Hemisphere:  Southern  ·  Constellation: Sagittarius (Sgr)  ·  Contains:  M 20  ·  M 21  ·  NGC 6514  ·  NGC 6531  ·  Trifid nebula
M20, 



    
        

            JACL-Mono-Hα
M20
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M20

M20, 



    
        

            JACL-Mono-Hα
M20
Powered byPixInsight

M20

Technical card

Imaging telescopes or lenses: TS-Optics TS 80mm/560

Imaging cameras: ZWO ASI1600MC-Pro

Mounts: Skywatcher EQ6 Pro

Guiding telescopes or lenses: TS-Optics TS 80mm/560

Guiding cameras: Cámara seguimiento QH5

Focal reducers: WO 0,8X

Software: DSS  ·  ATP  ·  PH2  ·  Pixinsight

Filters: Ha y CLS


Frames: 39x220" (2h 23')

Integration: 2h 23'


Basic astrometry details

Astrometry.net job: 2964669

RA center: 18h 2' 24"

DEC center: -22° 59' 13"

Pixel scale: 0.884 arcsec/pixel

Orientation: 15.014 degrees

Field radius: 0.733 degrees


Resolution: 5083x3130

Data source: Backyard

Description

M20, Trifid Nebula.
Distance 5500 light years in the constellation Sagittarius.
It is a nebula of emission, absorption and reflesion with the bottom of the open cluster M21 and very close to M8 nebula of the lagoon.

39x220 ", Bin1, -20c, offset 10, gain 250.
ZWO 183mc Pro camera.
TS 80/560 tube

Comments

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Histogram

M20, 



    
        

            JACL-Mono-Hα