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Digitally Processed 35-mm Negative Photography


Availability: At NSSDC, Ready for Offline Distribution (or Staging if Digital)

Time span: 1966-06-03 to 1966-07-13


This data set consists of 178 selected photographs on 35-mm first generation negative film. They were processed by analog-to-digital conversion of data transmitted by the spacecraft. There are 88 negatives from the deblock and register (d+r) program and 90 from the Sine Wave Response Filter (SWRF) program. The D+R program adapts the analog-to-digital conversion output to a form more easily adaptable to processing operations. The output consists of 600 digital records on written magnetic tape at 800 bpi representing 600 picture lines. Each record normally contains 684 characters corresponding to the picture elements (pixels) within a line. This image is digitized only. The SWRF program is applied to the raw image and restores high-frequency data (fine detail in picture) both in the horizontal direction along the camera scan lines and in the vertical direction. Pictures processed by SWRF will appear more noisy than the original but will be much sharper.

Alternate Names

  • Photos, Processed 35mm


  • Planetary Science: Geology and Geophysics


  • 66-045A-01B

Additional Information



Questions and comments about this data collection can be directed to: Dr. David R. Williams



NameRoleOriginal AffiliationE-mail
Mr. J. Leon StrandGeneral ContactNASA Jet Propulsion Laboratory
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