LBN 552 and LDN 1228 dark nebulae in Cepheus. The dark nebulas are very faint and part of a larger dark molecular complex.
The image is a result of two-panels mosaic composed of L 413x60s and R/G/B 130x60s for a total of 9hrs of integration each panel
High resolution here
Processing details
Pixinsight
- Calibration, weighting, alignment, integration (drizzle integration vark 1.5), crop, Integer downsample 2x
- ABE
- ImageSolve, MosaicbyCoordinates, dnaLinearFit, GradientMergeMosaic
LUM
- EzDenoise
- HT stretch
- EZStarReduction
- Enhance nebulosity
- LHE
RGB
- EzDenoise
- ChannelCombination
- Arcinh + HT stretch
- LRGB combination with LUM
Photoshop
- Enhanced saturation and contrast
- various curves, contrast and color adjustments with masks
