Celestial hemisphere:  Northern  ·  Constellation: Taurus (Tau)  ·  Contains:  M 1  ·  NGC 1952
M1 - Crab Nebula, Kyle Butler
M1 - Crab Nebula
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M1 - Crab Nebula

M1 - Crab Nebula, Kyle Butler
M1 - Crab Nebula
Powered byPixInsight

M1 - Crab Nebula

Equipment

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Acquisition details

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Description

Exposure Details

180x 60s L (53 gain, 10 offset, bin 1x1)

40x 20s R (53 gain, 10 offset, bin 2x2)

40x 20s G (53 gain, 10 offset, bin 2x2)

40x 20s B (53 gain, 10 offset, bin 2x2)

3.7 hours total integration time

Processing

Processed each channel individually

Frames calibrated and stacked in PixInsight, drizzle 2x

DynamicCrop to trim borders from dithering

DynamicBackgroundExtraction on each channel

Deconvolution on Luminance channel

EZ Processing Suite EZDenoise on each channel

Combined RGB using ChannelCombination

BackgroundNeutralization, ColorCalibration, and SCNR on RGB image

Stretched RGB to non-linear using MaskedStretch

Stretched L to non-linear using HistogramTransformation

Added L to RGB using LRGBCombination with Chrominance noise reduction enabled

ColorSaturation with masking

CurvesTransformation

Final noise reduction and local contrast enhancement in Photoshop

Comments

Sky plot

Sky plot

Histogram

M1 - Crab Nebula, Kyle Butler