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

Osuga Valles: ESP_079178_1640 ESP_087894_1640 (Interval in Earth days: 680)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-15.7	320.	6.83	-2.42	64.4	63.8
Traverse Ramp in East Coprates Chasma: ESP_079284_1640 ESP_079429_1640 (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
-15.6	306.	8.24	25.11	64.7	64.0
Equatorial-Facing Trough Exposure of North Polar Layered Deposits: ESP_079394_2665 ESP_079461_2665 (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
86.50	132.	-2.3	-17.9	61.4	62.0
Irregular Pit Chain near Sirenum Fossae: ESP_079274_1535 ESP_079841_1535 (Interval in Earth days: 44)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-26.0	221.	6.67	22.32	71.8	71.8
Sample Striated Floor of Ravi Vallis: ESP_079389_1795 ESP_078466_1795 (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
-0.43	318.	5.62	-5.70	55.8	51.5
Cinder Cone Complex at Ladon Samara Confluence: ESP_079006_1660 ESP_079362_1660 (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
-14.0	337.	-8.7	4.065	63.4	64.2
Dune Interaction with Residual Polar Ice: ESP_079304_2605 ESP_079211_2605 (Interval in Earth days: 7)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
80.50	97.6	-0.4	26.78	57.5	56.2
Ridged Flow-Like Features in Deuteronilus Mensae: ESP_079228_2240 ESP_079716_2240 (Interval in Earth days: 38)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
43.43	28.3	3.24	-13.4	43.4	45.9
Pit in Hephaestus Fossae: ESP_079251_1985 ESP_079396_1985 (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
18.40	124.	-5.0	11.77	47.4	46.5
Channels in Arabia Terra: ESP_079123_2185 ESP_079413_2185 (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
38.05	17.0	-8.1	17.66	44.0	42.2
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