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Contains:  M 33, NGC 598, Triangulum galaxy
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M33 - The Triangulum Galaxy (L-RGB), 



    
        

            Olivier Ravayrol
M33 - The Triangulum Galaxy (L-RGB)
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M33 - The Triangulum Galaxy (L-RGB)

Technical card


Dates:Sept. 21, 2015

Frames:Astronomik CCD CLS Canon EOS Clip: 15x300" ISO800

Integration: 1.2 hours

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: 3249996

RA center: 1h 33' 39"

DEC center: +30° 40' 55"

Pixel scale: 1.063 arcsec/pixel

Orientation: 287.526 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)
1h15 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

Author

olivierr31
Olivier Ravayrol
License: None (All rights reserved)
930
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Revisions

  • M33 - The Triangulum Galaxy (L-RGB), 



    
        

            Olivier Ravayrol
    Original
  • Final
    M33 - The Triangulum Galaxy (L-RGB), 



    
        

            Olivier Ravayrol
    D

D

Description: Gradient / HLVG treatment before noise reduction - Noise reduction weaker

Sky plot

Sky plot

Histogram

M33 - The Triangulum Galaxy (L-RGB), 



    
        

            Olivier Ravayrol