"Face on Mars" images (40.9N, 9.45W) - Viking Orbiter 1
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Image:                             35A72          70A13
------                             -----          -----
Image number                     26588045       27280098
Orbit                               35             70
Central latitude                  40.89          40.64
Central longitude                  9.66           9.27
Image date (UT)                 1976-07-25     1976-08-30
Image time (UT)                  15:25:14       12:38:33
Local time                        18.56          16.84
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
Phase angle (deg)                 86.26          71.77
Spacecraft azimuth (deg)         169.05         139.54 
Spacecraft zenith angle (deg)     10.58          12.42 
Ground resolution (m/pixel)       51.73          48.13
Scaled pixel width (km)            0.047          0.043
Scaled image height (km)          49.6           46.0
Scaled image width (km)           56.8           52.3
Spacecraft range (km)             1873           1725
Spacecraft altitude (km)          1853           1698
Subspacecraft azimuth (deg)      322.57         311.09
Subspacecraft latitude (deg)      37.04          37.14
Subspacecraft longitude (deg)      8.65           6.00
Subsolar azimuth (deg)            89.61          88.04
Subsolar latitude (deg)           24.84          22.58
Subsolar longitude (deg)         108.00          81.83
Solar longitude (deg)             99.29         115.60
Incidence angle (deg)             80.01          62.65
Emission angle (deg)              10.24          12.13
North azimuth (deg)              155.35         170.70
True anomaly angle (deg)          31.79          24.44
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.