HiRISE | Stereo Pairs

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.

Stereo Pair List (csv) Pairendipity Stereo Pairendipity CTX Stereo SPORCs

Cross-Cut Alluvial Fans in Central Pit Crater Northwest of Hellas Planitia : ESP_057890_1580 ESP_058167_1580 (Interval in Earth days: 21)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-21.6	38.1	1.25	-18.6	31.1	31.6
Flow Features in Zilair Crater : ESP_057642_1480 ESP_059264_1480 (Interval in Earth days: 127)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-31.6	327.	7.34	-13.4	32.5	45.4
Flow Feature Associated with Nearby Well-Preserved 6-Kilometer Crater : ESP_057519_1545 ESP_057862_1545 (Interval in Earth days: 27)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-25.1	84.0	-2.1	-13.2	34.2	32.3
Curved Bands in Possible Glacial Unit : ESP_057633_2200 ESP_066521_2200 (Interval in Earth days: 692)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
39.50	203.	5.17	22.77	70.3	71.7
Landforms in Terra Cimmeria : ESP_057608_1450 ESP_066219_1450 (Interval in Earth days: 671)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-34.9	178.	-28.	-8.61	36.1	41.9
Test for Small Ancient Craters Near Nili Fossae : ESP_057849_2030 ESP_058126_2030 (Interval in Earth days: 21)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
22.85	72.2	-7.5	-18.5	55.1	52.1
South Polar Layered Deposits : ESP_057770_0925 ESP_058006_0925 (Interval in Earth days: 19)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-87.6	125.	12.8	28.70	66.6	67.6
Gullies and Layers in Crater in Terra Sirenum : ESP_057777_1265 ESP_057909_1265 (Interval in Earth days: 10)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-53.1	246.	6.68	-12.1	40.8	42.5
Depression with Gullies and Exposed Layering Northwest of Argyre Planitia : ESP_057867_1345 ESP_067705_1345 (Interval in Earth days: 767)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-45.0	309.	-1.6	10.80	37.0	51.9
Possible Well-Exposed Ejecta Northeast of Holden Crater : ESP_057576_1555 ESP_057721_1555 (Interval in Earth days: 12)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-24.4	328.	-1.5	27.95	33.6	29.9
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