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

Entrance to Lethe Vallis: ESP_012458_1830 ESP_012735_1830 (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
3.099	154.	2.21	-28.6	56.7	57.4
Fresh Crater with Lots of Gullies: ESP_011672_1395 ESP_011817_1395 (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
-40.3	20.1	-7.0	7.602	63.3	60.3
East Portion of Flow in Harmakhis Vallis: ESP_012434_1420 ESP_012579_1420 (Interval in Earth days: 11)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-37.7	95.5	1.58	12.57	51.0	48.0
Emission of Dark Material in Cerberus Fossae: ESP_011785_1875 ESP_011930_1875 (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
7.411	168.	-8.3	7.691	59.6	58.6
Valleys along the Juventae Region Wallrock: ESP_011688_1760 ESP_019613_1760 (Interval in Earth days: 617)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-4.15	297.	3.79	-18.7	57.0	57.0
Two Types of Gullies Identified in West Half of Crater: ESP_012206_1390 ESP_012628_1390 (Interval in Earth days: 33)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-40.7	200.	4.42	-8.24	54.7	49.2
Light-Toned Gully Material in Crater in Terra Sirenum: ESP_012380_1425 ESP_012802_1425 (Interval in Earth days: 33)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-37.4	130.	-7.3	-22.4	52.4	47.4
Impact Crater Merged into Coprates Chasma: ESP_011767_1640 ESP_011833_1640 (Interval in Earth days: 5)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-15.9	302.	-3.0	-24.0	57.3	58.6
Landforms in the Tartarus Colles Region: ESP_012444_2065 ESP_014000_2065 (Interval in Earth days: 121)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
25.97	173.	6.62	-8.74	67.6	56.8
Head of Rille East of Hecates Tholus: ESP_012036_2125 ESP_012748_2125 (Interval in Earth days: 55)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
32.12	152.	1.95	14.72	69.1	71.0
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