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

Northeast Syrtis Major Planum Lava and Hydrated Minerals: ESP_039836_1965 ESP_048486_1965 (Interval in Earth days: 674)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
16.50	76.7	-1.0	19.24	57.2	54.7
Barchan Dune Changes: ESP_039666_1380 ESP_039732_1380 (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
-41.4	44.6	1.20	-14.9	41.0	41.6
Ridges in Zephyria Planum: ESP_039675_1760 ESP_040097_1760 (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
-4.03	153.	5.34	-6.18	46.5	42.2
Layered Units in Northwest Hellas Region: ESP_039863_1510 ESP_040074_1510 (Interval in Earth days: 17)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-28.8	64.7	7.12	-5.58	37.4	36.5
Gullies in Southern Mid-Latitude Crater: ESP_039721_1400 ESP_066147_1400 (Interval in Earth days: 2059)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-39.5	343.	-3.3	6.732	40.4	41.9
Mawrth Vallis Region: ESP_039879_2025 ESP_040301_2025 (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
22.02	342.	-5.3	-24.1	60.9	56.9
Small Volcano in Ceraunius Fossae Region: ESP_039645_2060 ESP_040001_2060 (Interval in Earth days: 28)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
25.50	250.	-10.	3.512	65.8	61.5
Gullies and Viscous Flow Feature in Nereidum Montes: ESP_039643_1400 ESP_039709_1400 (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
-39.4	311.	4.84	-12.0	40.6	41.2
Alluvial Fans in Southeastern Mojave Crater: ESP_039695_1875 ESP_040618_1875 (Interval in Earth days: 72)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
7.214	327.	-7.2	11.40	53.2	41.0
Floor Deposits in East Candor Chasma: ESP_039604_1720 ESP_039749_1720 (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
-8.04	293.	-6.5	15.65	46.4	43.1
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