Hemisphere:  Southern  ·  Constellation: Sagittarius (Sgr)  ·  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
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M8 & M20 - The Lagoon and Trifid Nebulae (L-RGB), 



    
        

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

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


Dates:Aug. 19, 2015

Frames:Astronomik CCD CLS Canon EOS Clip: 11x240" (44') ISO800 22C bin 1x1

Integration: 44'

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

Astrometry.net 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

Description

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

Comments