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-consecutive 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.

When citing this product, use the following reference:

Klem, S. M., Henriksen, M. R., Stopar, J., Boyd, A., & Robinson, M. S. (2014). Controlled LROC Narrow Angle Camera High Resolution Mosaics. In Lunar and Planetary Science Conference (Vol. 45, abstract #2885).

Site Name Riccioli crater
Center Lat -3.2
Center Lon 285.7
Pixel Scale 1.00 m/px
# Images 8
Incidence Low Sun

Images used, in order of layering from front to back:
Image ID Center Lat Center Lon Incidence Pixel Scale
M1139385950L -3.14 286.22 72° 1.05 m/px
M1139385950R -3.15 286.04 72° 1.06 m/px
M1139393063L -3.15 285.90 71° 0.98 m/px
M1139393063R -3.16 285.75 71° 0.98 m/px
M1139400175L -3.16 285.63 70° 0.97 m/px
M1139400175R -3.17 285.48 70° 0.97 m/px
M1139407288L -3.17 285.35 70° 1.03 m/px
M1139407288R -3.18 285.18 70° 1.02 m/px

Riccioli crater low-Sun controlled NAC mosaic (B)

Mosaic (1.00 m/px) (click for more information)