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

Athabasca Valles Distributary: ESP_081795_1885 ESP_081940_1885 (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
8.606	155.	-5.3	17.55	58.4	57.1
Ancient Crust Outcrops in Coprates Chasma: ESP_081816_1650 ESP_081750_1650 (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
-14.8	304.	1.27	20.51	60.2	59.0
Nili Fossae Polygonal Ridges: ESP_081811_2025 ESP_081745_2025 (Interval in Earth days: 6)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
22.38	77.1	-4.6	13.38	59.9	57.8
Dunes in Northwestern Hellas Planitia: ESP_081837_1470 ESP_081982_1470 (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
-32.8	93.7	3.05	23.32	65.2	62.1
Lava-Terrain Interactions: ESP_082017_1555 ESP_082518_1555 (Interval in Earth days: 39)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-24.3	221.	-25.	11.57	63.2	55.5
Region Dubbed Troy: ESP_082004_0950 ESP_082005_0950 (Interval in Earth days: 0)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-85.0	258.	-8.4	-25.8	88.0	90.1
Fan in Lohse Crater: ESP_081828_1355 ESP_081762_1355 (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
-44.2	342.	-14.	1.08	71.0	70.8
Iani Chaos: ESP_081709_1795 ESP_082263_1795 (Interval in Earth days: 43)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-0.63	341.	25.4	4.208	56.0	58.0
Small Delta or Fan: ESP_081829_1760 ESP_081974_1760 (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
-4.15	308.	7.15	29.16	58.0	55.9
Channels in Hebrus Valles: ESP_082073_2025 ESP_082429_2025 (Interval in Earth days: 28)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
22.32	125.	-4.3	21.18	62.2	62.9
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