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

Hillslope Morphologies near Holden Crater: ESP_081723_1550 ESP_082000_1550 (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
-24.7	325.	-8.5	-22.2	64.3	63.1
Site Dubbed Bilbao: ESP_081902_0930 ESP_081903_0930 (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
-87.0	127.	29.2	14.38	87.8	89.1
Elysium Planitia Lava: ESP_081821_1855 ESP_081755_1855 (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
5.210	166.	-6.6	13.12	58.6	56.8
Tyrrhenus Mons Southwestern Rille near Caldera: ESP_081942_1575 ESP_082087_1575 (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
-22.0	106.	2.92	26.72	61.0	57.9
Olympus Mons: ESP_081700_1980 ESP_081634_1980 (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
17.84	227.	4.55	24.18	57.6	55.6
Pole-Facing Gullies near Cydonia Mensae: ESP_081867_2170 ESP_081801_2170 (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
36.91	347.	-8.4	6.135	64.6	62.6
Athabasca Valles Distributary: ESP_082006_1890 ESP_082151_1890 (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
8.890	155.	-2.0	23.22	59.0	57.5
Pits and Ridges in Crater Floor: ESP_081973_1735 ESP_082316_1735 (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
-6.39	338.	-8.6	-29.7	59.3	60.3
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
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
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