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

Pitted Cones in Utopia Planitia : ESP_050450_2120 ESP_059404_2120 (Interval in Earth days: 698)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
31.85	96.4	2.10	-8.76	43.7	43.2
Fissure Vent Forming Low Shield in Athabasca Valles Region : ESP_050171_1895 ESP_057305_1895 (Interval in Earth days: 556)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
9.608	157.	-0.0	28.89	34.3	49.4
Nili Patera Monitoring : ESP_050438_1890 ESP_051071_1890 (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
8.704	67.3	-0.4	-29.2	33.4	38.1
Contact in Eastern Lyot Crater : ESP_050307_2345 ESP_050531_2345 (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
53.92	37.3	0.24	23.78	61.7	57.3
Crater Breach and Associated Channels : ESP_050308_2225 ESP_050585_2225 (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
42.37	12.1	0.88	-23.2	52.7	51.0
Stratigraphy Exposed by an Impact Crater: ESP_049990_1635 ESP_050280_1635 (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
-16.1	63.1	-3.7	15.11	32.0	33.2
Irregular Rimmed Features in Nereidum Montes: ESP_049902_1340 ESP_049968_1340 (Interval in Earth days: 6)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-45.8	308.	7.16	-10.2	45.3	47.3
Light-Toned Deposits on Floor of Orson Welles Crater : ESP_050073_1790 ESP_050640_1790 (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
-0.75	314.	2.67	-14.1	31.4	34.9
Changes in Enigmatic Terra Sabaea Bedforms: ESP_049885_1720 ESP_049951_1720 (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
-7.84	48.4	-0.2	-20.6	30.7	32.4
Well-Exposed Southern Portion of Hargraves Crater Ejecta Blanket : ESP_049963_2005 ESP_049818_2005 (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
20.07	76.0	-5.5	-24.4	41.6	44.4
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