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

Channeled Terraces and Debris Fan in Crater in Arabia Terra: ESP_087022_2165 ESP_087167_2165 (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
35.93	0.65	-9.7	3.05	43.4	42.1
Pitted Cone with Clear Moat: ESP_086926_2080 ESP_087071_2080 (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
27.85	102.	-8.9	4.814	42.3	41.3
Exposed Ancient Crust in Coprates Chasma: ESP_086866_1650 ESP_080550_1650 (Interval in Earth days: 492)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-14.9	305.	-10.	25.78	55.0	63.2
Ripple Changes Northeast of Herschel Crater: ESP_086846_1680 ESP_086912_1680 (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
-11.9	130.	0.38	-22.4	52.4	54.7
Lobate Flow Feature in Nereidum Montes: ESP_086800_1340 ESP_060346_1340 (Interval in Earth days: 2061)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-45.4	309.	12.1	-6.74	73.5	72.3
Southern Canyon Wall in East Coprates Chasma: ESP_087077_1640 ESP_079350_1640 (Interval in Earth days: 602)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-15.6	304.	-0.9	15.12	57.2	64.5
North-Pole-Facing Deposit in Crater Associated with Headwall Erosion: ESP_087078_2245 ESP_087144_2245 (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
44.13	268.	3.97	-10.9	44.1	45.1
Ridge Over Hill in Hellas Planitia: ESP_086821_1375 ESP_086676_1375 (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
-41.9	97.7	-3.9	-15.1	72.1	70.7
Northern Plains Crater: ESP_086922_2295 ESP_087199_2295 (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
49.01	208.	-5.1	-21.0	47.3	47.4
Small Alluvial Fans in Kasei Valles: ESP_087156_2065 ESP_087011_2065 (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
26.44	299.	26.2	13.41	39.5	40.5
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