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.

Mesa Armored by Impact Ejecta in Ganges Chasma:   ESP_011371_1730   ESP_011516_1730   (Interval in Earth days: 11)
Center lat.Center long.1st half roll angle2nd half roll angle1st half incidence angle2nd half incidence angle
-7.13

312.

0.00

16.31

57.8

56.3

Gullies on Pole-Facing Slope and Arcuate Ridges on Crater Floor:   ESP_011995_1410   ESP_012496_1410   (Interval in Earth days: 39)
Center lat.Center long.1st half roll angle2nd half roll angle1st half incidence angle2nd half incidence angle
-38.8

201.

-5.2

16.43

58.2

49.0

Layers with Iron Magnesium Phyllosilicate on Crater Floor:   PSP_010419_2140   PSP_010841_2140   (Interval in Earth days: 33)
Center lat.Center long.1st half roll angle2nd half roll angle1st half incidence angle2nd half incidence angle
33.71

17.1

16.6

1.275

49.7

55.7

Depression in Avernus Cavi Region:   PSP_010875_1785   ESP_045529_1785   (Interval in Earth days: 2701)
Center lat.Center long.1st half roll angle2nd half roll angle1st half incidence angle2nd half incidence angle
-1.65

173.

-1.3

29.84

57.1

48.6

Collapse Pit in Tractus Fossae:   ESP_011386_2065   ESP_011531_2065   (Interval in Earth days: 12)
Center lat.Center long.1st half roll angle2nd half roll angle1st half incidence angle2nd half incidence angle
26.14

259.

-6.1

8.253

61.0

61.3

Uplift in Oudemans Crater:   ESP_011966_1700   ESP_012467_1700   (Interval in Earth days: 39)
Center lat.Center long.1st half roll angle2nd half roll angle1st half incidence angle2nd half incidence angle
-9.73

268.

2.38

27.90

55.8

50.3

Western Half of Very Fresh Crater in Utopia Region:   PSP_010402_2050   ESP_053495_2050   (Interval in Earth days: 3357)
Center lat.Center long.1st half roll angle2nd half roll angle1st half incidence angle2nd half incidence angle
24.57

124.

-2.7

-23.1

51.1

44.1

Stratigraphy of Primary Mesa in Terby Crater:   PSP_010826_1525   ESP_016272_1525   (Interval in Earth days: 424)
Center lat.Center long.1st half roll angle2nd half roll angle1st half incidence angle2nd half incidence angle
-27.1

74.2

4.13

-10.0

65.9

60.7

Knobs and Thermokarst:   ESP_011365_1365   ESP_011642_1365   (Interval in Earth days: 21)
Center lat.Center long.1st half roll angle2nd half roll angle1st half incidence angle2nd half incidence angle
-43.3

120.

5.79

-16.4

67.6

65.5

Erosional Remnants on Ganges Mensa:   ESP_011582_1730   ESP_011648_1730   (Interval in Earth days: 6)
Center lat.Center long.1st half roll angle2nd half roll angle1st half incidence angle2nd half incidence angle
-7.16

311.

6.37

-16.2

57.0

58.6


  


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