Mars - Viking 1 Orbiter

Cirrus clouds north of Valles Marineris, Mars

This Viking 1 Orbiter image show clouds to the north of Vallis Marineris. These clouds look similar to cirrus clouds on Earth. This image was taken at 7:10 local time. The frame is approximately 950 km in width and north is at about 12:30. (Viking Orbiter 058A02)
Larger image: 557K

High resolution tiff file (1.0M)

Location & Time Information
Date/Time (UT): 1976-08-17 T 23:28:24
Distance/Range (km): 26659.9
Central Latitude/Longitude (deg): -03.93/077.17
Orbit(s): 58

Imaging Information
Area or Feature Type: Clouds
Instrument: Visual Imaging Subsystem - Camera B
Instrument Resolution (pixels): 1056 x 1182, 7 bit
Instrument Field of View (deg): 1.54 x 1.69
Filter: Violet (3)
Illumination Incidence Angle (deg): 75.58
Phase Angle (deg): 117.06
Instrument Look Direction: N/A
Surface Emission Angle (deg): 47.10

Ordering Information
CD-ROM Volume: VO_1011
NASA Image ID number: 058A02
Other Image ID number: 27038087
NSSDC Data Set ID (Photo): 75-075A-01B
NSSDC Data Set ID (CD): 75-075A-01c
Other ID: N/A


[NASA Logo] Authors/Curators:

Dave Williams,, (301) 286-1258
Code 690.1, NASA Goddard Space Flight Center
Greenbelt, MD 20771, USA

Jay Friedlander,, (301) 286-7172
Code 612.4, NASA Goddard Space Flight Center
Greenbelt, MD 20771, USA

NASA Official: Ed Grayzeck,

Last updated: 24 September 2015