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

Well-Preserved 15-Kilometer Diameter Crater Near Alba Mons : ESP_029729_2195 ESP_020894_2195 (Interval in Earth days: 689)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
39.07	238.	-22.	-9.47	73.1	72.1
Merging Channels in Harmakhis Vallis : ESP_029471_1375 ESP_030104_1375 (Interval in Earth days: 50)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-41.9	90.1	6.19	-13.6	58.4	50.4
Gullies on Two Sides of Mound in Nereidum Montes : ESP_029436_1355 ESP_047528_1355 (Interval in Earth days: 1409)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-44.1	326.	4.50	-13.2	59.8	52.2
Mound and Textured Material in THEMIS Image I08552017 in Hydraotes Chaos : ESP_029660_1780 ESP_037743_1780 (Interval in Earth days: 630)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-1.89	325.	-1.6	14.37	54.2	55.6
Monitoring Active Dunes in Arabia Terra : ESP_029605_1815 ESP_029961_1815 (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
1.219	26.4	1.11	12.56	54.8	53.3
Streamlined Forms in Shalbatana Vallis : ESP_029502_1945 ESP_029647_1945 (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
14.57	317.	-7.8	5.518	59.0	58.7
Possible Fan in Crater : ESP_029490_1565 ESP_029912_1565 (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
-23.3	288.	3.81	-10.5	53.9	50.7
Source Area for Channel Network Near Gigas Sulci : ESP_029716_1980 ESP_029426_1980 (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
17.81	232.	15.8	-10.3	59.5	59.8
Light-Toned Depostis Along Coprates Chasma Floor : ESP_029595_1660 ESP_047054_1660 (Interval in Earth days: 1360)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-13.9	301.	1.95	10.85	52.7	50.3
Layered Material in Melas Chasma : ESP_029411_1690 ESP_055599_1690 (Interval in Earth days: 2040)
Center lat.	Center long.	1st half roll angle	2nd half roll angle	1st half incidence angle	2nd half incidence angle
-10.6	284.	-1.8	24.60	54.1	51.0
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