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.

Central Peak of a Large Crater in Acidalia Planitia:   ESP_017700_2160   ESP_018412_2160   (Interval in Earth days: 56)
Center lat.Center long.1st half roll angle2nd half roll angle1st half incidence angle2nd half incidence angle
35.81

319.

-4.0

7.082

42.0

43.2

Bedrock Exposures on Crater Floor in Terra Sabaea-Tyrhenna Terra Boundary:   ESP_017815_1575   ESP_018527_1575   (Interval in Earth days: 56)
Center lat.Center long.1st half roll angle2nd half roll angle1st half incidence angle2nd half incidence angle
-22.0

66.6

-3.7

12.19

68.4

66.9

Well-Preserved Impact Crater with Ridges:   ESP_017975_1705   ESP_025557_1705   (Interval in Earth days: 590)
Center lat.Center long.1st half roll angle2nd half roll angle1st half incidence angle2nd half incidence angle
-9.51

16.4

0.77

18.29

59.9

51.6

Shallow Channel Cutting through a Crater in CTX Image:   ESP_017740_2230   ESP_024900_2230   (Interval in Earth days: 558)
Center lat.Center long.1st half roll angle2nd half roll angle1st half incidence angle2nd half incidence angle
42.79

305.

3.34

18.77

41.7

42.4

Stepped Mesas and Pits on Crater Floor with Olivine-Rich Bedrock:   ESP_017752_1825   ESP_018253_1825   (Interval in Earth days: 39)
Center lat.Center long.1st half roll angle2nd half roll angle1st half incidence angle2nd half incidence angle
2.655

344.

-11.

10.50

53.1

52.2

Valleys and Layering along Melas Region:   ESP_018018_1705   ESP_026866_1705   (Interval in Earth days: 689)
Center lat.Center long.1st half roll angle2nd half roll angle1st half incidence angle2nd half incidence angle
-9.55

283.

-6.8

-17.8

60.4

60.2

Disrupted Blocky Outcrop in Cerberus Palus:   ESP_018036_1880   ESP_043710_1880   (Interval in Earth days: 2001)
Center lat.Center long.1st half roll angle2nd half roll angle1st half incidence angle2nd half incidence angle
8.089

149.

-6.4

6.703

50.5

45.5

Debris Flow in Tempe Terra:   ESP_017807_2255   ESP_018453_2255   (Interval in Earth days: 50)
Center lat.Center long.1st half roll angle2nd half roll angle1st half incidence angle2nd half incidence angle
45.37

276.

-6.0

18.33

42.9

43.2

Light-Toned Outcrops in Noctis Labyrinthus:   ESP_017768_1720   ESP_025271_1720   (Interval in Earth days: 585)
Center lat.Center long.1st half roll angle2nd half roll angle1st half incidence angle2nd half incidence angle
-7.75

267.

-3.0

-29.2

58.6

51.1

Cones at Edge of North Polar Layered Deposits:   ESP_017885_2595   ESP_018004_2595   (Interval in Earth days: 9)
Center lat.Center long.1st half roll angle2nd half roll angle1st half incidence angle2nd half incidence angle
79.12

285.

13.2

-3.67

55.5

56.7


  


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