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

Small Delta or Fan: ESP_073971_1440 ESP_074248_1440 (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
-35.4	273.	-1.9	-29.9	53.8	52.1
South Polar Troughs: ESP_073957_0930 ESP_073839_0930 (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
-87.1	345.	8.07	1.697	73.9	76.7
Well-Exposed and Diverse Layered Section of Nirgal Vallis: ESP_074233_1505 ESP_075235_1505 (Interval in Earth days: 78)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-29.1	321.	-29.	-5.54	52.0	38.0
Streamlined Island in Channel in Aonia Terra: ESP_074063_1360 ESP_073918_1360 (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
-43.7	282.	8.62	-7.94	53.2	56.6
Small Delta or Fan: ESP_074002_1760 ESP_074780_1760 (Interval in Earth days: 61)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-3.73	142.	4.88	-22.5	55.2	51.0
Ridges in Huygens Crater: ESP_074203_1640 ESP_082102_1640 (Interval in Earth days: 615)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-15.8	56.1	4.52	26.16	50.9	56.9
Channel Crossing Heavily Eroded Wrinkle Ridge: ESP_074146_1485 ESP_073790_1485 (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
-31.4	175.	-4.9	-20.8	51.1	57.1
Ejecta Deposits: ESP_073913_1195 ESP_073834_1195 (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
-60.0	61.7	-4.2	-26.4	61.8	64.9
Extra-Crater Sinuous Ridge: ESP_074196_1070 ESP_074328_1070 (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
-72.7	258.	6.46	-8.99	62.2	61.4
Small Delta or Fan: ESP_073960_1630 ESP_074105_1630 (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
-16.6	211.	-5.2	10.88	53.8	51.2
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