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Nébuleuse du homard (SH2-157)


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Un champ sympa du homard avec la bulle et un rémanent de supernova tout bleu à gauche (répondant au doux nom de G111.7-02.1 dans le catalogue Chandra SNR).

J'ai galéré à la traiter et je ne suis pas très content du résultat (rouge très bruité notamment).

20201112_SH2_157_38x300s_55d_gain100_-20C_LX2_GIMP.thumb.png.425fe83f450a6bc391183fc4d7f54b18.png

38x300s (3h10) / 55 darks.

TS 76EDPH
ASI2600MC: gain=100 / T= -20°C
Optolong L-eXtreme

Autoguidage DO / ASI290MM mini
Traitement Siril et GIMP.

 

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