The two Narrow Angle Cameras (NACs) provide high-resolution (0.5 to 2.0 m/pixel) panchromatic images over a combined 5 km swath. NAC images acquired on consecutive orbits, or occasionally over non-consectutive orbits under very similar lighting conditions (e.g. less than 5° difference in incidence angle and the same sun direction), can be combined to create controlled mosaics. A control network is generated to tie the images to the most accurate ground truth available and a bundle adjustment is performed to correct for pointing errors and image alignment. The images are then map-projected using the GLD100 (WAC derived 100 m/pixel DTM) and LOLA derived crossover corrected ephemeris and mosaicked together into an almost seamless mosaic of the region.

RDR Name NAC_ROI_COPERNICLOB_E103N3402
Site Name Copernicus Crater
Center Lat 10.3
Center Lon 340.2
Pixel Scale 1.30 m/px
# Images 6
Incidence Low Sun

Images used, in order of layering from front to back:
Image ID Center Lat Center Lon Incidence Pixel Scale
M193082315L 10.17 340.68 73° 1.24 m/px
M193082315R 10.17 340.48 73° 1.24 m/px
M193096608L 10.32 339.90 72° 1.25 m/px
M193096608R 10.32 339.69 72° 1.25 m/px
M193089462L 10.25 340.29 72° 1.23 m/px
M193089462R 10.25 340.10 73° 1.23 m/px

Copernicus crater low-Sun controlled NAC mosaic (B)

Mosaic (1.30 m/px) (click for more information)


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