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

Stratigraphy of Possible Sulfate and Zeolite at Mawrth Vallis: ESP_013229_2050 ESP_013295_2050 (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
24.51	341.	14.8	-5.47	63.5	64.0
Gullies in Green Crater: ESP_014007_1270 ESP_014297_1270 (Interval in Earth days: 23)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-52.6	352.	3.08	23.96	44.4	45.9
Lineated Valley Fill in Nilosyrtis Mensae: ESP_014162_2135 ESP_020597_2135 (Interval in Earth days: 501)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
33.08	68.5	6.58	-16.0	59.0	66.6
Excellent Exposure of Layered Mound in Terby Crater: ESP_013872_1520 ESP_014017_1520 (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
-27.5	74.3	1.04	15.03	34.6	33.2
Sublimation Scallops: ESP_013873_1225 ESP_014005_1225 (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
-57.0	51.1	6.96	-20.3	45.9	48.6
Martian Volcanic Vent with Elevated Rim: ESP_013008_1825 ESP_020801_1825 (Interval in Earth days: 607)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
2.452	259.	-3.3	21.93	52.7	53.7
Layered Alunite-Kaolinite Deposit: ESP_013775_1490 ESP_021924_1490 (Interval in Earth days: 635)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-30.4	202.	4.83	29.52	34.9	36.8
Fresh Central Pit Crater in Southern Highlands: ESP_012727_1540 ESP_013149_1540 (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
-25.8	14.6	-3.1	-14.1	46.9	42.2
Inverted Terrain in the Mawrth Vallis Region: ESP_013084_2060 ESP_013361_2060 (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
25.90	341.	0.94	-25.7	66.4	65.7
Gully and Fan in Southern Hemisphere Crater: ESP_013478_1300 ESP_021614_1300 (Interval in Earth days: 634)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-49.5	34.8	-1.1	-21.7	41.9	48.2
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