Image of the day 01/15/2014

    Witch Head Nebula, starhopper

    Witch Head Nebula

    Image of the day 01/15/2014

      Witch Head Nebula, starhopper

      Witch Head Nebula

      Equipment

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      Acquisition details

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      Description

      Title: IC2118 in Eri

      Optic: Canon EF200f2.8 at f/2.8

      Filter: Baader 50mm LRGB

      Camera: SBIG STL11000M C2 at -20°C, selfguiding

      Exposures:

      L 21x4min (12 true L, 9xL from RGB);

      RGB 36:36:36min, subexposure 4min,

      26x Darks, 51x Bias, 59x Sky Flat

      Location: Saharasky, Marocco

      Date: 2013-11-30

      Preprocessing Pixinsight:

      Image Calibration, CosmeticCorrection, StarAlignment, Image Integration, RGB STF-Stretching, L masked stretch script, L-RGB combination, histogramm, MT

      PS: color enhancement, remove gradients, histogram, curves, minimum filter, cosmetic correction on Rigel

      Comments

      Histogram

      Witch Head Nebula, starhopper