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IC 443 - Gemini
Narrow-Band SII-Ha-OIII Mapped Colors image of the nebula IC443.
This image is the combination of two different sets of narrow band FITs taken respectively on 2010 and 2011.
From Astrobrallo: 8x30'=240' Ha
From Fano Observatory (AN): SII-OIII 100'-100'
Authors: F.Antonucci-M.Angelini