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The Lunar 100
KEY
Lunar 100 objects that have not yet been photographed.
Lunar 100 objects that have been photographed.
Other objects that have been photographed.

The Lunar 100 list is from "Introducing the Lunar 100" by Charles A. Wood (Sky & Telescope, Sky Publishing Corp., April 2004, Vol. 107, No. 4, pp. 113-120).

I have transcribed this list for my personal use and any errors are mine. All rights remain with Sky Publishing Corp.

Unless otherwise noted, all photographs will be oriented such that lunar north is up and west to the left, i.e. the way the would appear if one were looking at the lunar surface.

Other useful on-line resources
Chuck Wood's Moon is the web site of the author of the Lunar 100
The Full Moon Atlas is made available by the The Lunar Republic.
The NexStar Lunar 50 List is made available by the NexStar 50 Club.


 #   Name   Significance   Photograph   Latitude   Longitude   Diameter (km)
1 Moon Large satellite   -- -- 3,476
2 Earthshine Twice reflected sunlight   -- -- --
3 Mare/highland dichotomy Two materials with distinct compositions   -- -- --
4 Apennines Imbrium basin rim lunar4 18.9°N 3.7°W 400
5 Copernicus Archetypal large complex crater lunar5 9.7°N 20.1°W 93
6 Tycho Large rayed crater with impact melts lunar6 43.4°S 11.1°W 102
7 Altai Scarp Nectaris basin rim lunar7 24.3°S 22.6°E 425
8 Theophilus, Cyrillus, Catharina Crater sequence illustrating stages of degradation lunar8 13.2°S 24.0°E 110
9 Clavius Lacks basin features in spite of its size lunar9 58.8°S 14.1°W 245
10 Mare Crisium Mare contained in large circular basin   18.0°N 59.0°E 540
11 Aristarchus Very bright crater with dark bands on its walls lunar11 23.7°N 47.4°W 40
12 Proclus Oblique-impact rays lunar12 16.1°N 46.8°E 28
13 Gassendi Floor-fractured crater lunar13 17.6°S 40.1°W 101
14 Sinus Iridum Very large crater with missing rim lunar14 45.0°N 32.0°W 260
15 Straight Wall Best example of a lunar fault lunar15 21.8°S 7.8°W 130
16 Petavius Crater with domed and fractured floor   25.1°S 60.4°E 188
17 Schroter's Valley Giant sinuous rille lunar17 26.2°N 50.8°W 168
18 Mare Serenitatis dark edges Distinct mare areas with different compositions lunar18 17.8°N 23.0°E N/A
19 Alpine Valley Lunar graben lunar19 49.0°N 3.0°E 165
20 Posidonius Floor-fractured crater   31.8°N 29.9°E 95
21 Fracastorius Crater with subsided and fractured floor   21.5°S 33.2°E 112
22 Aristarchus Plateau Mysterious uplifted region mantled with pyroclastics lunar22 26.0°N 51.0°W 150
23 Pico Isolated Imbrium basin-ring fragment   45.7°N 8.9°W 25
24 Hyginus Rille Rille containing rimless collapse pits   7.4°N 7.8°E 220
25 Messier and Messier A Oblique ricochet-impact pair lunar25 1.9°S 47.6°E 11
26 Mare Frigoris Arcuate mare of uncertain origin   56.0°N 1.4°E 1,600
27 Archimedes Large crater lacking central peak   29.7°N 4.0°W 83
28 Hipparchus Subject of first drawing of a single crater lunar28 5.5°S 4.8°E 150
29 Aridaeus Rille Long, linear graben lunar29 6.4°N 14.0°E 250
30 Schiller Possible oblique impact lunar30 51.9°S 39.0°W 180
31 Taruntius Young floor-fractured crater   5.6°N 46.5°E 56
32 Arago Alpha and Beta Volcanic domes   6.2°N 21.4°E 26
33 Serpentine Ridge Basin inner-ring segment lunar33 27.3°N 25.3°E 155
34 Lacus Mortis Strange crater with rille and ridge   45.0°N 27.2°E 152
35 Triesnecker Rilles Rille family   4.3°N 4.6°E 215
36 Grimaldi basin A small two-ring basin   5.5°S 68.3°W 410
37 Bailly Barely discernible basin   66.5°S 69.1°W 303
38 Sabine and Ritter Possible twin impacts lunar38 1.7°N 19.7°E 30
39 Schickard Crater floor with Orientale basin ejecta stripe   44.3°S 55.3°W 206
40 Janssen Rille Rare example of a highland rille lunar40 45.4°S 39.3°E 199
41 Bessel ray Ray of uncertain origin near Bessel lunar41 21.8°N 17.9°E N/A
42 Marius Hills Complex of volcanic domes and hills lunar42 12.5°N 54.0°W 125
43 Wargentin A crater filled to the rim with lava or ejecta   49.6°S 60.2°W 84
44 Mersenius Domed floor cut by secondary craters lunar44 21.5°S 49.2°W 84
45 Maurolycus Region of saturation cratering lunar45 42.0°S 14.0°E 114
46 Regiomontanus central peak Possible volcanic peak lunar46 28.0°S 0.6°W 108
47 Alphonsus dark spots Dark-halo eruptions on crater floor lunar47 13.7°S 3.2°W 119
48 Cauchy region Fault, rilles, and domes   10.5°N 38.0°E 130
49 Gruithuisen Delta and Gamma Volcanic domes formed with viscous lavas lunar49 36.3°N 40.0°W 20
50 Cayley Plains Light, smooth plains of uncertain origin lunar50 4.0°N 15.1°E 14
51 Davy crater chain Result of comet-fragment impacts   11.1°S 6.6°W 34
52 Cruger Possible volcanic caldera   16.7°S 66.8°W 45
53 Lamont Possible buried basin   4.4°N 23.7°E 106
54 Hippalus Rilles Rilles concentric to Humorum basin lunar54 24.5°S 29.0°W 240
55 Baco Unusually smooth crater floor and surrounding plains   51.0°S 19.1°E 69
56 Mare Australe A partially flooded ancient basin lunar56 49.8°S 84.5°E 132
57 Reiner Gamma Conspicuous swirl and magnetic anomaly   7.7°N 59.2°W 70
58 Rheita Valley Basin secondary-crater chain lunar58 42.5°S 51.5°E 445
59 Schiller-Zucchius basin Badly degraded overlooked basin lunar59 56.0°S 45.0°W 335
60 Kies Pi Volcanic dome   26.9°S 24.2°W 45
61 Mosting A Simple crater close to center of lunar near side   3.2°S 5.2°W 13
62 Rümker Hills Large volcanic dome lunar62 40.8°N 58.1°W 70
63 Imbrium sculpture Basin ejecta near and overlying Boscovich and Julius Caesar lunar63 11.0°N 12.0°E --
64 Descartes Apollo 16 landing site; putative region of highland volcanism   11.7°S 15.7°E --
65 Hortensius domes Dome field north of Hortensius lunar65 7.6°N 27.9°W 10
66 Hadley Rille Lava channel near Apollo 15 landing site   25.0°N 3.0°E --
67 Fra Mauro formation Apollo 14 landing site on Imbrium ejecta   3.6°S 17.5°W --
68 Flamsteed P Proposed young volcanic crater; Surveyor 1 landing site lunar68 3.0°S 44.0°W --
69 Copernicus secondary craters Rays and craterlets near Pytheas   19.6°N 19.1°W 4
70 Humboldtianum basin Multi-ring impact basin   57.0°N 80.0°E 650
71 Sulpicius Gallus dark mantle Ash eruptions northwest of crater   19.6°N 11.6°E 12
72 Atlas dark-halo craters Explosive volcanic pits on the floor of Atlas   46.7°N 44.4°E 87
73 Smythii basin Difficult-to-observe basin scarp and mare lunar73 2.0°S 87.0°E 740
74 Copernicus H Dark-halo impact crater lunar74 6.9°N 18.3°W 5
75 Ptolemaeus B Saucerlike depression on the floor of Ptolemaeus lunar75 8.0°S 0.8°W 164
76 W. Bond Large crater degraded by Imbrium ejecta   65.3°N 3.7°E 158
77 Sirsalis Rille Procellarum basin radial rilles   15.7°S 61.7°W 425
78 Lambert R A buried "ghost" crater   23.8°N 20.6°W 54
79 Sinus Aestuum Eastern dark-mantle volcanic deposit   12.0°N 3.5°W 90
80 Orientale basin Youngest large impact basin   19.0°S 95.0°W 930
81 Hesiodus A Concentric crater   30.1°S 17.0°W 15
82 Linne' Small crater once thought to have disappeared   27.7°N 11.8°E 2.4
83 Plato craterlets Crater pits at limits of detection   51.6°N 9.4°W 109
84 Pitatus Crater with concentric rilles   29.8°S 13.5°W 97
85 Langrenus rays Aged ray system   8.9°S 60.9°E 132
86 Prinz Rilles Rille system near the crater Prinz   27.0°N 43.0°W 46
87 Humboldt Crater with central peaks and dark spots   27.0°S 80.9°E 189
88 Peary Difficult-to-observe polar crater lunar88 88.6°N 95.3°E 104
89 Valentine Dome Volcanic dome   30.5°N 10.1°E 30
90 Armstrong, Aldrin, and Collins Small craters near the Apollo 11 landing site lunar90 1.3°N 23.7°E 3
91 De Gasparis Rilles Area with many rilles lunar91 25.9°S 50.7°W 30
92 Gylden Valley Part of the Imbrium radial sculpture lunar92 5.1°S 0.7°E 47
93 Dionysius rays Unusual and rare dark rays   2.8°N 17.3°E 18
94 Drygalski Large south-pole region crater lunar94 79.3°S 84.9°W 149
95 Procellarum basin The Moon's biggest basin?   23.0°N 15.0°W 3,200
96 Leibnitz Mountains Rim of South Pole-Aitken basin lunar96 85.0°S 30.0°E --
97 Inghirami Valley Orientale basin ejecta   44.0°S 73.0°W 140
98 Imbrium lava flows Mare lava-flow boundaries lunar98 32.8°N 22.0°W --
99 Ina caldera D-shaped young volcanic caldera   18.6°N 5.3°E 3
100 Mare Marginis swirls Possible magnetic-field deposits   18.5°N 88.0°E --

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Last modified: 2009-04-08