Image of the day 01/15/2014

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Technical card

Imaging telescope or lens: Canon EF 200mm f/2.8 L

Imaging camera: SBIG STL-11000

Guiding telescope or lens: Canon EF 200mm f/2.8 L

Guiding camera: SBIG STL-11000

Software: PixInsightCCDSoft

Filter: Baader Planetarium LRGB Filter Set

Resolution: 1991x1322

Dates: Dec. 30, 2013

Frames: Baader Planetarium LRGB Filter Set: 39x240" bin 1x1

Integration: 2.6 hours

Darks: ~26

Flats: ~59

Bias: ~51

Avg. Moon age: 26.70 days

Avg. Moon phase: 8.78%

Mean SQM: 21.50 job: 161117

RA center: 76.888 degrees

DEC center: -8.113 degrees

Pixel scale: 19.071 arcsec/pixel

Orientation: -179.548 degrees

Field radius: 6.332 degrees


Title: IC2118 in Eri
Optic: Canon EF200f2.8 at f/2.8
Filter: Baader 50mm LRGB
Camera: SBIG STL11000M C2 at -20°C, selfguiding
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




Sky plot

Sky plot


 Witch Head Nebula, starhopper

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