Mars - Viking 1 Orbiter

Martian volcanic shields east of Ceraunius Fossae

Viking 1 Orbiter view of region east of Ceraunius Fossae, Mars, showing three volcanic shields. The one to the right with the large caldera is Uranius Patera. To the left is the slightly smaller Ceraunius Tholus, showing steep sides and a large channel and impact crater to the North. Above this is the small Uranius Tholus. North is at ~12:30. The image width is 750 km. (Viking Orbiter 759A73)
Larger image: 509K

High resolution tiff file (1.0M)

Location & Time Information
Date/Time (UT): 1978-07-16 T 16:36:44
Distance/Range (km): 27061.6
Central Latitude/Longitude (deg): +24.25/092.84
Orbit(s): 759

Imaging Information
Area or Feature Type: Volcano, Caldera
Instrument: Visual Imaging Subsystem - Camera A
Instrument Resolution (pixels): 1056 x 1182, 7 bit
Instrument Field of View (deg): 1.54 x 1.69
Filter: Red (6)
Illumination Incidence Angle (deg): 64.48
Phase Angle (deg): 106.06
Instrument Look Direction: N/A
Surface Emission Angle (deg): 42.22

Ordering Information
CD-ROM Volume: VO_1028
NASA Image ID number: 759A73
Other Image ID number: 40493998
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