The Wizard Nebula- NGC7380

Clear night ! Let's go for the wizard nebula

The Wizard Nebula or NGC7860 is a emission nebula at a distance approximatly 85 000 light years from the sun.

The nebula spend ~20 light-years with an elongated shape and an extended tail.

Age estimates range from 4 to 11.9 million years

Feel free to ask a question and all criticism are welcome 👍

 

-Equipment-

Scope: TS-Optics 94/414 EPDH (414mm focal)

Camera: ZWO ASI533MC Pro at -5°C

Guiding: ZWO OAG

Guiding camera: ZWO ASI 120MM

Mount: Skywatcher EQ5

Filter: Optrolong L-eXtreme

 

-Acquisition-

Light :151x300s ( 12,6h ) at Gain:101 Offset:49

Dark-100x300s Flat-30 Bias-100

Date : Take on 2 night 2/3 september 2021

Location : France-Alsace Bortle 4/5

 

-Software-

Carte du Ciel, N.I.N.A, Phd2 , PoleMaster and PixInsight

 

-Pre Processing in PixInsight-

Image Calibration

Cosmetic Correction

Debayer

Subframe Selector

Star Alignement

Local Normalization

Drizzle x2

 

Crop the black bands from the stacking

 

-Processing

 

DynamicBackgroundExtractor

 

RGB layer

Split RGB channels

Ha=R Oiii= B*0.3+G*0.7

EZ_Soft Stretch

HOO combination with Foraxx formula

R=Ha

G=((Oiii*Ha)^~(Oiii*Ha))*Ha + ~((Oiii*Ha)^~(Oiii*Ha))*Oiii

B=Oiii

Starnet++ for remove stars and build a mask nebula

Color Saturation

Curves Tansformation (K,saturation,hue)

Saturate stars for push up stars color

SCNR with star Mask for remove green stars

Bring back the stars with PixelMath

 

L layer

Ez_Denoise

Ez_Soft Stretch

Local Histogram Equalization with nebula mask

UnsharpedMask with nebula mask

 

LRGB

Final Curve Transformation

EZ_Star Reduction

 

Save as BMP 32bit file

 

Clear skies !

Done