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Image Data: Object Information:
  • Exposure:  LRGB Synthetic L:4x15:4x6.6:3x8.4 minutes
    • Synthetic luminance achieved by combining all exposures in Sigma
    • All exposures binned 1x1
  • RGB Combine Ratios:  1.0:1.0:1.0
  • Telescope:  Meade 10" LX200 @ f/6.3 (with Ted Agos adapter)
  • Mount:  Meade field tripod w/ super wedge
  • Guiding:  AO-7 @ 2-4 Hz
  • Camera:  SBIG ST-2000XM CCD, SBIG CFW-8
  • Location:  My backyard in Goleta, CA
  • Date/Time:  April 22/23, 2004,  22:27-01:10 PST
  • Processing:  Taken and reduced in CCDSoft v5.  Combined sub-exposures with Ray Gralak's Sigma Clip.  DDP to Luminance/Color with custom software.  Five iterations of CCDSharp to Luminance.  Color combined with custom software. Curves/levels/saturation adjusted, Luminance applied, and selective  blur in Photoshop 7.
  • Name: M53,  NGC5024
  • Type:  Globular Cluster
  • Constellation:  Coma Berenices
  • Distance:  60,000 light years
  • Size:  250 light years diameter

    About M53
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