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

Knobs in East Candor Chasma: ESP_012031_1720 ESP_012664_1720 (Interval in Earth days: 50)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-8.03	294.	-7.5	-28.0	56.4	53.4
Rayed 6-Kilometer Diameter Crater: ESP_011893_1635 ESP_012315_1635 (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
-16.3	102.	-3.5	-15.7	56.5	53.8
Recent Impact Crater Through Medusae Fossae Formation and Flood Lavas: ESP_012234_1820 ESP_012511_1820 (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
1.990	148.	22.3	-6.87	55.6	56.7
Cascading Channel in Noachis Pit Crater in MOC M12-00595: ESP_012411_1320 ESP_014046_1320 (Interval in Earth days: 127)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-47.5	5.30	-0.5	13.90	53.5	40.9
Fresh Crater with Lots of Gullies: ESP_011672_1395 ESP_011817_1395 (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
-40.3	20.1	-7.0	7.602	63.3	60.3
East Portion of Flow in Harmakhis Vallis: ESP_012434_1420 ESP_012579_1420 (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
-37.7	95.5	1.58	12.57	51.0	48.0
Large Fan in Porter Crater: ESP_012455_1290 ESP_012745_1290 (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
-50.8	245.	-8.9	10.54	54.4	48.5
Cataracts at the Proximal Ends of Distributaries in Athabasca Valles: ESP_011891_1885 ESP_012313_1885 (Interval in Earth days: 32)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
8.235	154.	-7.7	-19.1	60.0	60.9
Shalbatana Vallis Layering: ESP_011740_1830 ESP_019454_1830 (Interval in Earth days: 601)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
3.120	316.	8.28	-8.81	57.4	54.2
Gully Fans with Age Constraint: ESP_012314_1450 ESP_012459_1450 (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
-34.8	131.	3.91	17.39	52.2	49.0
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