Celestial hemisphere:  Northern  ·  Constellation: Auriga (Aur)  ·  Contains:  NGC 1893
NGC 1893 - Tadpoles Nebula, Kyle Butler
NGC 1893 - Tadpoles Nebula
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NGC 1893 - Tadpoles Nebula

NGC 1893 - Tadpoles Nebula, Kyle Butler
NGC 1893 - Tadpoles Nebula
Powered byPixInsight

NGC 1893 - Tadpoles Nebula

Equipment

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Acquisition details

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Description

Exposure Details

20x 300s Ha (111 Gain, 10 Offset, Bin 1x1)

20x 300s SII (111 Gain, 10 Offset, Bin 1x1)

20x 300s OIII (111 Gain, 10 Offset, Bin 1x1)

50x Darks and flats for calibration

5 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

Stretched each channel to non-linear using HistogramTransformationFunction

TGVDenoise on each channel

Combined into RGB image using PixelMath (Red = SII, Green = Ha, Blue = OIII)

ColorSaturation in hue mode for color palette tweaks

CurvesTransformation

Noise reduction and local contrast enhancement in photoshop

Comments

Sky plot

Sky plot

Histogram

NGC 1893 - Tadpoles Nebula, Kyle Butler