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

Contact between Yardang-Forming Material and Platy Flow Material: ESP_025473_1840 ESP_034255_1840 (Interval in Earth days: 684)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
3.897	149.	-3.9	28.53	45.2	43.3
A Youthful Crater in the Cydonia Colles Region: ESP_025716_2200 ESP_027417_2200 (Interval in Earth days: 132)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
39.64	350.	4.65	24.57	39.9	42.0
Well Preserved 7-Kilometer Impact Crater in Utopia Planitia: ESP_025791_1945 ESP_025646_1945 (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
14.46	104.	24.6	6.969	40.6	41.4
An Impact Crater on Upper Rim Valles Marineris: ESP_025705_1675 ESP_025560_1675 (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
-12.3	298.	-0.6	-20.3	55.9	55.8
Source of Flow Visible in CTX Image P20_008700_1787: ESP_025697_1805 ESP_037169_1805 (Interval in Earth days: 894)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
0.572	155.	-6.8	8.034	48.6	54.9
Flow Draped over Crater Rim Visible in CTX Image : ESP_025563_1975 ESP_025207_1975 (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
17.48	209.	15.2	2.131	39.4	38.8
Ring-Shaped Feature in Northeastern Acidalia Region: ESP_025663_2280 ESP_026362_2280 (Interval in Earth days: 54)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
47.84	355.	4.36	-18.8	42.2	43.4
Western Portion of Well-Preserved Impact Crater: ESP_025507_1825 ESP_025863_1825 (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
2.450	301.	3.84	21.96	45.5	46.7
Small Crater on Pedestal Crater: ESP_025776_2320 ESP_026422_2320 (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
51.57	151.	-1.2	21.35	43.6	40.8
Channel in Tharsis Region: ESP_025417_1965 ESP_024916_1965 (Interval in Earth days: 40)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
16.19	235.	17.6	-8.13	38.8	38.5
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