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



    
        

            Tim
M12
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M12

Technical card

Imaging telescopes or lenses: Astro-Tech AT8RC AT8RC

Imaging cameras: Nikon D5100

Guiding telescopes or lenses: KW Telescopes KWIQ Guider

Focal reducers: CCDT67

Software: PHD guiding  ·  Sequence Generator Pro  ·  DeepSkyStacker  ·  StarTools

Accessory: Moonlite CFL 2.5" focuser with stepper motor and mini controller


Dates:Aug. 2, 2014

Frames: 30x180" (1h 30')

Integration: 1h 30'

Avg. Moon age: 5.93 days

Avg. Moon phase: 34.76%


Basic astrometry details

Astrometry.net job: 340670

RA center: 16h 47' 10"

DEC center: -1° 57' 18"

Pixel scale: 0.839 arcsec/pixel

Orientation: -41.029 degrees

Field radius: 0.589 degrees


Resolution: 620x359

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M12, 



    
        

            Tim