Stereo Pairs 
An explanation of stereo pairs and their use (PDF)  

Planned stereo pairs have suitable stereo convergence angles and illumination by design. In addition to planned stereo pairs, the Pairendipity software can identify overlapping HiRISE images that are serendipitously suitable for stereo processing and find stereo pairs within the CTX dataset.

Planned HiRISE stereo pairs are listed in the “Stereo Pair List (CSV)” link below. Since this list is based on produced stereo anaglyphs it also contains a few serendipitous pairs that underwent special processing. Most serendipitous HiRISE stereo pairs are listed in the “Pairendipity Stereo” link, while CTX stereo pairs are listed in “Pairendipity CTX Stereo”.

Images taken close together in time minimize illumination and frost differences and are especially useful (see the Delta-Days column in the Pairendipity files or difference the orbit numbers in the image IDs in the Stereo Pair List file). Stereo pairs with both images planned within the same 14-day (168-orbit) operations cycle are known as SPORCs.

Recent Impact Crater Through Medusae Fossae Formation and Flood Lavas:   ESP_012234_1820   ESP_012511_1820   (Interval in Earth days: 22)
Center lat.Center long.1st half roll angle2nd half roll angle1st half incidence angle2nd half incidence angle
1.990

148.

22.3

-6.87

55.6

56.7

Enigmatic Uplift on the Floor of Echus Chasma:   ESP_011715_1800   ESP_012203_1800   (Interval in Earth days: 38)
Center lat.Center long.1st half roll angle2nd half roll angle1st half incidence angle2nd half incidence angle
-0.05

279.

8.06

-26.2

57.0

58.9

Iron and Magnesium Phyllosilicates in Terra Sabaea Crater Wall:   ESP_012278_1695   ESP_066132_1695   (Interval in Earth days: 4196)
Center lat.Center long.1st half roll angle2nd half roll angle1st half incidence angle2nd half incidence angle
-10.2

31.3

-3.6

-22.5

54.2

48.1

Cascading Channel in Noachis Pit Crater in MOC M12-00595:   ESP_012411_1320   ESP_014046_1320   (Interval in Earth days: 127)
Center lat.Center long.1st half roll angle2nd half roll angle1st half incidence angle2nd half incidence angle
-47.5

5.30

-0.5

13.90

53.5

40.9

Valley Wall on Tyrrhena Patera:   ESP_012539_1580   ESP_085291_1580   (Interval in Earth days: 5669)
Center lat.Center long.1st half roll angle2nd half roll angle1st half incidence angle2nd half incidence angle
-21.8

106.

3.57

-11.9

49.2

38.5

Large Fan in Porter Crater:   ESP_012455_1290   ESP_012745_1290   (Interval in Earth days: 23)
Center lat.Center long.1st half roll angle2nd half roll angle1st half incidence angle2nd half incidence angle
-50.8

245.

-8.9

10.54

54.4

48.5

Contact between Wallrock and Light-Toned Rocks in Ophir Chasma:   ESP_011662_1750   ESP_011807_1750   (Interval in Earth days: 11)
Center lat.Center long.1st half roll angle2nd half roll angle1st half incidence angle2nd half incidence angle
-4.76

287.

6.98

23.57

56.8

55.2

Gully in Crater Wall:   ESP_011877_1410   ESP_012510_1410   (Interval in Earth days: 50)
Center lat.Center long.1st half roll angle2nd half roll angle1st half incidence angle2nd half incidence angle
-38.8

182.

3.05

-13.9

59.3

51.1

Cataracts at the Proximal Ends of Distributaries in Athabasca Valles:   ESP_011891_1885   ESP_012313_1885   (Interval in Earth days: 32)
Center lat.Center long.1st half roll angle2nd half roll angle1st half incidence angle2nd half incidence angle
8.235

154.

-7.7

-19.1

60.0

60.9

Shalbatana Vallis Layering:   ESP_011740_1830   ESP_019454_1830   (Interval in Earth days: 601)
Center lat.Center long.1st half roll angle2nd half roll angle1st half incidence angle2nd half incidence angle
3.120

316.

8.28

-8.81

57.4

54.2


  


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