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

Exposures of Various North Polar Geologic Units: ESP_017845_2625 ESP_018016_2625 (Interval in Earth days: 13)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
82.42	302.	-5.5	9.318	58.6	58.2
Fresh Looking Crater West of Erebus Montes in Arcadia Planitia: ESP_017784_2185 ESP_018272_2185 (Interval in Earth days: 38)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
38.05	184.	7.20	-20.5	41.1	45.1
Disrupted Blocky Outcrop in Cerberus Palus: ESP_018036_1880 ESP_043710_1880 (Interval in Earth days: 2001)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
8.089	149.	-6.4	6.703	50.5	45.5
Rampart Crater Sample: ESP_018010_2455 ESP_018656_2455 (Interval in Earth days: 51)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
65.42	128.	2.96	17.4	49.0	51.6
Rocky Flow Lobe From Impact Crater in Tyrrhena Terra: ESP_017998_1765 ESP_053667_1760 (Interval in Earth days: 2780)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-3.64	107.	5.38	27.65	56.0	52.2
Central Peak of a Large Crater in Acidalia Planitia: ESP_017700_2160 ESP_018412_2160 (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
35.81	319.	-4.0	7.082	42.0	43.2
Pits and Craters: ESP_017875_2305 ESP_018007_2305 (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
49.95	219.	-4.6	-28.8	43.8	46.5
Clay Diversity on Flank of Mawrth Vallis: ESP_017897_2045 ESP_018530_2045 (Interval in Earth days: 49)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
24.08	341.	4.44	-14.5	43.4	46.8
Impact Crater Teetering on the Edge of a Canyon: ESP_017740_1680 ESP_025810_1680 (Interval in Earth days: 629)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-11.7	312.	5.84	-8.97	60.6	56.8
Northern Hemisphere Gullies on a West-Facing Crater Slope: ESP_017405_2270 ESP_017827_2270 (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
46.67	90.1	7.09	-4.59	41.7	43.0
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