Mars - Viking 1 Orbiter

Tyrrhena Patera, Mars

Viking 1 Orbiter image of the ancient volcano Tyrrhena Patera on Mars. Note the circular fractures and radiating troughs. The frame width is 250 km and north is at about 1:00. (Viking Orbiter 087A14)
Larger image: 456K

High resolution tiff file (1.0M)

Location & Time Information
Date/Time (UT): 1976-09-16 T 06:57:47
Distance/Range (km): 9248.0
Central Latitude/Longitude (deg): -20.92/253.81
Orbit(s): 87

Imaging Information
Area or Feature Type: Volcano
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: Clear (4)
Illumination Incidence Angle (deg): 70.33
Phase Angle (deg): 83.03
Instrument Look Direction: N/A
Surface Emission Angle (deg): 16.21

Ordering Information
CD-ROM Volume: VO_1012
NASA Image ID number: 087A14
Other Image ID number: 27603391
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