The WAC global mosaic is comprised of over 15,000 images acquired between November 2009 and February 2011. The WAC maps the whole Moon in one month, however the solar incidence angle at the equator changes about 28° from the beginning to the end of the month. To even out the incidence angle variations, the equatorial mosaic is comprised of data collected over three periods (1/20/2010 to 1/28/2010, 5/30/2010 to 6/6/2010, 7/24/2010 to 7/31/2010). The South Pole mosaic images were acquired 8/10/10 to 9/19/10 and the north polar images 4/22/10 to 5/19/10 (Table 1). Some gores were filled with data taken at other times. The non-polar images were map projected onto the GLD100 (WAC derived 100m/pixel DTM) while polar images were map projected on the LOLA shape model (80° to 90° N/S) and the GLD100 (60° to 80° N/S). In addition, the LOLA derived crossover corrected ephemeris and an improved camera pointing provide accurate positioning of each WAC image. Because the polar images were acquired at a different season than the equatorial images, and the lunar photometric function is not perfectly known, there is a brightness difference where the polar mosaics meet the equatorial mosaics. In a future release this discontinuity will be reduced.

The WAC global mosaic is archived in ten regional tiles at three different resolutions: 100 meters/pixel, 128 pixels/degree and 256 pixels/degree. Eight of the tiles are equirectangular projections that encompass 60° latitude by 90° longitude. In addition, two polar stereographic projections are available for each pole from 60° to the pole.

Product Name Latitude Range Longitude Range Date Range Beta Angle Range Azimuth Range
WAC_GLOBAL_E300N0450 0° to 60° 0° to 90° 7/24/10 to 7/31/10 60-66 West
WAC_GLOBAL_E300S0450 -60° to 0° 0° to 90° 7/24/10 to 7/31/10 60-66 West
WAC_GLOBAL_E300N1350 0° to 60° 90° to 180° 1/20/10 to 1/28/10 61-69 West
WAC_GLOBAL_E300S1350 -60° to 0° 90° to 180° 1/20/10 to 1/28/10 61-69 West
WAC_GLOBAL_E300N2250 0° to 60° 180° to 270° 5/30/10 to 6/6/10 61-69 East
WAC_GLOBAL_E300S2250 -60° to 0° 180° to 270° 5/30/10 to 6/6/10 61-68 East
WAC_GLOBAL_E300N3150 0° to 60° 270° to 360° 7/30/10 to 8/7/10 55-61 West
WAC_GLOBAL_E300S3150 -60° to 0° 270° to 360° 7/30/10 to 8/7/10 53-61 West
WAC_GLOBAL_P900N0000 60° to 90° 0° to 360° 4/22/10 to 5/19/10 23-50 -
WAC_GLOBAL_P900S0000 -90° to -60° 0° to 360° 8/10/10 to 9/19/10 10-50 -

WAC Global Morphologic Map

100 meters per pixel

Wac_global_p900n0000_100m Wac_global_p900s0000_100m
Wac_global_e300n0450_100m Wac_global_e300n1350_100m Wac_global_e300n2250_100m Wac_global_e300n3150_100m
Wac_global_e300s0450_100m Wac_global_e300s1350_100m Wac_global_e300s2250_100m Wac_global_e300s3150_100m

265 pixels per degree

Wac_global_p900n0000_256p Wac_global_p900s0000_256p
Wac_global_e300n0450_256p Wac_global_e300n1350_256p Wac_global_e300n2250_256p Wac_global_e300n3150_256p
Wac_global_e300s0450_256p Wac_global_e300s1350_256p Wac_global_e300s2250_256p Wac_global_e300s3150_256p

128 pixels per degree

Wac_global_p900n0000_128p Wac_global_p900s0000_128p
Wac_global_e450n0450_128p Wac_global_e450n1350_128p Wac_global_e450n2250_128p Wac_global_e450n3150_128p
Wac_global_e450s0450_128p Wac_global_e450s1350_128p Wac_global_e450s2250_128p Wac_global_e450s3150_128p