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

North Polar Residual Cap: ESP_018621_2620 ESP_018872_2620 (Interval in Earth days: 20)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
81.78	355.	-1.4	-19.1	61.6	65.2
Crater Ejecta Lower Than Plains: ESP_018709_2290 ESP_019197_2290 (Interval in Earth days: 38)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
48.73	127.	13.4	-11.4	46.3	53.4
Wavy Polar Layers: ESP_018612_2640 ESP_018929_2640 (Interval in Earth days: 25)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
84.04	228.	2.40	-11.9	62.7	66.5
Lobate Flow Front in Kasei Valles: ESP_018730_1905 ESP_019231_1905 (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
10.46	282.	-7.1	12.28	50.5	50.1
Craters and Depressions North of Alba Patera: ESP_018533_2325 ESP_019166_2325 (Interval in Earth days: 49)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
52.38	254.	-5.6	-19.0	47.5	54.8
Milankovic Crater: ESP_018785_2345 ESP_019220_2345 (Interval in Earth days: 34)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
54.20	212.	5.45	25.97	49.2	52.3
Crater in Tyrrhena Terra: ESP_018658_1750 ESP_026939_1750 (Interval in Earth days: 645)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-4.98	88.8	4.56	-8.51	56.7	56.8
Gullied Wall of Impact Crater: ESP_018571_2440 ESP_018703_2440 (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
63.74	291.	7.48	-10.3	50.9	53.4
Cangwu Crater: ESP_018572_2220 ESP_019073_2220 (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
41.84	270.	3.17	16.91	44.8	47.8
Channels in Tharsis Region: ESP_018560_2010 ESP_019193_2010 (Interval in Earth days: 50)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
20.53	241.	2.68	-20.5	46.2	51.0
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