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

Spider Terrain in Region Dubbed Oswego: ESP_081851_0945 ESP_081852_0945 (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
-85.4	83.5	25.0	-0.75	88.3	90.4
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
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
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
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
Investigating Ridges in Mamers Valley: ESP_082077_2235 ESP_081945_2235 (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
43.17	13.7	-5.8	18.06	69.6	65.7
The Oldest Sedimentary Rocks on Mars: ESP_049832_1560 ESP_049898_1560 (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
-23.9	57.3	-1.5	-19.2	32.8	34.7
North Polar Scarp: ESP_081654_2595 ESP_081667_2595 (Interval in Earth days: 1)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
79.28	27.7	-5.2	4.363	79.0	78.6
Shallow Raised-Rimmed Depression with Lobate Margin: ESP_081669_2165 ESP_081814_2165 (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
36.13	350.	3.35	19.09	60.8	61.4
Scour Pits Southwest of Olympus Mons: ESP_081476_1905 ESP_081542_1905 (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
10.13	221.	25.6	6.539	54.3	56.3
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