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 of the same feature across different incidence, emission, and phase angles make up a photometric site. To extract accurate photometric information from a sequence, a control network is generated to tie each image to a NAC Digital Terrain Model (DTM) [1] derived orthophoto (ground truth), facilitating precise photometric angle calculations using the NAC DTM [2]. A bundle adjustment is performed to correct for pointing errors and image alignment. The images are then map-projected onto high resolution local area NAC DTMs [3]. Browse PNG images for each of the images in the photometric series can be found at http://lroc.sese.asu.edu/data/LRO-L-LROC-5-RDR-V1.0/LROLRC_2001/EXTRAS/BROWSE/NAC_PHO/E018N3346 When citing this product, use the following reference: Martin, A. C., Boyd, A. K., Robinson, M. S. & the LROC Team (2018). Controlling LROC NAC Photometric Images. In Lunar and Planetary Science Conference (Vol. 49, abstract #1621). https://www.hou.usra.edu/meetings/lpsc2018/pdf/1621.pdf For more information about this and other RDRs, see the RDR Software Interface Specification (SIS) at http://lroc.sese.asu.edu/data/LRO-L-LROC-5-RDR-V1.0/LROLRC_2001/DOCUMENT/RDRSIS.PDF. References: 1. 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). https://www.hou.usra.edu/meetings/lpsc2014/pdf/2885.pdf 2. Woodham, R. J. (1980). Photometric method for determining surface orientation from multiple images. Optical engineering, 19(1), 191139.doi:10.1117/12.7972479 3. Henriksen, M. R., Gojic, D., Gray, P. E., Wagner, R. V., Robinson, M. S., & the LROC Team (2015). Regional LROC NAC Controlled Mosaic and Absolute Accuracy Assessment. In Second Planetary Data Workshop (Vol. 2, abstract #7033). https://www.hou.usra.edu/meetings/planetdata2015/pdf/7033.pdf - - - RDR Name: NAC_PHO_E018N3346 Site Name: Mare Impact Melt Center Lat: 1.0 Center Lon: 334.0 Minimum Lat: 1.75 Western-most Lon: 334.39 Maximum Lat: 2.70 Eastern-most Lon: 334.59 DTM Used: NAC_DTM_MAREMELT1_E018N3346 # Images: 54 Images used: Image ID | Avg Incidence | Avg Emission | Avg Phase | Pixel Scale | Date --------------+---------------+--------------+-----------+---------------------------- M107042466L | 24 deg | 2 deg | 26 deg | 1.10 m/px | 2009-09-08 M107042466R | 24 deg | 1 deg | 23 deg | 1.10 m/px | 2009-09-08 M1134366516L | 11 deg | 9 deg | 20 deg | 0.90 m/px | 2013-09-21 M1134366516R | 12 deg | 6 deg | 18 deg | 0.89 m/px | 2013-09-21 M1134373624L | 10 deg | 27 deg | 37 deg | 0.99 m/px | 2013-09-21 M1134373624R | 11 deg | 24 deg | 34 deg | 0.98 m/px | 2013-09-21 M1136719372L | 39 deg | 2 deg | 41 deg | 1.01 m/px | 2013-10-18 M1136719372R | 39 deg | 1 deg | 38 deg | 1.01 m/px | 2013-10-18 M1142603254L | 69 deg | 18 deg | 87 deg | 1.13 m/px | 2013-12-25 M1142603254R | 70 deg | 15 deg | 85 deg | 1.12 m/px | 2013-12-25 M1142610364L | 70 deg | 0 deg | 70 deg | 1.08 m/px | 2013-12-25 M1142610364R | 71 deg | 3 deg | 68 deg | 1.08 m/px | 2013-12-25 M1144963909L | 42 deg | 5 deg | 46 deg | 1.09 m/px | 2014-01-21 M1144963909R | 42 deg | 2 deg | 43 deg | 1.09 m/px | 2014-01-21 M1147324778L | 14 deg | 10 deg | 4 deg | 1.11 m/px | 2014-02-18 M1147324778R | 14 deg | 13 deg | 2 deg | 1.11 m/px | 2014-02-18 M1147331891L | 15 deg | 26 deg | 11 deg | 1.21 m/px | 2014-02-18 M1147331891R | 15 deg | 29 deg | 13 deg | 1.23 m/px | 2014-02-18 M1154385830L | 70 deg | 2 deg | 71 deg | 1.13 m/px | 2014-05-10 M1154385830R | 70 deg | 1 deg | 69 deg | 1.13 m/px | 2014-05-10 M1162625862L | 16 deg | 2 deg | 18 deg | 0.99 m/px | 2014-08-14 M1162625862R | 16 deg | 1 deg | 15 deg | 0.99 m/px | 2014-08-14 M116479947L | 86 deg | 2 deg | 88 deg | 0.90 m/px | 2009-12-26 M116479947R | 86 deg | 1 deg | 85 deg | 0.90 m/px | 2009-12-26 M1164981036L | 12 deg | 2 deg | 13 deg | 1.00 m/px | 2014-09-10 M1164981036R | 12 deg | 1 deg | 11 deg | 1.00 m/px | 2014-09-10 M1167326897L | 40 deg | 23 deg | 18 deg | 1.06 m/px | 2014-10-07 M1167326897R | 40 deg | 26 deg | 15 deg | 1.07 m/px | 2014-10-07 M1167333999R | 39 deg | 1 deg | 38 deg | 0.98 m/px | 2014-10-07 M1167341111L | 38 deg | 17 deg | 55 deg | 1.01 m/px | 2014-10-07 M1167341111R | 38 deg | 14 deg | 52 deg | 1.00 m/px | 2014-10-07 M1173221925L | 70 deg | 2 deg | 72 deg | 2.17 m/px | 2014-12-14 M1177933558L | 13 deg | 3 deg | 11 deg | 1.10 m/px | 2015-02-07 M1177933558R | 13 deg | 5 deg | 8 deg | 1.10 m/px | 2015-02-07 M1180285892L | 15 deg | 2 deg | 17 deg | 1.10 m/px | 2015-03-06 M1180285892R | 16 deg | 1 deg | 14 deg | 1.10 m/px | 2015-03-06 M1184994621L | 71 deg | 2 deg | 73 deg | 1.10 m/px | 2015-04-30 M1184994621R | 71 deg | 1 deg | 70 deg | 1.10 m/px | 2015-04-30 M1193232179L | 14 deg | 2 deg | 16 deg | 0.86 m/px | 2015-08-03 M1193232179R | 14 deg | 1 deg | 13 deg | 0.86 m/px | 2015-08-03 M1197970413L | 37 deg | 63 deg | 99 deg | 1.94 m/px | 2015-09-27 M1197970413R | 37 deg | 59 deg | 96 deg | 1.81 m/px | 2015-09-27 M1223830657L | 11 deg | 2 deg | 13 deg | 0.77 m/px | 2016-07-22 M1223830657R | 11 deg | 1 deg | 10 deg | 0.77 m/px | 2016-07-22 M1228535838L | 44 deg | 2 deg | 46 deg | 0.76 m/px | 2016-09-14 M1228535838R | 44 deg | 1 deg | 43 deg | 0.76 m/px | 2016-09-14 M1236774850R | 37 deg | 1 deg | 36 deg | 1.07 m/px | 2016-12-19 M1239123789L | 8 deg | 2 deg | 10 deg | 1.04 m/px | 2017-01-15 M1254410289L | 6 deg | 2 deg | 8 deg | 0.80 m/px | 2017-07-11 M1254410289R | 6 deg | 1 deg | 5 deg | 0.80 m/px | 2017-07-11 M166012457L | 63 deg | 2 deg | 65 deg | 0.48 m/px | 2011-07-22 M166012457R | 63 deg | 1 deg | 62 deg | 0.48 m/px | 2011-07-22 M177799377L | 73 deg | 1 deg | 72 deg | 0.80 m/px | 2011-12-06 M183696581R | 36 deg | 1 deg | 35 deg | 1.17 m/px | 2012-02-12