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Color Surface Photos, Panarama

NSSDCA ID: PSPG-00052

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

Time span: 1982-03-01 to 1982-03-01

Description

This data set consists of a color photograph of the surface of Venus returned by the Venera 13 Lander. In all, 14 color photographs were transmitted by 2 cameras during the 100-minute surface life of Venera 13. NSSDC holds one of the color panoramas returned by Venera 13. Panorama views cover 170 degrees. Color pictures are produced by a color separation process using three filters: dark blue, green, and red. The dark blue filter, centered at 0.45 micrometers, has a signal/noise ratio of 200 under illumination by a 6000 lux type A source. The green filter, centered at 0.54 micrometers, has a signal/noise ratio of 300 under illumination by a 6000 lux type A source. The red filter, centered at 0.63 micrometers, has a signal/noise ratio of 300 under illumination by a 6000 lux type A source. A color test rod containing gray (innermost), red, green, and blue (outermost) is visible in the picture. Because of a deficit of blue wavelength radiation on the Venusian surface, only the red segment of the test rod has a color in the picture approximating its true color. The panorama views are composed of 252 x 1000 pixels. Each pixel has a value between 0 and 512. The depth of field of the Venera 13 cameras extended from 0.8 m to infinity. For further information on the cameras or the processing of the pictures see Cosmic Research, 1983, Consultants Bureau, New York, v. 21, n. 2 and 3 or the Russian original, Kosmicheskie Issledovanija, 1983, Moscow, v. 21, n. 2 and 3. Selected B/W and color (Russian edition only) photographs are included in these issues.

Discipline

  • Planetary Science: Geology and Geophysics

Old NSSDCA ID

  • 81-106D-01B

Additional Information

Spacecraft

Experiments

Questions or comments about this data collection can be directed to: Coordinated Request and User Support Office.

 

Personnel

NameRoleOriginal AffiliationE-mail
Mr. Ron WeberGeneral ContactLunar and Planetary Institute 
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