{"id":3811,"date":"2016-07-26T16:53:18","date_gmt":"2016-07-26T15:53:18","guid":{"rendered":"http:\/\/outters.fr\/?p=3811"},"modified":"2025-07-15T17:04:13","modified_gmt":"2025-07-15T16:04:13","slug":"sh2-227","status":"publish","type":"post","link":"https:\/\/www.outters.fr\/?p=3811","title":{"rendered":"Sh2-227"},"content":{"rendered":"

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Sharpless 227<\/strong>
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Commentaires sur l’objet photographi\u00e9<\/span><\/p><\/h1><\/span>

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\"outters-nicolas\"Le SV400 commence \u00e0 tourner, le miroir primaire a \u00e9t\u00e9 chang\u00e9 et il s’agit maintenant d’un Sky Vision 16″ tout neuf ouvert \u00e0 4, le correcteur le ram\u00e8ne \u00e0 3,8. La CCD est une Moravian G4 16803.
\nL’assemblage m\u00e9canique n’a pas \u00e9t\u00e9 simple, encore quelques r\u00e9glages de tilt \u00e0 finir mais l’essentiel est l\u00e0.
\nLe gros avantage de ce tube est sa capacit\u00e9 \u00e0 capter les photons. plus besoin de 40 ou 50 heures de pose mais 6 \u00e0 10 heures sont n\u00e9cessaires pour obtenir le m\u00eame r\u00e9sultat sinon mieux ! que dire ? ben c’est moins frustrant au moins et surtout \u00e7a ouvre les portes \u00e0 la chasse aux objets tr\u00e8s faibles.<\/p>\n

Pour commencer je vous pr\u00e9sente le rare Sharpless 227 en Narrowband , d’ailleurs pas encore vu et j’ai compris pourquoi vu les brutes !
\nDonc ne vous attendez pas \u00e0 voir un truc tr\u00e8s p\u00eachu !<\/p>\n

Vous pourrez apercevoir \u00e9galement en haut \u00e0 droite deux p\u00e9chouilles de part et d’autre de l’\u00e9toile orange. Celle de gauche n’a rien d’une NP, l’autre \u00e0 droite ressemble \u00e0 un petit objet genre mini OU4 ou bien un Herbig-Haro, celui ci est visible sur les DDS red et DSS bleu et en plus dans l’infraroure Wise 3.
\nJ’ai envoy\u00e9 les coordonn\u00e9es \u00e0 Agn\u00e8s Acker pour v\u00e9rifier tout \u00e7a !
\nEn tout cas sur Aladin je n’ai aucune info suppl\u00e9mentaire.<\/p>\n<\/div>

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Image SHO<\/h2><\/a><\/div><\/div><\/div>
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Donn\u00e9es techniques
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Donn\u00e9es techniques de prise de vue<\/h2><\/div>
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Object :Sh2-227
\nDate : images du 21-12-2014 au 25-12-2014
\nOptics : Newton SV400 F3,8
\nMount : Paramount ME Num\u00e9ro 1
\nLocation : Orange observatory
\nSeeing : FWHM de 2.43 \u00e0 3.47 arc sec
\nCcd : Moravian G4
\nfilter wheel : Moravian
\nfilters : Astrodon SII Ha OIII
\nFocuser :Atlas
\nGuiding : Atik 314L+
\nTemp. out : de 6\u00b0 \u00e0 10\u00b0
\nTemp ccd : -25\u00b0
\nTotal exposure : 9h
\ntout en binning 1×1
\nHa : 27 poses de 10′
\no3 :11 poses de 10′
\ns2 : 16 poses de 10′<\/div><\/div><\/div>
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Donn\u00e9es scientifiques<\/h2><\/div>
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http:\/\/www.sharplesscatalog.com\/sharpless\/SH2-227.aspx<\/div><\/div><\/div>
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