builder_version=\u00a0\u00bb4.27.4&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_font=\u00a0\u00bb||||||||\u00a0\u00bb text_font_size=\u00a0\u00bb13px\u00a0\u00bb custom_margin=\u00a0\u00bb||||false|false\u00a0\u00bb custom_padding=\u00a0\u00bb||||false|false\u00a0\u00bb disabled=\u00a0\u00bbon\u00a0\u00bb locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<p>NGC 253: Photo Credit Siegfried Colin<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u00a0\u00bb4.22.2&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb width_tablet=\u00a0\u00bb\u00a0\u00bb width_phone=\u00a0\u00bb90%\u00a0\u00bb width_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.22.2&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.27.4&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<p>Rendez-vous le mois prochain pour d\u00e9couvrir d&rsquo;autres raisons de lever les yeux vers le ciel !<\/p>\n<p>&nbsp;<\/p>\n<p>Bonne observation des \u00e9toiles avec UNISTELLAR.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=\u00a0\u00bb1&Prime; _builder_version=\u00a0\u00bb4.18.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb background_color=\u00a0\u00bbgcid-929a6719-4323-4702-bd5a-fabceb4433c2&Prime; global_colors_info=\u00a0\u00bb{%22gcid-929a6719-4323-4702-bd5a-fabceb4433c2%22:%91%22background_color%22%93}\u00a0\u00bb][et_pb_row _builder_version=\u00a0\u00bb4.18.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.18.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.18.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<h2>Lectures compl\u00e9mentaires<\/h2>\n<p>[\/et_pb_text][et_pb_divider color=\u00a0\u00bb#FDB82B\u00a0\u00bb _builder_version=\u00a0\u00bb4.18.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb width=\u00a0\u00bb15%\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/et_pb_divider][dsm_post_carousel post_type=\u00a0\u00bbblog\u00a0\u00bb posts_number=\u00a0\u00bb6&Prime; pagi_color=\u00a0\u00bb#FDB82B\u00a0\u00bb pagi_active_color=\u00a0\u00bb#FDB82B\u00a0\u00bb navi_color=\u00a0\u00bb#FDB82B\u00a0\u00bb post_item_bg_color=\u00a0\u00bbgcid-84086a3f-4df3-4dea-91c2-75d1b92f5c80&Prime; _builder_version=\u00a0\u00bb4.18.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{%22gcid-84086a3f-4df3-4dea-91c2-75d1b92f5c80%22:%91%22post_item_bg_color%22%93}\u00a0\u00bb][\/dsm_post_carousel][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Chaque mois, d\u00e9couvrez trois \u00e9v\u00e9nements c\u00e9lestes incontournables \u00e0 observer avec votre t\u00e9lescope Unistellar.<\/p>\n","protected":false},"author":17,"featured_media":277146,"menu_order":0,"template":"","meta":{"_acf_changed":false,"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","inline_featured_image":false},"categories":[1],"tags":[777],"articles_categories":[],"class_list":["post-278987","blog","type-blog","status-publish","has-post-thumbnail","hentry","category-uncategorized","tag-planet-observation-deep-sky-objects-smart-telescope"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.6 (Yoast SEO v25.6) - 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