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

Fluvial Features Northwest of the Elysium Region: ESP_017285_2140 ESP_017707_2140 (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
33.83	128.	5.01	-9.66	40.6	42.5
Debris Apron Terrain in Deuteronilus Mensae: ESP_017170_2250 ESP_017671_2250 (Interval in Earth days: 39)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
44.66	28.3	-6.2	5.977	42.6	41.6
Light-Toned Mounds in Acidalia Planitia: ESP_017132_2250 ESP_017633_2250 (Interval in Earth days: 39)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
44.43	345.	-6.6	5.659	42.7	41.6
Gullies with Bright Deposits in Poynting Crater: ESP_017149_1890 ESP_017294_1890 (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
8.768	246.	-12.	2.349	47.9	47.5
Chain of Pits on Arsia Mons: ESP_016978_1730 ESP_017189_1730 (Interval in Earth days: 16)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-6.76	236.	-1.3	-12.0	54.3	56.3
Central Uplift and Layered Materials on Crater Floor: ESP_016435_2200 ESP_017714_2200 (Interval in Earth days: 99)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
39.61	294.	0	10.58	42.2	40.7
Discontinuous Small Channel South of Dao Vallis: ESP_016311_1420 ESP_016588_1420 (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
-37.6	89.5	5.56	-17.0	67.7	72.4
Field of Small Volcanoes Northeast of Ascraeus Mons: ESP_016489_1945 ESP_017122_1945 (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
14.35	263.	7.23	-11.9	41.0	45.5
Ridged Material in Viking Image 693A34: ESP_016359_1910 ESP_016992_1910 (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
10.86	212.	13.8	-2.12	40.6	45.5
Knobby Crater Floor Material: ESP_016390_1580 ESP_016746_1580 (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
-21.6	91.6	-6.6	6.384	58.3	61.5
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