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

Material Flowing Through Gap in Crater Rim East of Hellas Planitia: ESP_020543_1345 ESP_029246_1345 (Interval in Earth days: 678)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-45.2	111.	-0.3	25.69	62.1	61.5
Slope Streaks on Wall of Nicholson Crater: ESP_020421_1810 ESP_081543_1810 (Interval in Earth days: 4763)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
1.037	195.	7.05	-1.74	54.6	57.9
Central Uplift in 20-Kilometer Diameter Crater: ESP_020472_1475 ESP_068024_1475 (Interval in Earth days: 3705)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-32.3	247.	5.07	-11.7	58.2	51.4
Central Structure of Large Impact Crater: ESP_020695_1440 ESP_029398_1440 (Interval in Earth days: 678)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-35.5	280.	-0.9	26.38	56.6	55.8
Faults in Claritas Fossae: ESP_020775_1535 ESP_021487_1535 (Interval in Earth days: 55)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-26.1	254.	4.50	17.44	53.5	43.8
Floor of East Candor Chasma: ESP_020668_1720 ESP_020813_1720 (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
-7.93	293.	6.15	22.34	53.6	51.7
Bedrock Exposure in Landslide Scarp: ESP_020879_1670 ESP_021657_1670 (Interval in Earth days: 61)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-12.9	293.	5.19	-7.68	52.2	46.1
Sinuous Ridges in the Aeolis/Zephyria Region: ESP_020528_1750 ESP_020673_1750 (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
-5.06	154.	7.87	22.67	54.0	52.4
Fan and Valley within Crater: ESP_020323_2050 ESP_020824_2050 (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
24.54	348.	-1.3	18.52	59.4	62.1
Classic Spider Terrain: ESP_020214_0935 ESP_020215_0935 (Interval in Earth days: 0)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-86.4	98.9	29.3	10.52	86.7	88.3
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