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Contains:  Helix nebula, NGC 7293
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Variations on Helix Nebula (HOO & Ha), 





    
        

            Jean-Baptiste Auroux
Variations on Helix Nebula (HOO & Ha)

Variations on Helix Nebula (HOO & Ha)

Technical card

Imaging telescope or lens:Takahashi TSA 102

Imaging camera:Atik ONE 6.0

Mount:Skywatcher AZ EQ6 GT

Guiding telescope or lens:Takahashi TSA 102

Guiding camera:Atik GP

Focal reducer:Takahashi TOA-RD

Software:Pleiades Astrophoto PixInsight 1.8 RipleyAtik ArtemisPHD Guiding 2

Filters:Astronomik OIII 6nmAstronomik Ha 6nmAstronomik SII 6nm

Accessory:Atik OAG

Resolution: 2749x2199

Dates:Aug. 13, 2018

Frames:
Astronomik Ha 6nm: 13x600" -10C bin 1x1
Astronomik OIII 6nm: 10x300" -10C bin 2x2

Integration: 3.0 hours

Darks: ~64

Flats: ~16

Flat darks: ~49

Bias: ~101

Avg. Moon age: 2.40 days

Avg. Moon phase: 6.40%

Bortle Dark-Sky Scale: 2.00

Astrometry.net job: 2282892

RA center: 337.404 degrees

DEC center: -20.857 degrees

Pixel scale: 1.529 arcsec/pixel

Orientation: 11.898 degrees

Field radius: 0.747 degrees

Locations: Talasani, Talasani, Haute-Corse, France

Data source: Traveller

Description

2 variations on my last image of the Helix Nebula in SHO :

- HOO version with RGB stars ;
- monochrome Ha.

Comments

Author

Jean-Baptiste_Paris
Jean-Baptiste Auroux
License: None (All rights reserved)
2621
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Revisions

  • Variations on Helix Nebula (HOO & Ha), 





    
        

            Jean-Baptiste Auroux
    Original
  • Variations on Helix Nebula (HOO & Ha), 





    
        

            Jean-Baptiste Auroux
    B
  • Final
    Variations on Helix Nebula (HOO & Ha), 





    
        

            Jean-Baptiste Auroux
    C
  • Variations on Helix Nebula (HOO & Ha), 





    
        

            Jean-Baptiste Auroux
    D

B

Ha version

C

Final version with slight HDR transform in the brightest areas of the nebula.

D

Final Ha version with slight HDR transform in the brightest areas of the nebula.

Sky plot

Sky plot

Histogram

Variations on Helix Nebula (HOO & Ha), 





    
        

            Jean-Baptiste Auroux