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Contains:  PK077+14.1
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Abell 61 RGB O-III H-Alpha, 



    
        

            jerryyyyy
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Abell 61 RGB O-III H-Alpha

Technical card


Dates:June 23, 2020

Frames:
Astrodon 3nm OIII 31mm: 8x1800"
Astrodon Blue Tru-Balance E-Series Gen 2: 15x240" bin 1x1
Astrodon Green Tru-Balance E-Series Gen 2: 15x236"
Astrodon H-alpha 5nm: 8x1800"
Astrodon Red Tru-Balance E-Series Generation 2: 15x240" bin 1x1

Integration: 11.0 hours

Avg. Moon age: 2.25 days

Avg. Moon phase: 5.62%


Astrometry.net job: 3625877

RA center: 19h 19' 9"

DEC center: +46° 14' 57"

Pixel scale: 1.221 arcsec/pixel

Orientation: -0.034 degrees

Field radius: 0.120 degrees


Resolution: 500x500

Data source: Own remote observatory

Remote source: Non-commercial independent facility

Description

Complicated processing of this object.

Started with the RGB image and added in the O-III to both B and G channels via Rob's (Pfile's Formula):

"In the RGB color model #00b8e0 is comprised of 0% red, 72.16% green and 87.84% blue."

This produced Image A.

I researched the actual color of H-Alpha at 656.3nm and as far as I can tell it is pure Red. There is a big H-Alpha signal here (Image B).

I then used my Sharpless2 techniques to add in the cleaned stretched H-Alpha into the R channel of the RGB images (that already had the O-III Teal). (Final Image)

Comments

Author

jerryyyyy
jerryyyyy
License: None (All rights reserved)
1300
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Revisions

  • Abell 61 RGB O-III H-Alpha, 



    
        

            jerryyyyy
    Original
  • Abell 61 RGB O-III H-Alpha, 



    
        

            jerryyyyy
    B
  • Abell 61 RGB O-III H-Alpha, 



    
        

            jerryyyyy
    C
  • Final
    Abell 61 RGB O-III H-Alpha, 



    
        

            jerryyyyy
    D

B

Description: H Alpha

C

Description: HA carefully added to Original Image R Channel

D

Description: Some 3D LUT color work.

Sky plot

Sky plot

Histogram

Abell 61 RGB O-III H-Alpha, 



    
        

            jerryyyyy