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 Tycho Floor
Center Lat -43.0
Center Lon 348.6
Pixel Scale 1.20 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
M1127221798R -42.98 348.46 77° 1.19 m/px
M1127207575R -42.96 348.94 75° 1.19 m/px
M1127214686R -42.97 348.69 76° 1.12 m/px
M1127214686L -42.98 348.57 76° 1.12 m/px
M1127207575L -42.97 348.81 75° 1.20 m/px
M1127221798L -42.98 348.33 76° 1.18 m/px

Tycho Floor low-Sun controlled NAC mosaic (A)

Mosaic (1.20 m/px) (click for more information)