In total 13 hours and 20 minutes of RGBHa frames, both 120s and 180s went into this picture. You can just about see the external halo surrounding the galaxy itself, and details in as well the core as in the spiral arms. Esprit120, ASI183mm, Baader HaRGB.
This picture shows the well-know classic object of the Dumbell nebula, or M27. I could image this object for more then 10 hours on several clear nights lately, with 8 hours of H-Alpha narrowband (7nm) and 2 hours of RGB.
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