{"id":3529,"date":"2016-07-18T17:01:31","date_gmt":"2016-07-18T16:01:31","guid":{"rendered":"http:\/\/outters.fr\/?p=3529"},"modified":"2025-07-15T17:04:14","modified_gmt":"2025-07-15T16:04:14","slug":"sh2-91-hoo","status":"publish","type":"post","link":"https:\/\/www.outters.fr\/?p=3529","title":{"rendered":"Sh2-91 HOO"},"content":{"rendered":"<p><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-background-position:left top;--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-padding-top:20px;--awb-padding-bottom:20px;--awb-border-sizes-top:0px;--awb-border-sizes-bottom:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:calc( 1800px + 0px );margin-left: calc(-0px \/ 2 );margin-right: calc(-0px \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-flex-column fusion-flex-align-self-flex-start fusion-column-no-min-height\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:0px;--awb-margin-bottom-large:0px;--awb-spacing-left-large:0px;--awb-width-medium:100%;--awb-spacing-right-medium:0px;--awb-spacing-left-medium:0px;--awb-width-small:100%;--awb-spacing-right-small:0px;--awb-spacing-left-small:0px;\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-1 fusion-title-center fusion-title-text fusion-title-size-two\" style=\"--awb-sep-color:#dd9933;\"><div class=\"title-sep-container title-sep-container-left\"><div class=\"title-sep sep- sep-solid\" style=\"border-color:#dd9933;\"><\/div><\/div><span class=\"awb-title-spacer\"><\/span><h2 class=\"fusion-title-heading title-heading-center fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:24;line-height:;\"><p style=\"text-align: left;\"><span style=\"color: #ff9900;\"> <strong>Sharpless 91 en HOO<\/strong><br \/>\n<\/span><\/p><\/h2><span class=\"awb-title-spacer\"><\/span><div class=\"title-sep-container title-sep-container-right\"><div class=\"title-sep sep- sep-solid\" style=\"border-color:#dd9933;\"><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-2 fusion-flex-container hundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-overflow:visible;--awb-margin-top:30px;--awb-margin-bottom:30px;--awb-background-color:rgba(255,255,255,0);--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"width:calc( 100% + 0px ) !important;max-width:calc( 100% + 0px ) !important;margin-left: calc(-0px \/ 2 );margin-right: calc(-0px \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-1 fusion_builder_column_1_1 1_1 fusion-flex-column fusion-flex-align-self-flex-start fusion-column-no-min-height\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:0px;--awb-margin-bottom-large:0px;--awb-spacing-left-large:0px;--awb-width-medium:100%;--awb-spacing-right-medium:0px;--awb-spacing-left-medium:0px;--awb-width-small:100%;--awb-spacing-right-small:0px;--awb-spacing-left-small:0px;\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-separator fusion-full-width-sep\" style=\"align-self: center;margin-left: auto;margin-right: auto;width:100%;\"><div class=\"fusion-separator-border sep-shadow\" style=\"--awb-height:20px;--awb-amount:20px;background:radial-gradient(ellipse at 50% -50% , #3e3e3e 0px, rgba(255, 255, 255, 0) 80%) repeat scroll 0 0 rgba(0, 0, 0, 0);background:-webkit-radial-gradient(ellipse at 50% -50% , #3e3e3e 0px, rgba(255, 255, 255, 0) 80%) repeat scroll 0 0 rgba(0, 0, 0, 0);background:-moz-radial-gradient(ellipse at 50% -50% , #3e3e3e 0px, rgba(255, 255, 255, 0) 80%) repeat scroll 0 0 rgba(0, 0, 0, 0);background:-o-radial-gradient(ellipse at 50% -50% , #3e3e3e 0px, rgba(255, 255, 255, 0) 80%) repeat scroll 0 0 rgba(0, 0, 0, 0);\"><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-3 fusion-flex-container hundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-overflow:visible;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"width:104% !important;max-width:104% !important;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-2 fusion_builder_column_2_5 2_5 fusion-flex-column\" style=\"--awb-bg-position:center center;--awb-bg-size:cover;--awb-width-large:40%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.84%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:4.8%;--awb-width-medium:40%;--awb-spacing-right-medium:3.84%;--awb-spacing-left-medium:4.8%;--awb-width-small:100%;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-image-element \" style=\"text-align:center;--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-1 hover-type-none\"><a class=\"fusion-no-lightbox\" href=\"http:\/\/outters.fr\/wp-content\/uploads\/2016\/07\/Sh2-91-HOO-rvb6.jpg\" target=\"_blank\" rel=\"noopener noreferrer\"><img decoding=\"async\" alt=\"Sharpless 91\" src=\"http:\/\/outters.fr\/wp-content\/uploads\/2016\/07\/Sh2-91-HOO-rvb6-900x900.jpg\" class=\"img-responsive\"\/><\/a><\/span><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-3 fusion_builder_column_3_5 3_5 fusion-flex-column fusion-animated\" style=\"--awb-bg-size:cover;--awb-border-color:#000000;--awb-border-top:0px;--awb-border-right:0px;--awb-border-bottom:0px;--awb-border-left:0px;--awb-border-style:solid;--awb-width-large:60%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.2%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:3.84%;--awb-width-medium:60%;--awb-spacing-right-medium:3.2%;--awb-spacing-left-medium:3.84%;--awb-width-small:100%;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\" data-animationType=\"zoomInDown\" data-animationDuration=\"0.1\" data-animationOffset=\"top-into-view\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-2 fusion-title-center fusion-title-text fusion-title-size-one\" style=\"--awb-sep-color:#dd9933;\"><div class=\"title-sep-container title-sep-container-left\"><div class=\"title-sep sep- sep-solid\" style=\"border-color:#dd9933;\"><\/div><\/div><span class=\"awb-title-spacer\"><\/span><h1 class=\"fusion-title-heading title-heading-center fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:;--minFontSize:0;line-height:;\"><p style=\"text-align: center;\"><span style=\"color: #ff9900;\">Commentaires sur l&rsquo;objet photographi\u00e9<\/span><\/p><\/h1><span class=\"awb-title-spacer\"><\/span><div class=\"title-sep-container title-sep-container-right\"><div class=\"title-sep sep- sep-solid\" style=\"border-color:#dd9933;\"><\/div><\/div><\/div><div class=\"fusion-text fusion-text-1\"><p style=\"text-align: center;\"><img decoding=\"async\" class=\"size-thumbnail wp-image-2168 aligncenter\" src=\"http:\/\/outters.fr\/wp-content\/uploads\/2016\/06\/outters-nicolas-150x150.jpg\" alt=\"outters-nicolas\" width=\"150\" height=\"150\" srcset=\"https:\/\/www.outters.fr\/wp-content\/uploads\/2016\/06\/outters-nicolas-66x66.jpg 66w, https:\/\/www.outters.fr\/wp-content\/uploads\/2016\/06\/outters-nicolas-150x150.jpg 150w, https:\/\/www.outters.fr\/wp-content\/uploads\/2016\/06\/outters-nicolas.jpg 765w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/>Cette image a \u00e9t\u00e9 faite avec la lunette TEC140 et des poses unitaires de 30 mn.<\/p>\n<p style=\"text-align: center;\">L&rsquo;objet choisi est une id\u00e9e de Sakib Rasool qui me l&rsquo;a mis dans sa liste des objets \u00e0 faire. Sh2-91 est la partie la plus brillante d&rsquo;un r\u00e9manent de supernovae qui est immense et cette image n&rsquo;est qu&rsquo;une toute petite partie.<\/p>\n<p style=\"text-align: center;\">J&rsquo;ai choisi les filtre Ha et OIII\u00a0 en raison de la nature de l&rsquo;objet et de la raret\u00e9 de l&rsquo;image et pour un rendu plus naturel.<\/p>\n<\/div><div class=\"fusion-separator fusion-full-width-sep\" style=\"align-self: center;margin-left: auto;margin-right: auto;width:100%;\"><\/div><div class=\"fusion-content-boxes content-boxes columns row fusion-columns-3 fusion-columns-total-3 fusion-content-boxes-1 content-boxes-clean-horizontal content-left content-boxes-icon-on-side\" style=\"--awb-title-color:#dd9933;--awb-hover-accent-color:var(--awb-custom_color_4);--awb-circle-hover-accent-color:var(--awb-custom_color_4);\" data-animationOffset=\"top-into-view\"><div style=\"--awb-backgroundcolor:transparent;--awb-content-padding-left:46px;border-color:rgba(255,255,255,0);\" class=\"fusion-column content-box-column content-box-column content-box-column-1 col-lg-4 col-md-4 col-sm-4 fusion-content-box-hover content-box-column-first-in-row\"><div class=\"col content-box-wrapper content-wrapper link-area-link-icon link-type-text icon-hover-animation-fade\" data-animationOffset=\"top-into-view\"><div class=\"heading heading-with-icon icon-left\"><a class=\"heading-link\" href=\"http:\/\/outters.fr\/wp-content\/uploads\/2016\/07\/Sh2-91-HOO-rvb6.jpg\" target=\"_blank\" rel=\"noopener noreferrer\"><div class=\"icon\"><i style=\"border-color:#3e3e3e;border-width:1px;background-color:#3e3e3e;box-sizing:content-box;height:24px;width:24px;line-height:24px;border-radius:50%;font-size:12px;\" aria-hidden=\"true\" class=\"fontawesome-icon fa fa-arrows-alt circle-yes fa-spin\"><\/i><\/div><h2 class=\"content-box-heading fusion-responsive-typography-calculated\" style=\"--h2_typography-font-size:18px;--fontSize:18;line-height:;padding-left:46px;\">Image HOO-RVB<\/h2><\/a><\/div><\/div><\/div><div style=\"--awb-backgroundcolor:transparent;--awb-content-padding-left:46px;border-color:rgba(255,255,255,0);\" class=\"fusion-column content-box-column content-box-column content-box-column-2 col-lg-4 col-md-4 col-sm-4 fusion-content-box-hover \"><div class=\"col content-box-wrapper content-wrapper link-area-link-icon link-type-text icon-hover-animation-fade\" data-animationOffset=\"top-into-view\"><div class=\"heading heading-with-icon icon-left\"><a class=\"heading-link\" href=\"http:\/\/outters.fr\/wp-content\/uploads\/2016\/07\/Sh2-91-Ha.jpg\" target=\"_blank\" rel=\"noopener noreferrer\"><div class=\"icon\"><i style=\"border-color:#3e3e3e;border-width:1px;background-color:#3e3e3e;box-sizing:content-box;height:24px;width:24px;line-height:24px;border-radius:50%;font-size:12px;\" aria-hidden=\"true\" class=\"fontawesome-icon fa fa-arrows circle-yes fa-spin\"><\/i><\/div><h2 class=\"content-box-heading fusion-responsive-typography-calculated\" style=\"--h2_typography-font-size:18px;--fontSize:18;line-height:;padding-left:46px;\">Image Ha<\/h2><\/a><\/div><\/div><\/div><div style=\"--awb-backgroundcolor:transparent;--awb-content-padding-left:46px;border-color:rgba(255,255,255,0);\" class=\"fusion-column content-box-column content-box-column content-box-column-3 col-lg-4 col-md-4 col-sm-4 fusion-content-box-hover content-box-column-last content-box-column-last-in-row\"><div class=\"col content-box-wrapper content-wrapper link-area-link-icon link-type-text icon-hover-animation-fade\" data-animationOffset=\"top-into-view\"><div class=\"heading heading-with-icon icon-left\"><a class=\"heading-link\" href=\"http:\/\/outters.fr\/wp-content\/uploads\/2016\/07\/Sh2-91-o3.jpg\" target=\"_blank\" rel=\"noopener noreferrer\"><div class=\"icon\"><i style=\"border-color:#3e3e3e;border-width:1px;background-color:#3e3e3e;box-sizing:content-box;height:24px;width:24px;line-height:24px;border-radius:50%;font-size:12px;\" aria-hidden=\"true\" class=\"fontawesome-icon fa fa-arrows circle-yes fa-spin\"><\/i><\/div><h2 class=\"content-box-heading fusion-responsive-typography-calculated\" style=\"--h2_typography-font-size:18px;--fontSize:18;line-height:;padding-left:46px;\">Image OIII<\/h2><\/a><\/div><\/div><\/div><div class=\"fusion-clearfix\"><\/div><\/div><div class=\"fusion-title title fusion-title-3 fusion-title-center fusion-title-text fusion-title-size-two\" style=\"--awb-sep-color:#dd9933;\"><div class=\"title-sep-container title-sep-container-left\"><div class=\"title-sep sep- sep-solid\" style=\"border-color:#dd9933;\"><\/div><\/div><span class=\"awb-title-spacer\"><\/span><h2 class=\"fusion-title-heading title-heading-center fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:24;line-height:;\"><p style=\"text-align: left;\"><span style=\"color: #ff9900;\">Donn\u00e9es techniques<br \/>\n<\/span><\/p><\/h2><span class=\"awb-title-spacer\"><\/span><div class=\"title-sep-container title-sep-container-right\"><div class=\"title-sep sep- sep-solid\" style=\"border-color:#dd9933;\"><\/div><\/div><\/div><div class=\"fusion-content-boxes content-boxes columns row fusion-columns-2 fusion-columns-total-2 fusion-content-boxes-2 content-boxes-clean-horizontal content-left content-boxes-icon-on-side\" style=\"--awb-title-color:#dd9933;--awb-hover-accent-color:var(--awb-custom_color_4);--awb-circle-hover-accent-color:var(--awb-custom_color_4);\" data-animationOffset=\"top-into-view\"><div style=\"--awb-backgroundcolor:transparent;--awb-content-padding-left:46px;border-color:rgba(255,255,255,0);\" class=\"fusion-column content-box-column content-box-column content-box-column-1 col-lg-6 col-md-6 col-sm-6 fusion-content-box-hover content-box-column-first-in-row\"><div class=\"col content-box-wrapper content-wrapper link-area-link-icon icon-hover-animation-fade\" data-animationOffset=\"top-into-view\"><div class=\"heading heading-with-icon icon-left\"><div class=\"icon\"><i style=\"border-color:#3e3e3e;border-width:1px;background-color:#3e3e3e;box-sizing:content-box;height:24px;width:24px;line-height:24px;border-radius:50%;font-size:12px;\" aria-hidden=\"true\" class=\"fontawesome-icon fa fa-camera circle-yes\"><\/i><\/div><h2 class=\"content-box-heading fusion-responsive-typography-calculated\" style=\"--h2_typography-font-size:18px;--fontSize:18;line-height:;padding-left:46px;\">Donn\u00e9es techniques de prise de vue<\/h2><\/div><div class=\"fusion-clearfix\"><\/div><div class=\"content-container\">Object :Sh2-91<br \/>\nDate : images du 09\/06\/2016 au 08\/07\/2016<br \/>\nOptics :Tec140 F7<br \/>\nMount : Paramount ME Num\u00e9ro 2<br \/>\nLocation : Orange observatory<br \/>\nSeeing : fwhm de 2.45 \u00e0 3.76<br \/>\nCcd : Proline 16803<br \/>\nfilter wheel :FLI<br \/>\nfilters : Astrodon<br \/>\nSIIHaOIII<br \/>\nFocuser :Robofocus<br \/>\nGuiding : Atik 314L+<br \/>\nTemp. out : 20\u00b0<br \/>\nTemp ccd : -30<br \/>\nTotal exposure :\u00a0 26 h<br \/>\ntout en binning 1&#215;1<br \/>\n30 x 30&prime; Ha en rouge<br \/>\n19 x 30&prime; o3 en vert<\/p>\n<p>19 x 30&prime; o3 en bleu<\/p>\n<p>6 x 5&prime; pour chaque filtre R V B<\/div><\/div><\/div><div style=\"--awb-backgroundcolor:transparent;--awb-content-padding-left:46px;border-color:rgba(255,255,255,0);\" class=\"fusion-column content-box-column content-box-column content-box-column-2 col-lg-6 col-md-6 col-sm-6 fusion-content-box-hover content-box-column-last content-box-column-last-in-row\"><div class=\"col content-box-wrapper content-wrapper link-area-link-icon icon-hover-animation-fade\" data-animationOffset=\"top-into-view\"><div class=\"heading heading-with-icon icon-left\"><div class=\"icon\"><i style=\"border-color:#3e3e3e;border-width:1px;background-color:#3e3e3e;box-sizing:content-box;height:24px;width:24px;line-height:24px;border-radius:50%;font-size:12px;\" aria-hidden=\"true\" class=\"fontawesome-icon fa fa-joomla circle-yes\"><\/i><\/div><h2 class=\"content-box-heading fusion-responsive-typography-calculated\" style=\"--h2_typography-font-size:18px;--fontSize:18;line-height:;padding-left:46px;\">Donn\u00e9es scientifiques<\/h2><\/div><div class=\"fusion-clearfix\"><\/div><div class=\"content-container\">\n<table class=\"sinottico\">\n<tbody>\n<tr class=\"sinottico_divisione\">\n<th colspan=\"2\"><span class=\"notranslate\">observational data<\/span><br \/>\n<span class=\"notranslate\"> <small>( <a title=\"Epoch (astronomy)\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=en&amp;prev=search&amp;rurl=translate.google.fr&amp;sl=it&amp;u=https:\/\/it.wikipedia.org\/wiki\/Epoca_%28astronomia%29&amp;usg=ALkJrhi4Uy1WQ44_D6T8286HZKwJyziDnA\">Epoch<\/a> <a class=\"mw-redirect\" title=\"J2000\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=en&amp;prev=search&amp;rurl=translate.google.fr&amp;sl=it&amp;u=https:\/\/it.wikipedia.org\/wiki\/J2000&amp;usg=ALkJrhjXBHXLI1C5ADRYKrwdJzf9A36Dtg\">J2000<\/a> )<\/small><\/span><\/th>\n<\/tr>\n<tr>\n<th><span class=\"notranslate\"> <a title=\"Constellation\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=en&amp;prev=search&amp;rurl=translate.google.fr&amp;sl=it&amp;u=https:\/\/it.wikipedia.org\/wiki\/Costellazione&amp;usg=ALkJrhiOFLVBBjsm5cHOsLWXaxiBo3sgwA\">Constellation<\/a><\/span><\/th>\n<td><span class=\"notranslate\"> <a title=\"Cygnus (constellation)\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=en&amp;prev=search&amp;rurl=translate.google.fr&amp;sl=it&amp;u=https:\/\/it.wikipedia.org\/wiki\/Cigno_%28costellazione%29&amp;usg=ALkJrhjvSCJnC7aICB3GPAlP8sjO5okNYQ\">Swan<\/a><\/span><\/td>\n<\/tr>\n<tr>\n<th><span class=\"notranslate\"> <a title=\"right ascension\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=en&amp;prev=search&amp;rurl=translate.google.fr&amp;sl=it&amp;u=https:\/\/it.wikipedia.org\/wiki\/Ascensione_retta&amp;usg=ALkJrhju7cRPcpqXaUOUz71EvClHxR75Rw\">right ascension<\/a><\/span><\/th>\n<td><span class=\"notranslate\"> 19 <sup>h<\/sup> 39 <sup>m:<\/sup> <sup id=\"cite_ref-SIMBAD_1-0\" class=\"reference\"><a href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=en&amp;prev=search&amp;rurl=translate.google.fr&amp;sl=it&amp;u=https:\/\/it.wikipedia.org\/wiki\/Sh2-91&amp;usg=ALkJrhi4MxwNXIh_Lsl7nj601FzEwLmxzg#cite_note-SIMBAD-1\">[1]<\/a><\/sup><\/span><\/td>\n<\/tr>\n<tr>\n<th><span class=\"notranslate\"> <a title=\"Declination (astronomy)\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=en&amp;prev=search&amp;rurl=translate.google.fr&amp;sl=it&amp;u=https:\/\/it.wikipedia.org\/wiki\/Declinazione_%28astronomia%29&amp;usg=ALkJrhj3cDkn4HSrPx64QgQrORSw_2g1XQ\">Declination<\/a><\/span><\/th>\n<td><span class=\"notranslate\"> + 29 \u00b0 57 &lsquo;: <sup id=\"cite_ref-SIMBAD_1-1\" class=\"reference\"><a href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=en&amp;prev=search&amp;rurl=translate.google.fr&amp;sl=it&amp;u=https:\/\/it.wikipedia.org\/wiki\/Sh2-91&amp;usg=ALkJrhi4MxwNXIh_Lsl7nj601FzEwLmxzg#cite_note-SIMBAD-1\">[1]<\/a><\/sup><\/span><\/td>\n<\/tr>\n<tr>\n<th><span class=\"notranslate\"> <a class=\"mw-redirect\" title=\"galactic coordinates\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=en&amp;prev=search&amp;rurl=translate.google.fr&amp;sl=it&amp;u=https:\/\/it.wikipedia.org\/wiki\/Coordinate_galattiche&amp;usg=ALkJrhhyRveW2bEfW4cmOVBsh8HsW_g70A\">galactic coordinates<\/a><\/span><\/th>\n<td><span class=\"notranslate\"> l = 64.8;<\/span> <span class=\"notranslate\"> b = +03.9 <sup id=\"cite_ref-SIMBAD_1-2\" class=\"reference\"><a href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=en&amp;prev=search&amp;rurl=translate.google.fr&amp;sl=it&amp;u=https:\/\/it.wikipedia.org\/wiki\/Sh2-91&amp;usg=ALkJrhi4MxwNXIh_Lsl7nj601FzEwLmxzg#cite_note-SIMBAD-1\">[1]<\/a><\/sup><\/span><\/td>\n<\/tr>\n<tr>\n<th><span class=\"notranslate\"> <a title=\"astronomical distances\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=en&amp;prev=search&amp;rurl=translate.google.fr&amp;sl=it&amp;u=https:\/\/it.wikipedia.org\/wiki\/Distanze_astronomiche&amp;usg=ALkJrhhP9HyNpa8kdcNucB7WNcIoGkCjRQ\">Distance<\/a><\/span><\/th>\n<td><span class=\"notranslate\"> 2600 <a title=\"Light year\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=en&amp;prev=search&amp;rurl=translate.google.fr&amp;sl=it&amp;u=https:\/\/it.wikipedia.org\/wiki\/Anno_luce&amp;usg=ALkJrhg1cE4UmMbmTXpYIbUlnJczTqUjuA\">to<\/a> <sup id=\"cite_ref-Shelton2004_2-0\" class=\"reference\"><a href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=en&amp;prev=search&amp;rurl=translate.google.fr&amp;sl=it&amp;u=https:\/\/it.wikipedia.org\/wiki\/Sh2-91&amp;usg=ALkJrhi4MxwNXIh_Lsl7nj601FzEwLmxzg#cite_note-Shelton2004-2\">[2]<\/a><\/sup> <sup id=\"cite_ref-Xiao2009_3-0\" class=\"reference\"><a href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=en&amp;prev=search&amp;rurl=translate.google.fr&amp;sl=it&amp;u=https:\/\/it.wikipedia.org\/wiki\/Sh2-91&amp;usg=ALkJrhi4MxwNXIh_Lsl7nj601FzEwLmxzg#cite_note-Xiao2009-3\">[3]<\/a><\/sup><\/span><br \/>\n<span class=\"notranslate\"> (800 <a title=\"parsec\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=en&amp;prev=search&amp;rurl=translate.google.fr&amp;sl=it&amp;u=https:\/\/it.wikipedia.org\/wiki\/Parsec&amp;usg=ALkJrhjC2NexKuSIytU8szswuh4aKo0_RQ\">pc<\/a> ) <sup id=\"cite_ref-Shelton2004_2-1\" class=\"reference\"><a href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=en&amp;prev=search&amp;rurl=translate.google.fr&amp;sl=it&amp;u=https:\/\/it.wikipedia.org\/wiki\/Sh2-91&amp;usg=ALkJrhi4MxwNXIh_Lsl7nj601FzEwLmxzg#cite_note-Shelton2004-2\">[2]<\/a><\/sup> <sup id=\"cite_ref-Xiao2009_3-1\" class=\"reference\"><a href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=en&amp;prev=search&amp;rurl=translate.google.fr&amp;sl=it&amp;u=https:\/\/it.wikipedia.org\/wiki\/Sh2-91&amp;usg=ALkJrhi4MxwNXIh_Lsl7nj601FzEwLmxzg#cite_note-Xiao2009-3\">[3]<\/a><\/sup><\/span><\/td>\n<\/tr>\n<tr>\n<th><span class=\"notranslate\"> <a title=\"apparent magnitude\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=en&amp;prev=search&amp;rurl=translate.google.fr&amp;sl=it&amp;u=https:\/\/it.wikipedia.org\/wiki\/Magnitudine_apparente&amp;usg=ALkJrhi_bps-Wsz1o9EZkEZA_Zx8RzMbkA\">Apparent magnitude<\/a> <small title=\"visible light\">(V)<\/small><\/span><\/th>\n<td><span class=\"notranslate\"> &#8211;<\/span><\/td>\n<\/tr>\n<tr>\n<th><span class=\"notranslate\"> Apparent size <small title=\"visible light\">(V)<\/small><\/span><\/th>\n<td><span class=\"notranslate\"> 120 &lsquo;x 20&rsquo;<\/span><\/td>\n<\/tr>\n<tr class=\"sinottico_divisione\">\n<th colspan=\"2\"><span class=\"notranslate\"> Physical characteristics<\/span><\/th>\n<\/tr>\n<tr>\n<th><span class=\"notranslate\"> Type<\/span><\/th>\n<td><span class=\"notranslate\"> <a title=\"supernova rest\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=en&amp;prev=search&amp;rurl=translate.google.fr&amp;sl=it&amp;u=https:\/\/it.wikipedia.org\/wiki\/Resto_di_supernova&amp;usg=ALkJrhh_fP5w2TyO0May1r5kBXYYAQjZcA\">Supernova rest<\/a><\/span><\/td>\n<\/tr>\n<tr>\n<th><span class=\"notranslate\"> Class<\/span><\/th>\n<td><span class=\"notranslate\"> 3 3 2 <sup id=\"cite_ref-Sharpless_4-0\" class=\"reference\"><a href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=en&amp;prev=search&amp;rurl=translate.google.fr&amp;sl=it&amp;u=https:\/\/it.wikipedia.org\/wiki\/Sh2-91&amp;usg=ALkJrhi4MxwNXIh_Lsl7nj601FzEwLmxzg#cite_note-Sharpless-4\">[4]<\/a><\/sup><\/span><\/td>\n<\/tr>\n<tr>\n<th><span class=\"notranslate\"> dimensions<\/span><\/th>\n<td><span class=\"notranslate\"> 102.4 <a title=\"Light year\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=en&amp;prev=search&amp;rurl=translate.google.fr&amp;sl=it&amp;u=https:\/\/it.wikipedia.org\/wiki\/Anno_luce&amp;usg=ALkJrhg1cE4UmMbmTXpYIbUlnJczTqUjuA\">to<\/a><\/span><br \/>\n<span class=\"notranslate\"> (31.4 <a title=\"parsec\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=en&amp;prev=search&amp;rurl=translate.google.fr&amp;sl=it&amp;u=https:\/\/it.wikipedia.org\/wiki\/Parsec&amp;usg=ALkJrhjC2NexKuSIytU8szswuh4aKo0_RQ\">pc<\/a> )<\/span><\/td>\n<\/tr>\n<tr>\n<th><span class=\"notranslate\"> Outstanding features<\/span><\/th>\n<td><span class=\"notranslate\"> part of <a title=\"G65.2 + 5.7\" href=\"https:\/\/it.wikipedia.org\/wiki\/G65.2%2B5.7\">G65.2 + 5.7<\/a><\/span><\/td>\n<\/tr>\n<tr class=\"sinottico_divisione\">\n<th colspan=\"2\"><span class=\"notranslate\"> other designations<\/span><\/th>\n<\/tr>\n<tr>\n<td colspan=\"2\"><span class=\"notranslate\"> <a title=\"Lynds of catalogs\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=en&amp;prev=search&amp;rurl=translate.google.fr&amp;sl=it&amp;u=https:\/\/it.wikipedia.org\/wiki\/Cataloghi_di_Lynds&amp;usg=ALkJrhjqukYQWwlcC-0QCHzRhjIk5_YSbg\">LBN<\/a> 147 <sup id=\"cite_ref-SIMBAD_1-3\" class=\"reference\"><a href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=en&amp;prev=search&amp;rurl=translate.google.fr&amp;sl=it&amp;u=https:\/\/it.wikipedia.org\/wiki\/Sh2-91&amp;usg=ALkJrhi4MxwNXIh_Lsl7nj601FzEwLmxzg#cite_note-SIMBAD-1\">[1]<\/a><\/sup><\/span><\/p>\n<p><span class=\"notranslate\"><b><a title=\"Sharpless catalog\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=en&amp;prev=search&amp;rurl=translate.google.fr&amp;sl=it&amp;u=https:\/\/it.wikipedia.org\/wiki\/Catalogo_Sharpless&amp;usg=ALkJrhgbAD1KvbW2JwFACFSoUdwE8vzHDQ\">Sh2<\/a> -91<\/b> is a faint <a title=\"Emission nebula\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=en&amp;prev=search&amp;rurl=translate.google.fr&amp;sl=it&amp;u=https:\/\/it.wikipedia.org\/wiki\/Nebulosa_a_emissione&amp;usg=ALkJrhhQs_u2WIZyXWraHls0oyB2VcZ85Q\">emission nebula<\/a> visible in the <a title=\"Constellation\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=en&amp;prev=search&amp;rurl=translate.google.fr&amp;sl=it&amp;u=https:\/\/it.wikipedia.org\/wiki\/Costellazione&amp;usg=ALkJrhiOFLVBBjsm5cHOsLWXaxiBo3sgwA\">constellation<\/a> of <a title=\"Cygnus (constellation)\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=en&amp;prev=search&amp;rurl=translate.google.fr&amp;sl=it&amp;u=https:\/\/it.wikipedia.org\/wiki\/Cigno_%28costellazione%29&amp;usg=ALkJrhjvSCJnC7aICB3GPAlP8sjO5okNYQ\">Cygnus<\/a> .<\/span><\/p>\n<p><span class=\"notranslate\"> The cloud is identified about 1 \u00b0 north of the famous <a class=\"mw-redirect\" title=\"double Beam\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=en&amp;prev=search&amp;rurl=translate.google.fr&amp;sl=it&amp;u=https:\/\/it.wikipedia.org\/wiki\/Doppia_ottica&amp;usg=ALkJrhhuCrG8DP6yyPohyTyE17AYBQzcXg\">optical double<\/a> <a title=\"Albireo (astronomy)\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=en&amp;prev=search&amp;rurl=translate.google.fr&amp;sl=it&amp;u=https:\/\/it.wikipedia.org\/wiki\/Albireo_%28astronomia%29&amp;usg=ALkJrhjjg-HqAOOV00veFBLUT2T-xfi9sQ\">Albireo<\/a> , a <a title=\"Star\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=en&amp;prev=search&amp;rurl=translate.google.fr&amp;sl=it&amp;u=https:\/\/it.wikipedia.org\/wiki\/Stella&amp;usg=ALkJrhjp8xAtZ717henV_y7EQVHLW6kmtg\">star<\/a> of the third <a title=\"apparent magnitude\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=en&amp;prev=search&amp;rurl=translate.google.fr&amp;sl=it&amp;u=https:\/\/it.wikipedia.org\/wiki\/Magnitudine_apparente&amp;usg=ALkJrhi_bps-Wsz1o9EZkEZA_Zx8RzMbkA\">magnitude<\/a> visible even from urban centers;<\/span> <span class=\"notranslate\"> Despite its vast size, Sh2-91 is very weak and his observation is extremely difficult, as well as its shooting, which can be made through the use of special filters.<\/span> <span class=\"notranslate\"> The best time for your observation in the evening sky from June to December, especially from the boreal regions.<\/span><\/p>\n<p><span class=\"notranslate\"> Sh2-91 is the southern strand and most extensive of the <a title=\"supernova rest\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=en&amp;prev=search&amp;rurl=translate.google.fr&amp;sl=it&amp;u=https:\/\/it.wikipedia.org\/wiki\/Resto_di_supernova&amp;usg=ALkJrhh_fP5w2TyO0May1r5kBXYYAQjZcA\">supernova remnant<\/a> <a title=\"G65.2 + 5.7\" href=\"https:\/\/it.wikipedia.org\/wiki\/G65.2%2B5.7\">G65.2 + 5.7<\/a> , located about 800 <a title=\"parsec\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=en&amp;prev=search&amp;rurl=translate.google.fr&amp;sl=it&amp;u=https:\/\/it.wikipedia.org\/wiki\/Parsec&amp;usg=ALkJrhjC2NexKuSIytU8szswuh4aKo0_RQ\">parsecs<\/a> (2,600 <a class=\"mw-redirect\" title=\"Light years\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=en&amp;prev=search&amp;rurl=translate.google.fr&amp;sl=it&amp;u=https:\/\/it.wikipedia.org\/wiki\/Anni_luce&amp;usg=ALkJrhj11RoHeXrz8FoeaS1jN_WA85YRyg\">light years<\/a> ) from the <a title=\"Solar system\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=en&amp;prev=search&amp;rurl=translate.google.fr&amp;sl=it&amp;u=https:\/\/it.wikipedia.org\/wiki\/Sistema_solare&amp;usg=ALkJrhgqBbUFZZgzgE3Ds0vjoxmYlpK46g\">Solar System<\/a> in a galactic region rich in dense <a title=\"molecular cloud\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=en&amp;prev=search&amp;rurl=translate.google.fr&amp;sl=it&amp;u=https:\/\/it.wikipedia.org\/wiki\/Nube_molecolare&amp;usg=ALkJrhg65bleDitOKNImqKoisv9rgw4_XA\">molecular clouds<\/a> , on which stands the great <a title=\"Cleavage of the Swan\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=en&amp;prev=search&amp;rurl=translate.google.fr&amp;sl=it&amp;u=https:\/\/it.wikipedia.org\/wiki\/Fenditura_del_Cigno&amp;usg=ALkJrhiFWDG1HtOU0r2CepjFkjOms-faGA\">Fissure of swan<\/a> ;<\/span> <span class=\"notranslate\"> G65.2 + 5.7 is in fact a <a title=\"super-bubble\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=en&amp;prev=search&amp;rurl=translate.google.fr&amp;sl=it&amp;u=https:\/\/it.wikipedia.org\/wiki\/Superbolla&amp;usg=ALkJrhjOL1IjSuiRijJVFf1PpwUNUZBmMQ\">super-bubble<\/a> extended for about 180 parsecs and placed 80 parsecs north of the <a class=\"mw-redirect\" title=\"galactic plane\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=en&amp;prev=search&amp;rurl=translate.google.fr&amp;sl=it&amp;u=https:\/\/it.wikipedia.org\/wiki\/Piano_galattico&amp;usg=ALkJrhgwFseiXTA6nWNFckVilyB_isk2-Q\">galactic plane<\/a> . <sup id=\"cite_ref-Xiao2009_3-2\" class=\"reference\"><a href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=en&amp;prev=search&amp;rurl=translate.google.fr&amp;sl=it&amp;u=https:\/\/it.wikipedia.org\/wiki\/Sh2-91&amp;usg=ALkJrhi4MxwNXIh_Lsl7nj601FzEwLmxzg#cite_note-Xiao2009-3\">[3]<\/a><\/sup> Sh2-91 shows a strong <a class=\"mw-disambig\" title=\"Polarization\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=en&amp;prev=search&amp;rurl=translate.google.fr&amp;sl=it&amp;u=https:\/\/it.wikipedia.org\/wiki\/Polarizzazione&amp;usg=ALkJrhhpoCZcYrYX36UWQPKMyydcepsyZA\">bias<\/a> , indicates the presence of a strong <a title=\"Magnetic field\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=en&amp;prev=search&amp;rurl=translate.google.fr&amp;sl=it&amp;u=https:\/\/it.wikipedia.org\/wiki\/Campo_magnetico&amp;usg=ALkJrhhz_Z1hiO-gMFG5T0JJblF9f34gng\">magnetic field<\/a> <\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div><\/div><\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-4 fusion_builder_column_1_1 1_1 fusion-flex-column fusion-flex-align-self-flex-start fusion-column-no-min-height\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-separator fusion-full-width-sep\" style=\"align-self: center;margin-left: auto;margin-right: auto;margin-top:30px;margin-bottom:30px;width:100%;\"><div class=\"fusion-separator-border sep-shadow\" style=\"--awb-height:20px;--awb-amount:20px;background:radial-gradient(ellipse at 50% -50% , #3e3e3e 0px, rgba(255, 255, 255, 0) 80%) repeat scroll 0 0 rgba(0, 0, 0, 0);background:-webkit-radial-gradient(ellipse at 50% -50% , #3e3e3e 0px, rgba(255, 255, 255, 0) 80%) repeat scroll 0 0 rgba(0, 0, 0, 0);background:-moz-radial-gradient(ellipse at 50% -50% , #3e3e3e 0px, rgba(255, 255, 255, 0) 80%) repeat scroll 0 0 rgba(0, 0, 0, 0);background:-o-radial-gradient(ellipse at 50% -50% , #3e3e3e 0px, rgba(255, 255, 255, 0) 80%) repeat scroll 0 0 rgba(0, 0, 0, 0);\"><\/div><\/div><\/div><\/div><\/div><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":3528,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"image","meta":{"footnotes":""},"categories":[102,107,114,122,126,152,238,392],"tags":[],"class_list":["post-3529","post","type-post","status-publish","format-image","has-post-thumbnail","hentry","category-nebuleuse","category-lunette-tec140","category-sharpless","category-haoiii-rvb","category-observatoire-dorange","category-toutes-categories","category-saison-2016","category-snr-d-a-green","post_format-post-format-image"],"_links":{"self":[{"href":"https:\/\/www.outters.fr\/index.php?rest_route=\/wp\/v2\/posts\/3529","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.outters.fr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.outters.fr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.outters.fr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.outters.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3529"}],"version-history":[{"count":6,"href":"https:\/\/www.outters.fr\/index.php?rest_route=\/wp\/v2\/posts\/3529\/revisions"}],"predecessor-version":[{"id":6935,"href":"https:\/\/www.outters.fr\/index.php?rest_route=\/wp\/v2\/posts\/3529\/revisions\/6935"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.outters.fr\/index.php?rest_route=\/wp\/v2\/media\/3528"}],"wp:attachment":[{"href":"https:\/\/www.outters.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3529"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.outters.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3529"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.outters.fr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3529"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}