This preliminary mosaic of an Artemis III candidate landing site is composed of images selected to optimize illuminated terrain coverage. As a first step, the thousands of NAC images of the south pole were filtered to the region of interest and divided into square segments along the image track at 20 m/pixel to minimize file sizes and provide flexibility to use only illuminated portions of each image for mosaicking. To determine optimal image ordering, we used sub-solar longitudes to guide the image selection to ensure local areas had consistent lighting geometries. For a first pass at offset correction, we used the results of aligning most of the LROC NAC images poleward of 84° south as described in Wagner et al. 2022 (LPSC LIII, Abstract no. 2573). Each image segment was then map-projected at native image resolution (1 m/px) and images with sub-solar longitudes within 10° bins were mosaicked together. As a second pass at offset correction, we compared the sub-solar longitude mosaics to the LOLA shaded relief product (5 m pixel scale). The final mosaic is a 1 m/pixel 16-bit (unsigned word) GeoTiff masked along boundaries between images with different lighting and blended for a more “seamless” mosaic. This mosaic is composed of 144 NACs (656 image segments) and 3 bins of sub-solar longitude. We estimate the absolute positional accuracy to be 5 to 20 m.
When citing this product, use the following reference: Henriksen, M. R., Burnette, S.R., Brown, H.M., Wagner, R.V., Robinson, M.S., Collins, W.M., Grieser, S.A., Boyd, A.K. (2023), Optimized Illuminated Terrain Coverage of the Candidate Artemis III Landing Sites with LROC NAC Controlled Mosaics. European Lunar Symposium, https://sservi.directus.app/assets/2483b7e0-a336-443d-8739-3d5f4756e1fb.pdf, pg 134-135.
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.
PDS PRODUCT NAMING CONVENTION
The PRODUCT_ID naming convention for LROC NAC ROIs is:
NAC_ROI_xxxxxxxxSSv_AyyyBzzzz[_##M].IMG where
Example: NAC_ROI_APOLLO15LOC_E252N0018.IMG is a NAC ROI of the Apollo 15 landing site with low-Sun. C indicates it's the third low-Sun mosaic of the Apollo 15 landing site produced. This mosaic is centered at latitude=25.2N, longitude=1.8E and is in equirectangular projection.
RDR Name | NAC_ROI_DEGERRIMLO1_P885S2933 | |||
Site Name | de Gerlache Rim | |||
Center Lat | -88.5 | |||
Center Lon | 293.3 | |||
Pixel Scale | 1.00 m/px | |||
Image Start Time (UTC) | 2009-07-04 20:36:52.607+00 | |||
Image Stop Time (UTC) | 2013-01-29 23:14:58.518+00 | |||
# Images | 144 | |||
# Segments | 656 | |||
Incidence | Low Sun | |||
Minimum Latitude | -89.02 | |||
Maximum Latitude | -87.79 | |||
Minimum Longitude | -83.18 | |||
Maximum Longitude | -41.31 |
Image ID | Center Lat | Center Lon | Incidence | Pixel Scale |
M168932116L | -88.11 | 293.46 | 88° | 1.33 m/px |
M168938902L | -88.12 | 291.96 | 88° | 1.32 m/px |
M168945689L | -88.13 | 290.54 | 88° | 1.32 m/px |
M168952475L | -88.14 | 289.06 | 88° | 1.31 m/px |
M168952475R | -88.08 | 290.72 | 88° | 1.31 m/px |
M168959261L | -88.14 | 287.64 | 88° | 1.30 m/px |
M168959261R | -88.09 | 289.29 | 88° | 1.30 m/px |
M168966046L | -88.15 | 286.18 | 88° | 1.30 m/px |
M168966046R | -88.10 | 287.82 | 88° | 1.29 m/px |
M168972832L | -88.16 | 284.83 | 88° | 1.29 m/px |
M168972832R | -88.11 | 286.47 | 88° | 1.29 m/px |
M168979617L | -88.16 | 283.30 | 88° | 1.29 m/px |
M168979617R | -88.11 | 284.95 | 88° | 1.29 m/px |
M168986403L | -88.17 | 281.86 | 88° | 1.29 m/px |
M168986403R | -88.12 | 283.51 | 88° | 1.28 m/px |
M168993188L | -88.17 | 280.37 | 88° | 1.28 m/px |
M168993188R | -88.12 | 282.04 | 88° | 1.28 m/px |
M168999973L | -88.18 | 279.01 | 88° | 1.28 m/px |
M168999973R | -88.13 | 280.69 | 88° | 1.28 m/px |
M169006758L | -88.18 | 277.57 | 88° | 1.28 m/px |
M169006758R | -88.13 | 279.26 | 88° | 1.28 m/px |
M169013543L | -88.18 | 276.32 | 88° | 1.29 m/px |
M169013543R | -88.13 | 278.03 | 88° | 1.28 m/px |
M169020329L | -88.19 | 275.21 | 88° | 1.29 m/px |
M169020329R | -88.14 | 276.94 | 88° | 1.29 m/px |
M169027114L | -88.19 | 273.98 | 88° | 1.29 m/px |
M169027114R | -88.14 | 275.73 | 88° | 1.29 m/px |
M171436462L | -88.89 | 312.18 | 88° | 1.29 m/px |
M171436462R | -88.82 | 312.33 | 88° | 1.28 m/px |
M171443250L | -88.92 | 310.26 | 88° | 1.29 m/px |
M171443250R | -88.85 | 310.48 | 88° | 1.29 m/px |
M171450038L | -88.96 | 309.19 | 88° | 1.29 m/px |
M171450038R | -88.88 | 309.41 | 88° | 1.28 m/px |
M171456826L | -88.99 | 307.91 | 88° | 1.28 m/px |
M171456826R | -88.92 | 308.15 | 88° | 1.28 m/px |
M171463614L | -89.03 | 306.28 | 88° | 1.28 m/px |
M171463614R | -88.96 | 306.57 | 88° | 1.28 m/px |
M171470402L | -89.06 | 303.54 | 88° | 1.28 m/px |
M171470402R | -88.99 | 303.96 | 88° | 1.28 m/px |
M171477190L | -89.10 | 304.67 | 88° | 1.27 m/px |
M171477190R | -89.03 | 304.94 | 88° | 1.27 m/px |
M171483978L | -89.13 | 302.81 | 88° | 1.27 m/px |
M171483978R | -89.06 | 303.15 | 88° | 1.27 m/px |
M171490766L | -89.17 | 301.84 | 88° | 1.27 m/px |
M171490766R | -89.10 | 302.18 | 88° | 1.27 m/px |
M171497555R | -89.14 | 301.86 | 88° | 1.27 m/px |
M171504342R | -89.17 | 299.86 | 88° | 1.27 m/px |
M171517918L | -89.30 | 297.96 | 88° | 1.27 m/px |
M171524705R | -89.26 | 296.24 | 88° | 1.27 m/px |
M171429673L | -88.87 | 313.99 | 88° | 1.28 m/px |
M171429673R | -88.79 | 314.10 | 88° | 1.28 m/px |
M101379079L | -87.40 | 296.55 | 91° | 0.90 m/px |
M101379079R | -87.40 | 295.07 | 91° | 0.90 m/px |
M114126843R | -89.13 | 286.51 | 89° | 1.52 m/px |
M114147194L | -89.21 | 287.40 | 89° | 1.52 m/px |
M114147194R | -89.17 | 283.87 | 89° | 1.52 m/px |
M116658038L | -88.84 | 310.89 | 89° | 1.58 m/px |
M116658038R | -88.85 | 306.97 | 90° | 1.58 m/px |
M116678396L | -88.77 | 312.70 | 89° | 1.59 m/px |
M116678396R | -88.79 | 308.97 | 89° | 1.59 m/px |
M116698756L | -88.78 | 314.23 | 89° | 1.59 m/px |
M116698756R | -88.79 | 310.51 | 89° | 1.59 m/px |
M116719115L | -88.73 | 314.77 | 89° | 1.59 m/px |
M116719115R | -88.76 | 311.22 | 89° | 1.59 m/px |
M119243525L | -89.25 | 17.87 | 90° | 1.56 m/px |
M119243525R | -89.32 | 19.63 | 90° | 1.56 m/px |
M119263884L | -89.28 | 6.42 | 90° | 1.57 m/px |
M119263884R | -89.36 | 7.34 | 90° | 1.56 m/px |
M131974396L | -89.42 | 293.63 | 90° | 1.19 m/px |
M131974396R | -89.39 | 285.33 | 90° | 1.19 m/px |
M131987966L | -89.30 | 287.84 | 90° | 1.18 m/px |
M131987966R | -89.27 | 281.17 | 91° | 1.18 m/px |
M162587237L | -88.00 | 303.70 | 90° | 1.95 m/px |
M162587237R | -87.98 | 301.03 | 90° | 1.95 m/px |
M162594021L | -88.01 | 301.87 | 90° | 1.94 m/px |
M162594021R | -87.98 | 299.23 | 90° | 1.94 m/px |
M162600804L | -88.00 | 299.95 | 90° | 1.94 m/px |
M162600804R | -87.98 | 297.35 | 90° | 1.94 m/px |
M162607588L | -88.00 | 297.80 | 90° | 1.93 m/px |
M162607588R | -87.98 | 295.24 | 90° | 1.93 m/px |
M162614372L | -87.99 | 295.65 | 90° | 1.93 m/px |
M162614372R | -87.97 | 293.15 | 90° | 1.93 m/px |
M162621156L | -87.99 | 293.39 | 90° | 1.92 m/px |
M162621156R | -87.96 | 290.94 | 90° | 1.92 m/px |
M1111562385L | -88.11 | 279.81 | 90° | 1.17 m/px |
M1111562385R | -88.16 | 279.09 | 90° | 1.17 m/px |
M1111569488L | -88.28 | 288.35 | 90° | 1.17 m/px |
M1111569488R | -88.33 | 287.84 | 90° | 1.17 m/px |
M1111576589L | -88.17 | 276.98 | 90° | 1.17 m/px |
M1111576589R | -88.22 | 276.23 | 90° | 1.17 m/px |
M1111583694L | -88.35 | 287.39 | 90° | 1.17 m/px |
M1111583694R | -88.40 | 286.89 | 90° | 1.17 m/px |
M1111597906L | -88.46 | 298.42 | 90° | 1.17 m/px |
M1111597906R | -88.52 | 298.34 | 90° | 1.17 m/px |
M1111619219L | -88.55 | 299.91 | 90° | 1.17 m/px |
M1111619219R | -88.60 | 300.00 | 90° | 1.17 m/px |
M1114126343L | -88.45 | 304.11 | 90° | 1.24 m/px |
M1114126343R | -88.50 | 305.33 | 90° | 1.24 m/px |
M1114133446L | -88.48 | 299.36 | 90° | 1.25 m/px |
M1114133446R | -88.54 | 300.47 | 90° | 1.24 m/px |
M1114140548L | -88.40 | 302.85 | 90° | 1.25 m/px |
M1114140548R | -88.46 | 304.08 | 90° | 1.25 m/px |
M112049125L | -86.78 | 298.66 | 86° | 1.60 m/px |
M112049125R | -86.79 | 297.20 | 86° | 1.60 m/px |
M112062772L | -89.45 | 51.94 | 89° | 1.60 m/px |
M112062772R | -89.52 | 57.56 | 89° | 1.60 m/px |
M112069497L | -86.80 | 296.18 | 86° | 1.60 m/px |
M112069497R | -86.81 | 294.72 | 86° | 1.60 m/px |
M112083144R | -89.49 | 55.82 | 89° | 1.60 m/px |
M112089868L | -86.81 | 293.13 | 86° | 1.59 m/px |
M112089868R | -86.82 | 291.69 | 86° | 1.59 m/px |
M114601778L | -86.77 | 273.26 | 87° | 1.57 m/px |
M114615388L | -88.48 | 285.29 | 88° | 1.58 m/px |
M114622149L | -87.13 | 271.56 | 87° | 1.58 m/px |
M124883138R | -86.69 | 311.61 | 88° | 1.66 m/px |
M155476448L | -89.35 | 287.60 | 91° | 1.43 m/px |
M155490021L | -89.32 | 284.01 | 91° | 1.43 m/px |
M155490021R | -89.37 | 291.36 | 91° | 1.42 m/px |
M155503593L | -89.29 | 280.69 | 91° | 1.42 m/px |
M155503593R | -89.35 | 287.57 | 91° | 1.42 m/px |
M178398093L | -88.23 | 304.83 | 88° | 1.17 m/px |
M178398093R | -88.27 | 304.05 | 89° | 1.17 m/px |
M178405216L | -87.35 | 277.92 | 88° | 1.17 m/px |
M178405216R | -87.38 | 277.02 | 88° | 1.17 m/px |
M178412366L | -87.50 | 279.12 | 88° | 1.17 m/px |
M178412366R | -87.54 | 278.21 | 88° | 1.17 m/px |
M178419541L | -88.29 | 302.86 | 89° | 1.16 m/px |
M178419541R | -88.33 | 302.12 | 89° | 1.16 m/px |
M178426663L | -87.55 | 277.05 | 88° | 1.16 m/px |
M178426663R | -87.58 | 276.13 | 88° | 1.16 m/px |
M178433813L | -87.62 | 276.89 | 88° | 1.16 m/px |
M178433813R | -87.65 | 275.97 | 88° | 1.16 m/px |
M178440988L | -88.43 | 309.50 | 89° | 1.16 m/px |
M178440988R | -88.48 | 308.99 | 89° | 1.16 m/px |
M178448112L | -87.75 | 276.89 | 88° | 1.16 m/px |
M178448112R | -87.78 | 275.94 | 89° | 1.16 m/px |
M186096603L | -88.02 | 298.60 | 90° | 1.32 m/px |
M186096603R | -88.06 | 300.62 | 90° | 1.32 m/px |
M186110898L | -87.99 | 296.10 | 90° | 1.32 m/px |
M186110898R | -88.02 | 298.08 | 90° | 1.32 m/px |
M1111555284L | -88.20 | 290.00 | 90° | 1.17 m/px |
M1111555284R | -88.25 | 289.50 | 90° | 1.17 m/px |
M1114119241L | -88.52 | 300.83 | 90° | 1.24 m/px |
M1114119241R | -88.58 | 301.93 | 90° | 1.24 m/px |
Link to browse PNG
http://lroc.sese.asu.edu/data/LRO-L-LROC-5-RDR-V1.0/LROLRC_2001/EXTRAS/BROWSE/NAC_ROI/DEGERRIMLO1/NAC_ROI_DEGERRIMLO1_P885S2933.BROWSE.PNG