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