IC 434 - Horsehead Nebula (Starless), Kyle Butler

IC 434 - Horsehead Nebula (Starless)

IC 434 - Horsehead Nebula (Starless), Kyle Butler

IC 434 - Horsehead Nebula (Starless)

Equipment

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Acquisition details

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Description

Exposure Details

30x 300s Ha (111 Gain, 10 Offset, Bin 1x1)

10x 300s OIII (111 Gain, 10 Offset, Bin 1x1)

50x Darks and flats for calibration

3.3 hours total integration time

Processing

Processed each channel individually

Frames calibrated and stacked in PixInsight, drizzle 2x

DynamicCrop to remove border from dithering

DynamicBackgroundExtraction on each channel

Deconvolution on each channel

Stretched each channel to non-linear using HistogramTransformationFunction

TGVDenoise on each channel

Combined into RGB image using PixelMath (Red = OIII, Green = OIII*0.2 + Ha*0.8, Blue = Ha)

CurvesTransformation

Noise reduction and local contrast enhancement in photoshop

Clone stamp w/ healing brush in photoshop for star removal

Comments

Histogram

IC 434 - Horsehead Nebula (Starless), Kyle Butler