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

Mass Movement Feature as Seen in Image CTX Image: ESP_024669_1680 ESP_025170_1680 (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
-11.8	141.	-3.1	17.74	44.2	49.0
Impact and Gully Monitoring in Acidalia Region: ESP_024728_2260 ESP_027207_2260 (Interval in Earth days: 193)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
45.64	324.	-7.1	8.829	47.0	43.1
Sand Dune Changes in Hellespontus Montes: ESP_024686_1340 ESP_024462_1340 (Interval in Earth days: 18)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-45.4	38.8	28.3	-5.74	64.8	63.1
Light-Toned Material along Coprates Chasma Ridge: ESP_024993_1670 ESP_025349_1670 (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
-12.8	295.	3.48	14.4	48.4	51.8
Dunes: ESP_024818_1370 ESP_025108_1370 (Interval in Earth days: 22)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-42.6	38.0	-2.8	20.71	66.5	69.4
Steeply-Dipping Layers in Candor Chasma: ESP_024822_1755 ESP_024967_1755 (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
-4.56	283.	1.89	16.73	42.3	42.8
Polygons North of Banded Terrain in Hellas: ESP_024936_1435 ESP_033494_1435 (Interval in Earth days: 667)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-36.2	55.4	-3.5	-23.0	63.6	61.5
Well-Preserved 6 Kilometer Impact Crater: ESP_024738_1595 ESP_025450_1595 (Interval in Earth days: 55)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-20.4	59.1	-3.5	14.84	50.0	57.9
Small Valleys in Nilosyrtis Region: ESP_024922_2135 ESP_024500_2135 (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
33.01	71.5	-28.	-12.8	42.5	42.5
Fresh Impact Crater: ESP_024637_1445 ESP_024927_1445 (Interval in Earth days: 22)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-35.0	300.	-25.	-3.61	59.5	62.5
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