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

Changes in Bedforms and Albedo in Northern Plains Low Albedo Unit: ESP_035602_2270 ESP_035945_2270 (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
46.75	89.2	5.79	-21.7	42.7	46.6
North Polar Layered Deposits Exposure: ESP_035628_2660 ESP_035919_2660 (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
86.14	46.9	3.88	-9.21	61.1	62.4
Region South of Tempe Fossae: ESP_035925_2105 ESP_037125_2105 (Interval in Earth days: 94)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
29.97	275.	-8.6	-21.1	45.0	54.7
Sinus Meridiani Stratigraphy: ESP_035645_1795 ESP_035790_1795 (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
-0.56	3.36	-8.4	10.29	55.5	54.5
Low Albedo Spot in Northern Nili Fossae Crater: ESP_035906_2070 ESP_036051_2070 (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
26.67	74.7	-7.8	9.849	45.3	44.4
Channel in Margaritifer Terra: ESP_035949_1685 ESP_043571_1685 (Interval in Earth days: 594)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-11.4	345.	-7.7	18.29	62.1	55.4
Possible Phyllosilicates in Walls of Fracture South of Aurorae Chaos: ESP_035976_1680 ESP_052657_1680 (Interval in Earth days: 1300)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-11.8	327.	11.1	-3.19	61.1	57.8
Inverted Channel Deep within Crater in Aeolis Dorsa: ESP_035600_1765 ESP_061090_1765 (Interval in Earth days: 1986)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-3.38	151.	2.24	22.85	56.3	49.3
Possible Terraced Crater in Arcadia Planitia: ESP_035624_2280 ESP_035914_2280 (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
47.69	208.	4.48	25.48	43.0	42.3
Crater and Associated Depression Near Flow Edge: ESP_035937_1950 ESP_042913_1950 (Interval in Earth days: 544)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
14.67	309.	-5.0	-18.6	48.7	42.1
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