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Messier 3 - NGC 5272

 

  • TYPE:  Globular Cluster Class VI
  • RA: 13h 42.2'
  • DEC:  +28degrees 23'
  • SIZE:  21'
  • VISUAL MAGNITUDE:  5.9
  • SURFACE BRIGHTNESS:  12.7
  • CONSTELLATION:  Canes Venatici
  • DISTANCE:   21 Thousand Light Years
  • DIAMETER:  214 Light Years

IMAGING INFORMATION

  • TELESCOPE:  Celestron C-11, FL 2800 mm, Schmidt-Cassegrain reflector
  • REDUCER/CORRECTOR:  Celestron 6.3
  • CAMERA:  Santa Barbara Instruments, ST-8 Digital (Thermoelectrically cooled)
  • ADAPTIVE OPTICS:  None
  • FILTER(S):  None
  • CCD COOLING TEMPERATURE:  -15 C
  • BINNING/RESOLUTION:  2 X 2 (765 X 510)
  • EXPOSURE TIME:  15 seconds
  • NUMBER OF IMAGES:  1
  • FILM SPEED:  None
  • DATE/TIME:  02/14/1999 / 07:57:25 UTC
  • LOCATION:  Escondido, San Diego County, California
  • TEMPERATURE:  Unknown
  • HUMIDITY:  Unknown

 

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