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

Faults in Aureum Chaos: ESP_024662_1765 ESP_024029_1765 (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
-3.60	332.	-10.	5.257	41.1	33.8
Intracrater Dunes Superposed on Ridges on Fan Surface: ESP_024913_1580 ESP_025625_1580 (Interval in Earth days: 56)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-21.5	320.	7.35	29.03	52.5	59.4
Scarp around Crater Ejecta as Seen in CTX Image: ESP_024628_1720 ESP_024839_1720 (Interval in Earth days: 16)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-7.78	179.	6.80	-4.63	41.1	44.4
Dunes: ESP_024907_1660 ESP_025052_1660 (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
-13.6	124.	-12.	2.99	48.9	49.6
Boulder Slopes in Cerberus Fossae: ESP_024998_1900 ESP_024932_1900 (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
9.866	158.	-20.	1.458	40.9	38.6
Small Mounds in Chryse Planitia: ESP_024715_1995 ESP_025638_1995 (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
19.41	322.	-11.	2.369	38.2	40.4
Impact Crater: ESP_024621_1760 ESP_025043_1760 (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
-4.18	11.0	3.05	-16.6	39.8	45.9
Intracrater Sand Dunes and Patch Changes: ESP_024838_1630 ESP_024693_1630 (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
-16.7	207.	0.91	-12.4	48.8	47.8
Proposed Site for Future Exploration in Ladon Valles: ESP_024728_1595 ESP_024227_1595 (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
-20.5	329.	21.3	-1.13	48.3	42.5
Well-Preserved 4 Kilometer Impact Crater in Arabia Terra: ESP_024924_1945 ESP_025346_1945 (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
14.30	15.6	7.52	-4.42	37.4	40.7
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