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

Channels in Northern Arabia Region: ESP_025122_2215 ESP_026177_2215 (Interval in Earth days: 82)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
41.18	6.08	6.88	-8.44	41.6	41.2
Reticulate Bedform and Recent Impact Crater: ESP_025152_1945 ESP_025007_1945 (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
14.48	268.	28.3	15.12	36.7	37.2
Erosional Features Near Head of Grjota Valles: ESP_025156_1965 ESP_025011_1965 (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
16.14	161.	12.4	-2.60	37.9	38.5
Fluvial Fan on Crater Floor as Seen in THEMIS Image I03235002: ESP_025309_2155 ESP_024887_2155 (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
35.15	304.	-17.	-8.15	41.4	41.4
Dunes: ESP_025330_1730 ESP_025475_1730 (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
-6.93	93.9	8.60	25.68	48.5	48.7
Exposed Bedrock on Western Side of 42-Kilometer Crater Central Uplift: ESP_025304_1560 ESP_025027_1560 (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
-23.5	88.5	-22.	4.349	60.6	55.5
Well-Preserved 8-Kilometer Impact Crater with Central Peak: ESP_025295_2090 ESP_025994_2090 (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
28.72	325.	6.64	-19.1	38.4	41.8
Banded Terrain in Hellas Region: ESP_025147_1410 ESP_025437_1410 (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
-38.5	55.3	-4.0	23.78	68.2	70.2
Gullies and Possible Flow Features: ESP_025177_1525 ESP_025744_1525 (Interval in Earth days: 44)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-27.1	314.	-7.7	4.178	60.6	66.0
Fine-Scale Reticulate Bedform Change Detection in Daedalia Planum: ESP_025391_1750 ESP_025101_1750 (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
-5.09	226.	27.6	-5.91	46.7	46.1
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