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

Dunes on Crater Floor: ESP_020709_1350 ESP_020854_1350 (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
-44.4	259.	-4.8	8.47	59.5	56.3
Streamlined Form Surrounded by Pitted Materials in Hale Crater: ESP_020667_1440 ESP_030069_1440 (Interval in Earth days: 733)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-35.5	324.	-1.4	-14.8	57.0	49.7
Possible Olivine in East Thaumasia Planum: ESP_020905_1525 ESP_083306_1525 (Interval in Earth days: 4862)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-27.0	305.	4.56	13.84	52.0	45.6
Sinuous Ridges in the Aeolis/Zephyria Region: ESP_020528_1750 ESP_020673_1750 (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
-5.06	154.	7.87	22.67	54.0	52.4
Fan and Valley within Crater: ESP_020323_2050 ESP_020824_2050 (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
24.54	348.	-1.3	18.52	59.4	62.1
Spiders in Variety of Terrains: ESP_020229_0930 ESP_020230_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	86.4	9.23	-2.36	88.6	89.9
Central Uplift of Crater within Larger Crater: ESP_020244_1805 ESP_029936_1805 (Interval in Earth days: 756)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
0.575	348.	0	15.21	55.0	52.9
Wrinkle Ridges in East Meridiani Planum: ESP_020138_1845 ESP_020283_1845 (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
4.462	2.88	-6.0	7.354	55.3	54.6
Very Fresh Northern Plains 6-Kilometer Diameter Crater: ESP_020156_2235 ESP_028714_2235 (Interval in Earth days: 666)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
43.24	225.	-1.5	8.405	64.1	58.9
Well-Preserved 10-Kilometer Diameter Crater in Margaritifer Terra: ESP_020046_1600 ESP_020468_1600 (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
-19.6	356.	4	-13.5	58.4	56.8
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