Mars - Viking 1 Orbiter

Cloud over Ascraeus Mons, Mars

Cloud over the slope of Ascraeus Mons, Mars, imaged by the Viking 1 Orbiter. The season was early autumn at local time 14:00. The frame is 210 km across. North is at 10:00. (Viking Orbiter 225A05)
Larger image: 286K

High resolution tiff file (1.0M)

Location & Time Information
Date/Time (UT): 1977-02-02 T 20:17:52
Distance/Range (km): 5972.8
Central Latitude/Longitude (deg): +12.44/104.38
Orbit(s): 225

Imaging Information
Area or Feature Type: Cloud, Volcano
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: Violet (3)
Illumination Incidence Angle (deg): 36.31
Phase Angle (deg): 94.85
Instrument Look Direction: N/A
Surface Emission Angle (deg): 63.11

Ordering Information
CD-ROM Volume: VO_1014
NASA Image ID number: 225A05
Other Image ID number: 30294820
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