HiRISE | Spider Trough Network (ESP_012838

NASA/JPL/University of Arizona

Spider Trough Network
ESP_012838_0950 Science Theme: Seasonal Processes

Image Products: All image links are drag & drop for HiView, or click to download

JPEG
Grayscale: map projected non-map
IRB color: map projected non-map
RGB color: non-map projected

JP2 DOWNLOAD
Grayscale: map-projected (589.7 MB)
IRB color: map-projected (252.5 MB)

JP2 EXTRAS
Grayscale: map-projected (349.0 MB),
non-map (372.1 MB)

IRB color: map projected (99.3 MB)
non-map (286.6 MB)

RGB color: non map-projected (277.7 MB)

ADDITIONAL IMAGE INFORMATION
Grayscale label Color label
Merged IRB label Merged RGB label
EDR products

About color products (PDF)
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HiRISE Online Image Viewer

Observation Toolbox

Acquisition date:	22 April 2009	Local Mars time:	5:22 PM
Latitude (centered):	-85.036 degrees	Longitude (East):	259.044 degrees
Range to target site:	249.4 km (155.9 miles)	Original image scale range:	25.0 cm/pixel (with 1 x 1 binning) so objects ~75 cm across are resolved
Map projected scale:	25 cm/pixel	Map projection:	POLAR STEREOGRAPHIC
Emission angle:	0.7 degrees	Phase angle:	66.0 degrees
Solar incidence angle:	65 degrees, with the Sun about 25 degrees above the horizon	Solar longitude:	251.9 degrees, Northern Autumn
For non-map projected products:
North azimuth:	122 degrees	Sub-solar azimuth:	37.8 degrees
For map-projected products
North azimuth:	169.0 degrees	Sub solar azimuth:	86.21 degrees

NEARBY OBSERVATIONS

Usage Policy
All of the images produced by HiRISE and accessible on this site are within the public domain: there are no restrictions on their usage by anyone in the public, including news or science organizations. We do ask for a credit line where possible: Image: NASA/JPL/University of Arizona

Postscript
For information about NASA and agency programs on the Web, visit: http://www.nasa.gov. NASA's Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, Calif., manages the Mars Reconnaissance Orbiter for NASA's Science Mission Directorate, Washington. Lockheed Martin Space Systems is the prime contractor for the project and built the spacecraft. The HiRISE camera was built by Ball Aerospace and Technology Corporation and is operated by the University of Arizona. The image data were processed using the U.S. Geological Survey’s ISIS3 software.