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

Gullies in Crater Wall: ESP_023494_1410 ESP_023995_1410 (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
-38.6	183.	0.3	19.56	42.1	48.8
South Polar Layered Deposits: ESP_023430_0925 ESP_023521_0925 (Interval in Earth days: 7)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-87.6	192.	8.06	21.01	79.6	79.7
Layers on Hellas Planitia Rim and Proposed Site for Future Exploration: ESP_023195_1505 ESP_023340_1505 (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
-29.1	66.7	-12.	6.662	35.1	34.9
Crater with Rugged Floor in THEMIS V26860010: ESP_023396_1490 ESP_024319_1490 (Interval in Earth days: 72)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-30.8	338.	2.17	16.49	36.5	49.0
Boundary between Ophir and Candor Chasmata: ESP_023134_1755 ESP_023635_1755 (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
-4.67	287.	4.94	27.71	32.9	30.0
Sinuous Ridge in Eastern Arabia Region: ESP_023301_1910 ESP_085438_1910 (Interval in Earth days: 4841)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
10.63	46.9	0	23.69	38.7	36.8
Polar Layers Exposed on Promethei Lingula Surface: ESP_023102_0980 ESP_022983_0980 (Interval in Earth days: 9)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-82.0	111.	-8.0	6.991	70.0	67.3
Bedrock Exposed in Rim and Terraces of Crater in Molesworth Crater: ESP_023126_1520 ESP_023627_1520 (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
-27.4	149.	-7.8	15.53	33.7	36.6
Proposed MSR Landing Site in Mawrth Vallis: ESP_023132_2050 ESP_023409_2050 (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
24.73	338.	-1.9	-22.7	50.0	47.8
Lateral Dunes: ESP_023270_1120 ESP_023349_1120 (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
-67.6	185.	2.54	19.45	59.8	60.1
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