The Brightest Open Clusters in the Sky

Name Constellation Magnitude
Name Constellation Magnitude
1 Collinder 173 Puppis 0.6
2 Orion's Belt Orion 0.6
3 C41 Taurus 1.0
4 Antares Cluster Scorpius 1.0
5 Collinder 39 Perseus 1.2
6 Alpha Persei Cluster Perseus 1.2
7 M45 Taurus 1.3
8 Coma Star Cluster Coma Berenices 1.8
9 Collinder 256 Coma Berenices 1.8
10 IC 2602 Carina 1.9
11 Collinder 135 Puppis 2.1
12 NGC 1980 Orion 2.5
13 IC 2391 Vela 2.5
14 Omicron Canis Minorum Cluster Canis Major 2.6
15 NGC 6231 Scorpius 2.6
16 NGC 2451 Puppis 2.8
17 Lambda Orionis Cluster Orion 2.8
18 Melotte 186 Ophiuchus 3.0
19 Collinder 359 Ophiuchus 3.0
20 NGC 3532 Carina 3.0
21 Collinder 65 Orion 3.0
22 M44 Cancer 3.1
23 M7 Scorpius 3.3
24 Tuft in the Tail of the Dog Canis Major 3.5
25 Collinder 132 Canis Major 3.6
26 Brocchi's Cluster Vulpecula 3.6
27 NGC 2516 Carina 3.8
28 IC 2581 Carina 4.0
29 IC 2395 Vela 4.0
30 M42 Orion 4.0
31 Collinder 249 Centaurus 4.0
32 NGC 2264 Monoceros 4.1
33 NGC 2362 Canis Major 4.1
34 IC 4665 Ophiuchus 4.2
35 NGC 1981 Orion 4.2
36 Collinder 464 Camelopardalis 4.2
37 M6 Scorpius 4.2
38 NGC 4755 Crux 4.2
39 NGC 3114 Carina 4.2
40 NGC 2232 Monoceros 4.2
41 Collinder 62 Auriga 4.2
42 NGC 869 Perseus 4.3
43 M47 Puppis 4.4
44 Collinder 228 Carina 4.4
45 M41 Canis Major 4.5
46 M25 Sagittarius 4.6
47 Collinder 106 Monoceros 4.6
48 M39 Cygnus 4.6
49 IC 4756 Serpens Cauda 4.6
50 NGC 6633 Ophiuchus 4.6
51 NGC 6530 Sagittarius 4.6
52 NGC 3293 Carina 4.7
53 NGC 2547 Vela 4.7
54 NGC 2244 Monoceros 4.8
55 NGC 2239 Monoceros 4.8
56 Collinder 234 Carina 5.0
57 Collinder 233 Carina 5.0
58 Collinder 203 Vela 5.0
59 M35 Gemini 5.1
60 NGC 6025 Triangulum Australe 5.1
61 Collinder 107 Monoceros 5.1
62 M34 Perseus 5.2
63 NGC 6193 Ara 5.2
64 NGC 6871 Cygnus 5.2
65 NGC 3766 Centaurus 5.3
66 Collinder 411 Octans 5.3
67 Collinder 97 Monoceros 5.4
68 NGC 6281 Scorpius 5.4
69 NGC 6087 Norma 5.4
70 NGC 2281 Auriga 5.4
71 NGC 5662 Centaurus 5.5
72 M23 Sagittarius 5.5
73 Collinder 230 Carina 5.5
74 NGC 6374 Scorpius 5.5
75 NGC 7686 Andromeda 5.6
76 NGC 6067 Norma 5.6
77 NGC 5460 Centaurus 5.6
78 M37 Auriga 5.6
79 NGC 752 Andromeda 5.7
80 Collinder 89 Gemini 5.7
81 NGC 6416 Scorpius 5.7
82 NGC 6885 Vulpecula 5.7
83 NGC 6124 Scorpius 5.8
84 M48 Hydra 5.8
85 M11 Scutum 5.8
86 NGC 2477 Puppis 5.8
87 NGC 2169 Orion 5.9
88 M50 Monoceros 5.9
89 Collinder 29 Perseus 5.9
90 NGC 6250 Ara 5.9
91 M21 Sagittarius 5.9
92 NGC 5281 Centaurus 5.9
93 M17 Sagittarius 6.0
94 NGC 2301 Monoceros 6.0
95 M36 Auriga 6.0
96 M16 Serpens Cauda 6.0
97 NGC 6605 Serpens Cauda 6.0
98 NGC 3228 Vela 6.0
99 NGC 5316 Centaurus 6.0
100 IC 4703 Serpens Cauda 6.0
101 NGC 6322 Scorpius 6.0
102 Collinder 350 Ophiuchus 6.1
103 NGC 7160 Cepheus 6.1
104 M46 Puppis 6.1
105 NGC 2669 Vela 6.1
106 NGC 1746 Taurus 6.1
107 Collinder 202 Vela 6.1
108 NGC 884 Perseus 6.1
109 NGC 1545 Perseus 6.2
110 M93 Puppis 6.2
111 Collinder 394 Sagittarius 6.3
112 NGC 6940 Vulpecula 6.3
113 NGC 5617 Centaurus 6.3
114 NGC 2546 Puppis 6.3
115 M20 Sagittarius 6.3
116 NGC 1662 Orion 6.4
117 NGC 1647 Taurus 6.4
118 Collinder 91 Monoceros 6.4
119 Collinder 367 Sagittarius 6.4
120 NGC 6242 Scorpius 6.4
121 NGC 1528 Perseus 6.4
122 NGC 7243 Lacerta 6.4
123 NGC 457 Cassiopeia 6.4
124 M38 Auriga 6.4
125 NGC 2527 Puppis 6.5
126 NGC 6604 Serpens Cauda 6.5
127 IC 1805 Cassiopeia 6.5
128 NGC 129 Cassiopeia 6.5
129 NGC 654 Cassiopeia 6.5
130 NGC 2539 Puppis 6.5
131 NGC 2354 Canis Major 6.5
132 NGC 5822 Lupus 6.5
133 NGC 1444 Perseus 6.6
134 Collinder 316 Scorpius 6.6
135 M29 Cygnus 6.6
136 NGC 6169 Norma 6.6
137 NGC 3572 Carina 6.6
138 NGC 3324 Carina 6.7
139 NGC 1342 Perseus 6.7
140 NGC 2343 Monoceros 6.7
141 NGC 6709 Aquila 6.7
142 NGC 2423 Puppis 6.7
143 NGC 1027 Cassiopeia 6.7
144 Collinder 336 Scorpius 6.7
145 NGC 2129 Gemini 6.7
146 NGC 6167 Norma 6.7
147 NGC 7789 Cassiopeia 6.7
148 Collinder 197 Vela 6.7
149 IC 1848 Cassiopeia 6.8
150 Collinder 232 Carina 6.8
151 NGC 6811 Cygnus 6.8
152 NGC 2175 Orion 6.8
153 Collinder 241 Carina 6.9
154 IC 4651 Ara 6.9
155 NGC 2439 Puppis 6.9
156 Collinder 299 Norma 6.9
157 NGC 4609 Crux 6.9
158 M67 Cancer 6.9
159 NGC 1502 Camelopardalis 6.9
160 M18 Sagittarius 6.9
161 M52 Cassiopeia 6.9
162 NGC 1807 Taurus 7.0
163 Collinder 36 Cassiopeia 7.0
164 NGC 6595 Sagittarius 7.0
165 Collinder 111 Monoceros 7.0
166 NGC 1582 Perseus 7.0
167 NGC 2571 Puppis 7.0
168 NGC 225 Cassiopeia 7.0
169 Collinder 231 Carina 7.0
170 NGC 7063 Cygnus 7.0
171 Collinder 401 Aquila 7.0
172 NGC 1857 Auriga 7.0
173 NGC 2353 Monoceros 7.1
174 NGC 663 Cassiopeia 7.1
175 NGC 6823 Vulpecula 7.1
176 Collinder 155 Puppis 7.1
177 Collinder 258 Crux 7.1
178 NGC 2467 Puppis 7.1
179 NGC 6208 Ara 7.2
180 NGC 2910 Vela 7.2
181 NGC 2335 Monoceros 7.2
182 NGC 6425 Scorpius 7.2
183 NGC 7380 Cepheus 7.2
184 NGC 7082 Cygnus 7.2
185 NGC 6178 Scorpius 7.2
186 NGC 4463 Musca 7.2
187 NGC 2360 Canis Major 7.2
188 NGC 6134 Norma 7.2
189 NGC 2251 Monoceros 7.3
190 Collinder 96 Monoceros 7.3
191 IC 348 Perseus 7.3
192 Collinder 21 Triangulum 7.3
193 NGC 6819 Cygnus 7.3
194 NGC 2482 Puppis 7.3
195 IC 4996 Cygnus 7.3
196 NGC 2645 Vela 7.3
197 NGC 3330 Vela 7.4
198 NGC 4103 Crux 7.4
199 IC 2488 Vela 7.4
200 NGC 2384 Canis Major 7.4

Fairfield

Latitude:
Longitude:
Timezone:

41.14°N
73.26°W
EDT

Color scheme