Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  Cigar Galaxy  ·  M 82  ·  NGC 3034
M82 - Cigar Galaxy, Kyle Butler
M82 - Cigar Galaxy
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M82 - Cigar Galaxy

M82 - Cigar Galaxy, Kyle Butler
M82 - Cigar Galaxy
Powered byPixInsight

M82 - Cigar Galaxy

Equipment

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Acquisition details

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Description

Exposure Details

20x 300s Ha (111 gain, 10 offset, bin 1x1)

175x 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)

5.2 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

MultiscaleLinearTransform noise reduction on each channel with luminance mask

Combined RGB using ChannelCombination

Stretched RGB, L, and Ha to non-linear using HistogramTransformation

Added L to RGB using LRGBCombination with Chrominance noise reduction enabled

Added Ha using NBRGBCombination script

CurvesTransformation

Final noise reduction and local contrast enhancement in Photoshop

Comments

Sky plot

Sky plot

Histogram

M82 - Cigar Galaxy, Kyle Butler