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m_figenwald | all galleries >> Galleries >> ATIK 460EX > Ngc 281, zoom sur l'étoile centrale quadruple BU1 Cassiopeia
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24-SEP-2013 martial figenwald

Ngc 281, zoom sur l'étoile centrale quadruple BU1 Cassiopeia

coupole melipal

Séparation 1"4, 3"8 et 8"9 entre les composants ABCD, magnitudes 8.58 à 9.68
Image brute avant traitement DDP

Takahashi Mewlon 250/2500 sur em 500/FS, 15x30mn, filtre Halpha Astrodon 5nm, lune à 70%
Taille 200% originale full exif

other sizes: small medium original auto
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