Hemisphere:  Southern  ·  Constellation: Ophiuchus (Oph)  ·  Contains:  M 12  ·  NGC 6218
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M12, 



    
        

            jelisa
M12
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M12

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M12, 



    
        

            jelisa
M12
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M12

Technical card

Imaging telescopes or lenses: Orion Optics UK ODK 16

Imaging cameras: Starlight Xpress H35

Mounts: Astro-Physics AP1200

Guiding telescopes or lenses: Orion Optics UK ODK 16

Guiding cameras: Lodestar

Software: photoshop  ·  Maxim DL  ·  CCDCommander  ·  PIXINSIGHT 1.8

Filters: Astronomik Red  ·  Blue  ·  L  ·  Green

Accessory: Starlight Xpress Fliter Wheel


Dates:June 19, 2017

Frames:
L: 41x120" (1h 22') bin 1x1
RGB : 26x120" (52') bin 1x1

Integration: 2h 14'

Avg. Moon age: 24.26 days

Avg. Moon phase: 28.29%


Basic astrometry details

Astrometry.net job: 2316202

RA center: 16h 47' 18"

DEC center: -1° 55' 55"

Pixel scale: 0.699 arcsec/pixel

Orientation: 269.515 degrees

Field radius: 0.421 degrees


Resolution: 3608x2395

Locations: Observatoire personnel - France (49), le plessis grammoire, maine et loire - 49, France

Data source: Own remote observatory

Remote source: Non-commercial independent facility

Description

M12 (ou NGC 621 est un amas globulaire découvert par Charles Messier en 1764. Il fut résolu en étoiles par William Herschel en 1783.

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M12, 



    
        

            jelisa