Cookie consent

AstroBin saves small pieces of text information (cookies) on your device in order to deliver better content and for statistical purposes. You can disable the usage of cookies by changing the settings of your browser. By browsing AstroBin without changing the browser settings, you grant us permission to store that information on your device.

I agree
Hemisphere:  Southern  ·  Contains:  Hourglass nebula, Lagoon nebula, M 20, M 8, NGC 6514, NGC 6523, NGC 6526, NGC 6530, NGC 6544, NGC 6546, The star 7Sgr, The star 9Sgr, Trifid nebula
Getting plate-solving status, please wait...
M8 & M20 - The Lagoon and Trifid Nebulae (L-RGB), 


            Olivier Ravayrol
M8 & M20 - The Lagoon and Trifid Nebulae (L-RGB)
Powered byPixInsight

M8 & M20 - The Lagoon and Trifid Nebulae (L-RGB)

Technical card

Imaging telescopes or lenses: Skywatcher 80ED black diamond 600/80 (F7,5)

Imaging cameras: Canon 450D modifié Astrodon

Mounts: Orion Sirius EQ-G (HEQ5) - belt mod

Guiding telescopes or lenses: Orion Short Tube 80/400

Guiding cameras: iNova PL1-M

Focal reducers: Televue .8 Reduce/flattener for TV-85

Software: Adobe Phosotshop CS5

Filters: Astronomik CCD CLS Canon EOS Clip

Accessory: Pierro-Astro Masques de BAHTINOV  ·  Lacerta Flatfieldbox 290mm  ·  Pierro-Astro USB autoguider

Dates:Aug. 19, 2015

Frames:Astronomik CCD CLS Canon EOS Clip: 11x240" ISO800 22C bin 1x1

Integration: 0.7 hours

Darks: ~3

Flats: ~7

Bias: ~100

Avg. Moon age: 4.38 days

Avg. Moon phase: 20.22%

Bortle Dark-Sky Scale: 5.00

Basic astrometry details job: 3255897

RA center: 18h 4' 35"

DEC center: -23° 56' 56"

Pixel scale: 2.257 arcsec/pixel

Orientation: 268.944 degrees

Field radius: 1.615 degrees

Resolution: 4290x2856

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

Data source: Own remote observatory


L-RGB (synthetic luminance with true colors)
44 mn total exposure time at 800 iso (Tournefeuille, France)
600/80 mm Refractor – 450D EOS filter removed - CLS filter
Preprocessing with IRIS (Christian Buil software)
Image processing with Photoshop



Olivier Ravayrol
License: None (All rights reserved)

Sky plot

Sky plot


M8 & M20 - The Lagoon and Trifid Nebulae (L-RGB), 


            Olivier Ravayrol