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

Bright Dunes South of Echus Chasma: ESP_032734_1780 ESP_058804_1780 (Interval in Earth days: 2031)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-2.00	279.	-8.6	20.37	34.8	29.5
Streamlined Forms in Athabasca Valles: ESP_032699_1875 ESP_033200_1875 (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
7.582	153.	-6.5	8.57	35.5	35.7
Gullies and Bedrock on East Side of Maunder Crater: ESP_032507_1300 ESP_039984_1300 (Interval in Earth days: 583)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-49.6	2.68	1.44	17.50	53.0	40.4
Eroded Crater: ESP_032585_1870 ESP_033086_1870 (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
6.825	25.6	-1.1	16.26	35.0	34.5
Possible Hydrated Silicates in Acidalia Planitia: ESP_032850_2200 ESP_033641_2200 (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
39.91	347.	-6.6	21.87	50.4	41.9
USGS Dune Database Number 0284-520 Changes: ESP_032783_1275 ESP_033060_1275 (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
-52.0	28.5	-3.4	-25.7	59.8	65.9
Gullied Crater: ESP_032883_1400 ESP_033173_1400 (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
-39.6	175.	-2.3	16.04	52.4	56.3
Viscous Flow: ESP_032875_2195 ESP_033165_2195 (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
39.34	24.7	-7.0	8.757	49.7	45.9
Abrupt Terminations of Gully Aprons in CTX Image: ESP_032733_1350 ESP_049493_1350 (Interval in Earth days: 1306)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-44.4	312.	-6.3	14.09	53.5	38.6
Sharp-Looking High-Latitude Gullies: ESP_032560_1300 ESP_032692_1300 (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
-49.7	355.	-0.0	-29.5	54.0	58.1
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