Hemisphere:  Southern  ·  Constellation: Sagittarius (Sgr)  ·  Contains:  M 20  ·  M 21  ·  NGC 6514  ·  NGC 6531  ·  Trifid nebula
M20 y M21, 



    
        

            José Manuel Taverner Torres
M20 y M21
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M20 y M21

Technical card

Imaging telescopes or lenses: Skywatcher MN190

Imaging cameras: Canon EOS 1100Da

Mounts: Skywatcher AZ-EQ6 GT

Guiding telescopes or lenses: Lunatico Astronomia EZG60

Guiding cameras: ASI120MM

Software: PixInsight  ·  BackyardEOS

Accessory: Robelek Scope Hub


Dates:July 25, 2014

Frames: 40x200" ISO1600

Integration: 2.2 hours

Darks: ~15

Flats: ~30

Flat darks: ~30

Bias: ~50

Avg. Moon age: 28.23 days

Avg. Moon phase: 1.91%


Basic astrometry details

Astrometry.net job: 3265079

RA center: 18h 2' 58"

DEC center: -22° 46' 15"

Pixel scale: 1.064 arcsec/pixel

Orientation: 355.184 degrees

Field radius: 0.650 degrees


Resolution: 3420x2760

Locations: AstroAyna, Elche de la Sierra, Albacete, Spain

Data source: Traveller

Description

Nebulosa Trífida M20 y Cúmulo Abierto cercano M21 en Sagitario

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M20 y M21, 



    
        

            José Manuel Taverner Torres