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

Alluvial Braided Fan at Terminus of Karun Valles: ESP_049775_1440 ESP_049920_1440 (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
-35.7	174.	5.03	25.12	37.1	37.7
Collapse Terrain Near Head of Ravi Vallis: ESP_050007_1780 ESP_059317_1780 (Interval in Earth days: 725)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-1.82	316.	3.87	-18.2	31.1	34.4
Pitted Material in Large Crater North of Hellas Planitia : ESP_049872_1580 ESP_050017_1580 (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
-21.6	44.6	4.62	19.35	31.9	32.1
Residual South Polar Cap Deposits : ESP_049782_0930 ESP_049768_0930 (Interval in Earth days: 1)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-86.7	16.2	13.2	27.20	76.4	75.2
Western Continuous Ejecta of Istok Crater in Thaumasia Fossae : ESP_049811_1345 ESP_049877_1345 (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
-45.1	274.	-5.3	-19.3	44.2	46.0
Lava Channels in Daedalia Planum : ESP_049720_1595 ESP_049997_1595 (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
-20.3	234.	-0.8	-20.6	30.9	34.5
Darker Inverted Terrain Within Light-Toned Possibly Altered Terrain : ESP_049880_1410 ESP_049735_1410 (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
-38.8	188.	6.06	-14.4	40.3	39.7
Intersection between Ejecta and Cone : ESP_050098_2205 ESP_050942_2205 (Interval in Earth days: 65)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
40.19	345.	7.36	-26.0	53.6	46.5
Changes in Enigmatic Terra Sabaea Bedforms: ESP_049885_1720 ESP_049951_1720 (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
-7.84	48.4	-0.2	-20.6	30.7	32.4
Wrinkle Ridges and Knobs in Schiaparelli Crater : ESP_050084_1780 ESP_050519_1780 (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
-1.82	15.0	-8.0	23.71	32.1	31.1
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