Hemisphere:  Southern  ·  Constellation: Scorpius (Sco)  ·  Contains:  M 4  ·  NGC 6121
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M4 Globular Cluster  in  Scorpius, 



    
        

            jerryyyyy
M4 Globular Cluster  in  Scorpius
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M4 Globular Cluster in Scorpius

Technical card

Imaging telescopes or lenses: Celestron NexStar 8SE

Imaging cameras: Canon EOS 500D / Digital Rebel T1i

Mounts: Orion Atlas EQ-G

Guiding cameras: Orion SSAG

Focal reducers: Celestron f/6.3 FR/FF

Software: photoshop  ·  DeepSkyStacker  ·  EQMOD  ·  Cartes du Ciel

Filters: Astronomik EOS Clip CLS-CCD


Dates:Aug. 6, 2012

Frames: 64x20" (21' 20")

Integration: 21' 20"

Avg. Moon age: 19.15 days

Avg. Moon phase: 79.78%


Basic astrometry details

Astrometry.net job: 131049

RA center: 16h 23' 36"

DEC center: -26° 31' 55"

Pixel scale: 0.867 arcsec/pixel

Orientation: 87.210 degrees

Field radius: 0.281 degrees


Resolution: 620x672

Locations: Stanford Faculty Observatory (Bortle 6 SQM 18.6), Stanford, California, United States

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M4 Globular Cluster  in  Scorpius, 



    
        

            jerryyyyy

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