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m_figenwald | all galleries >> Galleries >> STL 11000M > SH2-91, Halpha 3nm
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27-JUL-2012 martial figenwald

SH2-91, Halpha 3nm

Coupole Melipal

Situé près de bèta cygne, Sharpless2-91 est un rémanant de supernova distant de 900Parsec.

32poses de 30mn avec filtre Astrodon 3nm 50mm, caméra SBIG STL 11002M sur téléscope Takahashi Epsilon 160/530mm, monture Takahashi EM 500/FS2, SQM entre 18.5 et 18.9, TA entre 14°C et 25°C, caméra température -25°C, refroidissement par eau, traitement Image Plus 3.8 hide exif
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Date/Time27-Jul-2012 18:36:28
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