There are several indexes of Viking Orbiter imagery available. Descriptions of each follows.
This file contains an index giving the image id, latitude, longitude, and pixel resolution for all Viking Orbiter images. The first few lines of the file are given below:
latitude: of center of image (degrees), + is north, - is south longitude: of center of image (degrees west) scaled pixel width: image center pixel width in km image id latitude longitude scaled pixel width ---------- -------- --------- ------------------ 003A01 +20.13 37.35 0.045 003A02 +19.63 37.19 0.045 003A03 +20.71 36.23 0.046
This file contains the image id, latitude, longitude, and pixel resolution for the B and S images from the file above.
This file contains the image id, latitude, longitude, and pixel resolution for the A images from the file above.
This file contains a list of IAU approved names of features on Mars and descriptions of the features and their locations. The first few lines of the file are given below:
Mars Gazetteer Mars feature names and locations. Explanations of columns are given at the end of this list. Target Search Feature Feature Name Min. Max. Center Min. Max. Center Length USGS Name Appr. Feature Map Description Body Name (w/ diacritical marks) Lat. Lat. Lat. Long. Long. Long. (km) ID Status Date Type ref. ID MARS ,ABALOS UNDAE ,Abalos Undae , 81.00, 81.00, 81.00, 83.10, 83.10, 83.10,CR, 218.00,EU,RM,I1811 ,IAU-APPROVED,1988,UNDAE , 57,80090 ,Classical albedo feature at 72N, 70W MARS ,ABUS VALLIS ,Abus Vallis , -6.30, -6.30, -6.30, 147.50, 147.50, 147.50,CR, 129.00,EU,GB,I184 ,IAU-APPROVED,1985,VALLIS , 56,MC18SE,Classical name for Humber River in England