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

Light-Toned Stratified Materials in Melas Chasma: ESP_031125_1670 ESP_031903_1670 (Interval in Earth days: 61)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-13.0	289.	-4.6	-18.9	38.4	33.6
USGS Dune Database Entry Number 2226-767: ESP_031260_1030 ESP_031062_1030 (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
-76.6	223.	-13.	3.747	58.8	57.0
Light-Toned Materials Exposed within Holden Crater Secondary Crater: ESP_031071_1605 ESP_030649_1605 (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
-19.4	325.	-19.	2.767	38.3	41.6
Blocky Deposit on Floor of Melas Chasma: ESP_030967_1715 ESP_031956_1715 (Interval in Earth days: 77)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-8.64	282.	-8.4	-27.2	42.2	34.9
Monitor Seasonal Changes at South Polar Cracked and Gullied Site: ESP_031213_0980 ESP_031266_0980 (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
-81.6	66.2	6.48	-6.79	61.2	62.4
Margin of Pedestal Crater in Malea Planum: ESP_030936_1125 ESP_031160_1125 (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
-67.2	61.8	-15.	7.116	51.8	50.4
Light-Toned Possible Fans at Base of Crater Wall: ESP_031127_1500 ESP_075647_1500 (Interval in Earth days: 3469)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-29.6	236.	2.27	-8.59	35.1	36.3
Well-Preserved Crater in Hesperia Planum: ESP_031171_1610 ESP_032160_1610 (Interval in Earth days: 77)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-18.8	113.	1.89	-8.45	35.8	33.3
USGS Dune Database 2280-788 Changes: ESP_031194_1010 ESP_031141_1010 (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
-78.7	228.	-14.	3.468	60.1	58.8
Monitor Steep Slopes in Depression North of Ganges Chasma: ESP_031032_1765 ESP_031177_1765 (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
-2.61	308.	-19.	-3.73	45.0	42.3
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