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.im-ldi.com/data/LRO-L-LROC-5-RDR-V1.0/LROLRC_2001/EXTRAS/BROWSE/NAC_PHO/E064S3160

This page allows you to preview images based on photometric conditions. Azimuth are given as degrees clockwise from north, and incidence angle is arbitrarily signed so that negative indicates sunlight is from the west. Selecting an image in the list will display it on the left and its photometric angles on the 3D display. Images names highlighted in dark gray are a set with similar incidence angles. The sliders in the lower left will also preview different images. The incidence and phase sliders will select from all images, while the emission slider selects within the currently highlighted set.

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.im-ldi.com/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_E064S3160
Site Name	Unnamed New 50m Crater
Center Lat	6.0
Center Lon	316.0
Minimum Lat	-7.04
Western-most Lon	315.80
Maximum Lat	-5.82
Eastern-most Lon	316.10
DTM Used	NAC_DTM_NEWCRATER6_E064S3160
# Images	50

Images used:

Image ID	Avg Incidence	Avg Emission	Avg Phase	Pixel Scale	Date
M1108568462R	70°	1°	69°	1.89 m/px	2012-11-26
M1134487519R	14°	1°	13°	0.83 m/px	2013-09-22
M1188650032L	67°	2°	69°	0.71 m/px	2015-06-11
M1188650032R	67°	1°	66°	0.71 m/px	2015-06-11
M1195713177L	15°	2°	17°	0.74 m/px	2015-09-01
M1219245090L	63°	17°	80°	0.70 m/px	2016-05-30
M1219245090R	64°	14°	77°	0.70 m/px	2016-05-30
M1219252124L	64°	11°	53°	0.69 m/px	2016-05-30
M1219252124R	64°	14°	50°	0.69 m/px	2016-05-30
M1234538225L	64°	2°	66°	0.97 m/px	2016-11-23
M1234538225R	64°	1°	63°	0.97 m/px	2016-11-23
M1239243142L	9°	2°	11°	0.99 m/px	2017-01-16
M1239243142R	9°	1°	9°	0.98 m/px	2017-01-16
M1249831744L	59°	8°	66°	0.70 m/px	2017-05-19
M1249831744R	59°	5°	64°	0.70 m/px	2017-05-19
M1249838777L	60°	19°	41°	0.74 m/px	2017-05-19
M1249838777R	60°	22°	38°	0.74 m/px	2017-05-19
M1254537038L	7°	2°	8°	0.74 m/px	2017-07-12
M1254537038R	7°	1°	6°	0.74 m/px	2017-07-12
M1261591195L	79°	2°	80°	1.57 m/px	2017-10-02
M1261591195R	79°	1°	78°	1.57 m/px	2017-10-02
M1262761826L	87°	2°	88°	1.77 m/px	2017-10-16
M1262761826R	87°	1°	86°	1.77 m/px	2017-10-16
M1265110758L	58°	10°	68°	0.88 m/px	2017-11-12
M1265110758R	58°	8°	66°	0.88 m/px	2017-11-12
M1265117790L	59°	12°	47°	0.89 m/px	2017-11-12
M1265117790R	59°	15°	44°	0.89 m/px	2017-11-12
M1267459632L	29°	18°	46°	0.90 m/px	2017-12-09
M1267459632R	29°	15°	44°	0.89 m/px	2017-12-09
M1267466664L	30°	5°	25°	0.86 m/px	2017-12-09
M1267466664R	30°	8°	23°	0.86 m/px	2017-12-09
M1267473696L	31°	26°	7°	0.95 m/px	2017-12-09
M1267473696R	31°	28°	6°	0.96 m/px	2017-12-09
M1278050631L	80°	2°	81°	1.60 m/px	2018-04-11
M1278050631R	80°	1°	79°	1.60 m/px	2018-04-11
M1282753376L	25°	2°	26°	0.79 m/px	2018-06-04
M1282753376R	25°	1°	24°	0.79 m/px	2018-06-04
M1298031614L	23°	2°	25°	0.95 m/px	2018-11-28
M1298031614R	23°	1°	22°	0.94 m/px	2018-11-28
M1302734722L	36°	2°	38°	0.98 m/px	2019-01-21
M1328582651L	15°	2°	17°	0.95 m/px	2019-11-16
M1328582651R	15°	1°	14°	0.94 m/px	2019-11-16
M133119491R	83°	1°	82°	0.90 m/px	2010-07-07
M1350902281L	78°	15°	63°	1.61 m/px	2020-08-01
M1350902281R	78°	18°	61°	1.62 m/px	2020-08-01
M1356778509R	33°	14°	19°	0.94 m/px	2020-10-08
M147272417L	80°	2°	81°	0.86 m/px	2010-12-18
M170851114L	10°	2°	12°	0.48 m/px	2011-09-16
M170851114R	10°	1°	9°	0.48 m/px	2011-09-16
M193246310L	74°	2°	76°	2.09 m/px	2012-06-02

Unnamed New 50m Crater Photometry Site