Concernant la dernière photo que vous évoquez, connaissez-vous l'échelle de résolution du cliché, afin de pouvoir déterminer la taille des "objets" visibles ?
Cordialement,
Bruno
Ancillary data for MOC narrow-angle image M08-04688
Acquisition parameters
Image ID (picno): M08-04688
Image start time: 1999-10-19T17:16:19.14 SCET
Image width: 512 pixels
Image height: 2304 pixels
Line integration time: 0.7231 millisec
Pixel aspect ratio: 1.61
Crosstrack summing: 4
Downtrack summing: 4
Compression type: MOC-PRED-X-5
Gain mode: 4A (hexadecimal)
Offset mode: 36 (decimal)
Derived values
Longitude of image center: 284.38°W
Latitude of image center: 82.02°S
Scaled pixel width: 5.50 meters
Scaled image width: 2.83 km
Scaled image height: 20.46 km
Solar longitude (Ls): 227.77°
Local True Solar Time: 1.04 decimal hours
Emission angle: 0.26°
Incidence angle: 79.32°
Phase angle: 79.18°
North azimuth: 248.42°
Sun azimuth: 53.26°
Spacecraft altitude: 370.13 km
Slant distance: 370.13 km
Espérant les informations conformes
Salutations