"Face on Mars" images (40.9N, 9.45W) - Viking Orbiter 1
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Image:                             35A72          70A13
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Image number                     26588045       27280098
Image date (UT)                 1976-07-25     1976-08-30
Image time (UT)                  15:25:14       12:38:33
Earth received date (UT)        1976-07-26     1976-08-30
Earth received time (UT)         21:11:28       17:09:45
CD_ROM Volume                    VO_1010        VO_1011
Sun azimuth (deg)                294.28         277.04
Sun zenith angle (deg)            79.93          62.59
Spacecraft azimuth (deg)         169.05         139.54 
Spacecraft zenith angle (deg)     10.58          12.42 
Ground resolution (m/pixel)       51.73          48.13
Spacecraft range (km)             1873           1725 
Visual imaging camera               B              A
Filter                            clear          clear
Exposure duration (sec)          0.033940       0.016970
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Both images were taken during Martian northern summer in the afternoon.