Stereo Anaglyphs of Ada Crater
NASA/JPL/UArizona
Stereo Anaglyphs of Ada Crater
PSP_001678_1770  Science Theme: Impact Processes
Ada Crater is a fresh (recently-formed) impact crater formed close to the southern edge of Meridiani Planum, far to the southeast of the Opportunity rover.

Shown here are two red-blue color anaglyphs in which you can view the topography with red-blue glasses (blue filter over your right eye). The first one covers the crater and shows a relatively large area but with 3x reduction of spatial scale (75 cm/pixel). The crater looks extremely deep, but that impression is greatly exaggerated! We acquire stereo pairs with separation angles much greater than that of our own eyes, in order to extract for accurate measurements.

But the effect on color anaglyphs is to exaggerate the relief, which can be vertigo-inducing over steep terrain.

The second anaglyph covers a portion of the ejecta blanket at full resolution. Here the vertical exaggeration is quite helpful to visualize the subtle undulations.



Written by: Alfred McEwen  (10 January 2007)

This is a stereo pair with PSP_001348_1770.
 
Acquisition date
05 December 2006

Local Mars time
15:44

Latitude (centered)
-3.048°

Longitude (East)
356.795°

Spacecraft altitude
267.5 km (166.3 miles)

Original image scale range
30.5 cm/pixel (with 1 x 1 binning) so objects ~92 cm across are resolved

Map projected scale
25 cm/pixel and North is up

Map projection
Equirectangular

Emission angle
30.0°

Phase angle
32.8°

Solar incidence angle
58°, with the Sun about 32° above the horizon

Solar longitude
145.6°, Northern Summer

For non-map projected images
North azimuth:  96°
Sub-solar azimuth:  27.8°
JPEG
Black and white
map projected  non-map

IRB color
map projected  non-map

Merged IRB
map projected

Merged RGB
map projected

RGB color
non-map projected

JP2
Black and white
map-projected   (943MB)

IRB color
map-projected   (502MB)

JP2 EXTRAS
Black and white
map-projected  (410MB)
non-map           (327MB)

IRB color
map projected  (103MB)
non-map           (308MB)

Merged IRB
map projected  (223MB)

Merged RGB
map-projected  (227MB)

RGB color
non map           (283MB)
ANAGLYPHS
Map-projected, reduced-resolution
Full resolution JP2 download
Anaglyph details page

ADDITIONAL INFORMATION
B&W label
Color label
Merged IRB label
Merged RGB label
EDR products
HiView

NB
IRB: infrared-red-blue
RGB: red-green-blue
About color products (PDF)

Black & white is 5 km across; enhanced color about 1 km
For scale, use JPEG/JP2 black & white map-projected images

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:
NASA/JPL/UArizona

POSTSCRIPT
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. The HiRISE camera was built by Ball Aerospace and Technology Corporation and is operated by the University of Arizona.