Mars - Viking 1 Lander

Sunset at the Viking 1 Lander site

Viking 1 Lander image of a martian sunset over Chryse Planitia. In this image the sun is 2 degrees below the local horizon. The banding in the sky is an artifact produced by the incremental brightness levels of the camera. This image was taken on the 30th martian day (sol) after touchdown, at 19:13 local time. The camera is pointing towards the southwest. (Viking 1 Lander, 12A240)
Larger image: 433K

High resolution tiff file (3.0M)

Location & Time Information
Date/Time (UT): 1976-08-20 T 10:40:31
Distance/Range (km): 0.0037
Central Latitude/Longitude (deg): +22.27,049.97 W
Orbit(s): N/A

Imaging Information
Area or Feature Type: lander image, surface, sunset
Instrument: Viking Lander 1 Scanning Camera 2
Instrument Resolution (pixels): 512 vertical, 6 bit
Instrument Field of View (deg): 100 x .12 (single scan), 100 x 342.5 (Max.)
Filter: blue, green, red
Illumination Incidence Angle (deg): 91.
Phase Angle (deg): 130.
Instrument Look Direction: N/A
Surface Emission Angle (deg): 90.

Ordering Information
CD-ROM Volume: N/A
NASA Image ID number: 12A240
Other Image ID number: ON0013/07-09
NSSDC Data Set ID (Photo): 75-075C-06F
NSSDC Data Set ID (CD): N/A
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: Dr. David R. Williams,

Last updated: 24 September 2015