Hemisphere:  Southern  ·  Constellation: Sagittarius (Sgr)  ·  Contains:  M 20  ·  NGC 6514  ·  Trifid Nebula
The Trifid Nebula (M20), 



    
        

            Olivier Ravayrol
The Trifid Nebula (M20)
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The Trifid Nebula (M20)

The Trifid Nebula (M20), 



    
        

            Olivier Ravayrol
The Trifid Nebula (M20)
Powered byPixInsight

The Trifid Nebula (M20)

Technical card

Imaging telescopes or lenses: Orion 200mm f/5 Newtonian

Imaging cameras: ZWO ASI1600MM Pro

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

Guiding telescopes or lenses: ZWO OAG

Guiding cameras: ZWO ASI174MM Mini

Focal reducers: Baader Planetarium MPCC Mark III Coma Corrector

Software: Adobe Phosotshop CS5  ·  Adobe Lightroom 5.4  ·  SIRIL

Filters: Astronomik LRGB 1.25"  ·  Astronomik CLS CCD 1.25

Accessory: ZWO EAF Electronic Auto Focuser  ·  ZWO EFW 8 x 1.25″/31mm  ·  CatsEye TELETUBE - INFINITY - BLACKCAT  ·  Lacerta Flatfieldbox 290mm  ·  Pierro-Astro USB autoguider


Dates:July 18, 2020Aug. 18, 2020Sept. 11, 2020Sept. 12, 2020

Frames:
Astronomik CLS CCD 1.25: 19x300" (gain: 75.00) -15C bin 1x1
Astronomik CLS CCD 1.25: 9x420" (gain: 75.00) -15C bin 1x1
Astronomik LRGB 1.25": 45x150" (gain: 75.00) -15C bin 2x2

Integration: 4.5 hours

Darks: ~15

Flats: ~24

Bias: ~100

Avg. Moon age: 25.87 days

Avg. Moon phase: 18.59%

Bortle Dark-Sky Scale: 5.00

Mean FWHM: 6.10

Temperature: 22.60


Basic astrometry details

Astrometry.net job: 3898587

RA center: 18h 2' 26"

DEC center: -23° 2' 13"

Pixel scale: 0.778 arcsec/pixel

Orientation: 284.866 degrees

Field radius: 0.600 degrees


Resolution: 4499x3260

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

Data source: Backyard

Description

The Trifid Nebula (M20)
L-RGB
Bin1x1 CLS:2h20, Bin2x2 R:38mn, G:38mn & B:38mm exposure time
200/1000 mm Newtonian telescope
Camera ZWO ASI1600MM Pro
Preprocessing with SIRIL
Image processing with Photoshop
Final touch with Lightroom

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