Celestial hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  IC 5070  ·  Pelican Nebula  ·  The star 56Cyg  ·  The star 57Cyg
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Pelican Nebula, Michael Vincent
Pelican Nebula
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Pelican Nebula

Getting plate-solving status, please wait...
Pelican Nebula, Michael Vincent
Pelican Nebula
Powered byPixInsight

Pelican Nebula

Equipment

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Acquisition details

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Description

---Capture---
117 Ha at 300s, 200 gain 50 offset
178 O3 at 300s, 200 gain 50 offset
Bortle 7 suburban zone

---Calibration---
50 darks    300s    -15deg
25  Ha flats    .20s    -15deg
25  O3 flats    .20s    -15deg
50 dark flats    .20s    -15deg

---Registration---
SubframeSelector Weighting on each filter using Aggressive FWHM formula
https://drive.google.com/file/d/0B2J4InZni9UrTW13bWRUZEZla1U/view?resourcekey=0-f7ZHGViEUz5trtD0CxMAHw
Register on highest weighted Ha_0058

---Integration---
Weight with SSWEIGHT
Biweight midvariance
Generate drizzle data
Winsorized Sigma Clipping

2x Drizzle Integration

---Linear processing---
Crop each channel
DynamicBackgroundExtraction on each channel
LinearFit O3 to Ha
Combine with PixelMath, RGB={Ha;0.6*Ha+0.4*O3;O3}
Invert, SCNR to remove Green, Invert

Use Ha as synthetic luminance ( "Ha_Lum" )
EZ Deconvolution
EZ Denoise

---Non-Linear processing---
Stretch RGB image
Stretch Ha_Lum
Linearfit Ha_Lum to extracted Lum of RGB image
LRGB combination + chrominance noise reduction
Stretch
StarNet to remove stars; saturate stars
Extract luminance of starless image for mask; Curves on RGB
Various ColorMasks; Curves
PixelMath to add stars back

Comments