Hemisphere:  Southern  ·  Constellation: Aquarius (Aqr)  ·  Contains:  Helix nebula  ·  NGC 7293
NGC 7293 - The Helix Nebula (L-RGB), 



    
        

            Olivier Ravayrol
NGC 7293 - The Helix Nebula (L-RGB)
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NGC 7293 - The Helix Nebula (L-RGB)

NGC 7293 - The Helix Nebula (L-RGB), 



    
        

            Olivier Ravayrol
NGC 7293 - The Helix Nebula (L-RGB)
Powered byPixInsight

NGC 7293 - The Helix Nebula (L-RGB)

Equipment

Imaging Telescopes Or Lenses
Orion 200mm f/5 Newtonian
Imaging Cameras
Canon 450D modifié Astrodon
Mounts
Orion Sirius EQ-G (HEQ5) - belt mod
Filters
Astronomik CCD CLS Canon EOS Clip
Accessories
Lacerta Flatfieldbox 290mm · Orion Low Profile Focuser · Pierro-Astro Masques de BAHTINOV · Pierro-Astro USB autoguider · Hotech 2" Laser Collimator · Baader Planetarium MPCC Mark III Coma Corrector
Software
Adobe Phosotshop CS5 · Adobe Lightroom 5.4 · SIRIL
Guiding Telescopes Or Lenses
Orion Short Tube 80/400
Guiding Cameras
iNova PL1-M

Acquisition details

Dates:
Sept. 21, 2015
Frames:
Astronomik CCD CLS Canon EOS Clip: 27x240" (1h 48') ISO800
Integration:
1h 48'
Darks:
6
Flats:
11
Bias:
100
Avg. Moon age:
7.51 days
Avg. Moon phase:
51.40%
Bortle Dark-Sky Scale:
5.00

Basic astrometry details

Astrometry.net job: 3255926

RA center: 22h29m20s.4

DEC center: -20°4919

Pixel scale: 1.064 arcsec/pixel

Orientation: 286.974 degrees

Field radius: 0.761 degrees

Resolution: 4290x2856

Locations: Observatoire personnel, Tournefeuille, Haute-Garonne, France

Data source: Own remote observatory

Description

L-RGB (synthetic luminance)

1h48 exposure time at 800 iso (Tournefeuille, France)

Newton telescop 200/1000 – 450D EOS filter removed

CLS filter (due to light pollution conditions)

Preprocessing with IRIS (Christian Buil software)

Image processing with Photoshop

Final touch with Lightroom

Comments

Revisions

  • NGC 7293 - The Helix Nebula (L-RGB), 



    
        

            Olivier Ravayrol
    Original
  • Final
    NGC 7293 - The Helix Nebula (L-RGB), 



    
        

            Olivier Ravayrol
    C

C

Description: New pretreatment with SIRIL - New noise treatment with NoiseWare plugin

Uploaded: ...

Sky plot

Sky plot

Histogram

NGC 7293 - The Helix Nebula (L-RGB), 



    
        

            Olivier Ravayrol