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

Possible Region of Past Ponded Water: ESP_014407_2045 ESP_020288_2045 (Interval in Earth days: 458)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
24.15	221.	5.35	29.18	49.2	56.3
Lineated Valley Fill in Nilosyrtis Region: ESP_014307_2130 ESP_020188_2130 (Interval in Earth days: 458)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
32.47	70.8	-0.7	24.40	56.9	58.3
Ophir Chasma Interior Deposits: ESP_014352_1760 ESP_021499_1760 (Interval in Earth days: 557)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-4.01	287.	-4.3	-21.7	35.5	51.9
Central Uplift of a Large Crater North of Hellas Planitia: ESP_014439_1505 ESP_020742_1505 (Interval in Earth days: 491)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-29.2	74.5	5.54	18.53	36.0	53.2
Small Crater on Lobate Apron: ESP_014398_1305 ESP_020490_1305 (Interval in Earth days: 475)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-49.4	118.	-7.6	7.572	47.0	64.0
Possible Kieserite-Rich Terrain in Hebes Chasma: ESP_014418_1790 ESP_019864_1790 (Interval in Earth days: 425)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-1.18	284.	1.76	-16.7	35.6	56.2
Exposure of Polar Layered Deposits with Knobs in Places: ESP_014292_1070 ESP_014345_1070 (Interval in Earth days: 4)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-73.0	139.	-4.9	-28.3	62.6	65.0
Large Rocky Central Uplift: ESP_014410_1470 ESP_020423_1470 (Interval in Earth days: 468)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-32.5	146.	2.49	-12.5	37.2	60.1
Exposures of Layered Rocks in Argyre Region: ESP_014167_1300 ESP_021947_1300 (Interval in Earth days: 606)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-49.7	302.	8.10	-18.2	43.7	44.1
Ferric Oxide-Rich Deposit in East Candor Chasma: ESP_014154_1730 ESP_014431_1730 (Interval in Earth days: 21)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-6.75	292.	5.69	-21.1	35.2	35.9
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