Western Veil

Crop of flic.kr/p/2oZQ87j

 

Western Veil is a part of the Cygnus Loop, a large supernova remnant (SNR) in the constellation Cygnus.

This nebula is located aroud 2400 light years from Earth 😮

 

Full resolution on www.astrobin.com/77ml6b/0/

 

Ha= 64x300s

Oii= 62x300s

R=15x30s

G=12x30s

B=12x30s

 

Total time : 10h49'

 

-Pre Processing-

Image Calibration

Cosmetic Correction

Debayer

Subframe Selector

Star Alignement

Local Normalization

Image Integration

Drizzle x2

 

-Processing-

 

Star Alignment

Dynamic Crop

Dynamic Background Extractor

Linear Fit Oii to Ha

 

___L layer___Ha

BlurXterminator

NoiseXterminator

EZ Soft Stretch

 

___RGB layer___SHO

EZ Soft Stretch Oiii

Combine Ha and Oiii in Pixel Math (ForaxX palette)

R=(Oiii^~Oiii)*Sii + ~(Oiii^~Oiii)*Ha

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

B=Oiii

CurveTransformation

Color Saturation

Final Curves

NoiseXterminator

Save as JPEG

 

Clear skies !

Done