LIST OF NGC OBJECTS (1-999)

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This is a 'list of objects 1-999 in the New General Catalogue (NGC)'. The astronomical catalogue is mainly comprised of star clusters, nebulae, and galaxies. Other objects in the catalogue can be found in the other subpages of list of NGC objects.
The constellation information in these tables is taken from ''The Complete New General Catalogue and Index Catalogue of Nebulae and Star Clusters by J. L. E. Dreyer'',[1] which was accessed using the VizieR Service (website: http://vizier.u-strasbg.fr/viz-bin/VizieR). Galaxy morphological types and objects that are members of the Small Magellanic Cloud are identified using the NASA/IPAC Extragalactic Database (website: http://nedwww.ipac.caltech.edu/). The other data in these tables are from the SIMBAD Astronomical Database (website: http://simbad.u-strasbg.fr/simbad/) unless otherwise stated.

Contents
1-99
100-199
200-299
300-399
400-499
500-599
600-699
700-799
800-899
900-999
References

1-99


NGC number Other names Object type Constellation Right ascension (J2000) Declination (J2000) Apparent magnitude
1 Spiral galaxy Pegasus 13.4
2 Spiral galaxy Pegasus 14.8
3 Lenticular galaxy Pisces 14.6
4 Galaxy Pisces
5 Elliptical galaxy Andromeda 14.6
6 (Duplicate of NGC 20)[2] Lenticular galaxy Andromeda 14.5
7 Spiral galaxy Sculptor
8 Double star Pegasus
9 Spiral galaxy Pegasus 14.5
10 Spiral galaxy Sculptor 13
11 Spiral galaxy Andromeda 14.5
12 Spiral galaxy Pisces 14.5
13 Spiral galaxy Andromeda 14.2
14 Irregular galaxy Pegasus 13.3
15 Spiral galaxy Pegasus 14.9
16 Lenticular galaxy Pegasus 13.0
17 Spiral galaxy Cetus 14.0
18 Double star Pegasus
19 Spiral galaxy Andromeda 14.0
20 Lenticular galaxy Andromeda 14.5
21 Spiral galaxy Andromeda 13.9
22 Spiral galaxy Pegasus 14.9
23 Spiral galaxy Pegasus 12.5
24 Spiral galaxy Sculptor 12.1
25 Lenticular galaxy Phoenix 15.5
26 Spiral galaxy Pegasus 13.9
27 Spiral galaxy Andromeda 14.5
28 Elliptical galaxy Phoenix
29 Spiral galaxy[3] Andromeda 14.5
30 Double star Pegasus
31 Spiral galaxy Phoenix
32 Asterism Pegasus
33 Double star Pisces
34 (Duplicate of NGC 17) Spiral galaxy Cetus 14.0
35 Spiral galaxy Cetus 14
36 Spiral galaxy Pisces 14.5
37 Lenticular galaxy Phoenix
38 Spiral galaxy Pisces 13.5
39 Spiral galaxy Andromeda 14.4
40 Planetary nebula Cepheus 11.7
41 Spiral galaxy Pegasus 14.6
42 Lenticular galaxy Pegasus 15.0
43 Lenticular galaxy Andromeda 13.9
44 Double star Andromeda
45 Irregular galaxy Cetus 11.2
46 Star Pisces
47 Spiral galaxy Cetus 13
48 Spiral galaxy Andromeda 15.0
49 Lenticular galaxy Andromeda 15.3
50 Lenticular galaxy Cetus 12
51 Lenticular galaxy Andromeda 14.6
52 Spiral galaxy Pegasus 14.6
53 Spiral galaxy Tucana
54 Spiral galaxy Cetus 14
55 Irregular galaxy Sculptor 8.2
56 Unknown Pisces
57 Elliptical galaxy Pisces 13.7
58 (Duplicate of NGC 47) Spiral galaxy Cetus 13
59 Lenticular galaxy Cetus 13.1
60 Spiral galaxy Pisces 15.4
61 Interacting galaxies Pisces 15
62 Spiral galaxy Cetus 14
63 Spiral galaxy Pisces 12.6
64 Spiral galaxy Cetus 13.6
65 Lenticular galaxy Cetus
66 Spiral galaxy Cetus
67 Elliptical galaxy Andromeda 15.7
68 Lenticular galaxy Andromeda 14.5
69 Lenticular galaxy Andromeda 15.7
70 Spiral galaxy Andromeda 14.5
71 Lenticular galaxy Andromeda 14.8
72 Spiral galaxy Andromeda 15.0
73 Spiral galaxy Cetus 13
74 Galaxy Andromeda 16
75 Lenticular galaxy Pisces 14.8
76 Spiral galaxy Andromeda 14.0
77 Lenticular galaxy Cetus
78 Interacting galaxies Pisces 14.5
79 Elliptical galaxy Andromeda 14.9
80 Lenticular galaxy Andromeda 13.7
81 Galaxy Andromeda 17.7
82 Star Andromeda
83 Elliptical galaxy Andromeda 14.2
84 Galaxy Andromeda 15.8
85 Lenticular galaxy Andromeda 15.7
86 Spiral galaxy Andromeda 14.9
87 Irregular galaxy Phoenix 14.5
88 Spiral galaxy Phoenix 15.2
89 Spiral galaxy Phoenix 14.6
90 Star Andromeda
91 Galaxy Andromeda 15.0
92 Spiral galaxy Phoenix 14.3
93 Spiral galaxy Andromeda 14.7
94 Lenticular galaxy Andromeda 15.6
95 Spiral galaxy Pisces 13.4
96 Galaxy Andromeda 17
97 Elliptical galaxy Andromeda 13.5
98 Spiral galaxy Phoenix 12.8
99 Spiral galaxy Pisces 14.0

100-199


NGC number Other names Object type Constellation Right ascension (J2000) Declination (J2000) Apparent magnitude
100 Spiral galaxy Pisces 14.6
101 Spiral galaxy Sculptor
102 Galaxy Cetus 14
103 Open cluster Cassiopeia 10.3
104 47 Tucanae Globular cluster Tucana 5.8
105 Spiral galaxy Pisces 14.1
106 Galaxy Pisces 14.5
107 Spiral galaxy Cetus 15.7
108 Lenticular galaxy Andromeda 13.3
109 Spiral galaxy Andromeda 15.0
110 Open cluster Cassiopeia
111 Unknown Cetus
112 Spiral galaxy Andromeda 14.5
113 Lenticular galaxy Cetus 13.5
114 Lenticular galaxy Cetus 15.0
115 Spiral galaxy Sculptor 14
116 Galaxy Cetus 14.5
117 Lenticular galaxy Cetus 15.5
118 Irregular galaxy Cetus 14.9
119 Lenticular galaxy Phoenix
120 Lenticular galaxy Cetus 14.8
121 Globular cluster Tucana 11.2
122 Unknown Cetus
123 Unknown Cetus
124 Spiral galaxy Cetus 13.8
125 Lenticular galaxy Pisces 14.2
126 Lenticular galaxy Pisces 14.5
127 Lenticular galaxy Pisces 13.2
128 Lenticular galaxy Pisces 13.2
129 Open cluster Cassiopeia 7.3
130 Lenticular galaxy Pisces 15
131 Spiral galaxy Sculptor 13.5
132 Spiral galaxy Cetus 13.8
133 Open cluster Cassiopeia 9.4
134 Spiral galaxy Sculptor 11.0
135 IC 26 Galaxy Cetus
136 Open cluster Cassiopeia
137 Lenticular galaxy Pisces 14.2
138 Spiral galaxy Pisces 14.8
139 Spiral galaxy Pisces 15.5
140 Spiral galaxy Andromeda 14.2
141 Galaxy Pisces 15.4
142 Spiral galaxy Cetus
143 Spiral galaxy Cetus
144 Spiral galaxy Cetus
145 Irregular galaxy Cetus 12
146 Open cluster Cassiopeia 9.6
147 Elliptical galaxy Cassiopeia 12.0
148 Lenticular galaxy Sculptor 13.1
149 Lenticular galaxy Andromeda 15.0
150 Spiral galaxy Sculptor 11.8
151 Spiral galaxy Cetus 12.2
152 Open cluster Tucana 13.1
153 (Duplicate of NGC 151) Spiral galaxy Cetus 12.2
154 Galaxy Cetus 14
155 Lenticular galaxy Cetus 13
156 Double star Cetus
157 Spiral galaxy Cetus 10
158 Possible double star Cetus
159 Spiral galaxy Phoenix
160 Lenticular galaxy Andromeda 13.7
161 Lenticular galaxy Cetus 15
162 Star Andromeda 16.0
163 Elliptical galaxy Cetus 13
164 Galaxy Pisces 16
165 Spiral galaxy Cetus 13
166 Galaxy Cetus 15
167 Spiral galaxy Cetus
168 Lenticular galaxy Cetus 14.9
169 Spiral galaxy Andromeda 13.7
170 Lenticular galaxy Cetus 15.5
171 (Duplicate of NGC 175) Spiral galaxy Cetus 12
172 Spiral galaxy Cetus 14.7
173 Spiral galaxy Cetus 14.5
174 Spiral galaxy Sculptor 13.5
175 Spiral galaxy Cetus 12
176 Open cluster Tucana 13.1
177 Spiral galaxy Cetus 14.2
178 IC 39 Irregular galaxy Cetus 13.0
179 Lenticular galaxy Cetus
180 Spiral galaxy Pisces 14.3
181 Spiral galaxy Andromeda 15.4
182 Spiral galaxy Pisces 13.8
183 Elliptical galaxy Andromeda 13.8
184 Spiral galaxy Andromeda 15.5
185 Elliptical galaxy Cassiopeia 11.0
186 Lenticular galaxy Pisces 14.8
187 Spiral galaxy Cetus 13
188 Open cluster Cepheus 8.9
189 Open cluster Cassiopeia 9.1
190 Interacting galaxies Pisces 15.1
191 Spiral galaxy Cetus 12
192 Spiral galaxy Cetus 13.9
193 Lenticular galaxy Pisces 13.2
194 Elliptical galaxy Pisces 13.9
195 Spiral galaxy Cetus 14
196 Lenticular galaxy Cetus 14.2
197 Lenticular galaxy Cetus 14.2
198 Spiral galaxy Pisces 14.1
199 Lenticular galaxy Pisces 15.0

200-299


NGC number Other names Object type Constellation Right ascension (J2000) Declination (J2000) Apparent magnitude
200 Spiral galaxy Pisces 14.0
201 Spiral galaxy Cetus 14.7
202 Lenticular galaxy Pisces 15.5
203 Lenticular galaxy Pisces 14.5
204 Lenticular galaxy Pisces 14.6
205 Messier 110 Elliptical galaxy Andromeda 9.4
206 Association of stars Andromeda
207 Galaxy Cetus 14.8
208 Spiral galaxy Pisces 15.5
209 Lenticular galaxy Cetus 14.0
210 Spiral galaxy Cetus 11
211 (Duplicate of NGC 203) Lenticular galaxy Pisces 14.5
212 Lenticular galaxy Phoenix
213 Spiral galaxy Pisces 14.8
214 Spiral galaxy Andromeda 13.0
215 Lenticular galaxy Phoenix
216 Lenticular galaxy Cetus 13.6
217 Spiral galaxy Cetus 13
218 Spiral galaxy Andromeda 15.5
219 Elliptical galaxy Cetus 15.6
220 (Located in Small Magellanic Cloud) Open cluster Tucana 14.6
221 Messier 32 Elliptical galaxy Andromeda 9.2
222 (Located in Small Magellanic Cloud) Open cluster Tucana 12.8
223 Spiral galaxy Cetus 14.5
224 Messier 31;
Andromeda Galaxy		 Spiral galaxy Andromeda 4.3
225 Open cluster Cassiopeia 7.4
226 Spiral galaxy Andromeda 14.4
227 Lenticular galaxy Cetus 13.4
228 Spiral galaxy Andromeda 14.9
229 Galaxy Andromeda 14.7
230 Spiral galaxy Cetus
231 (Located in Small Magellanic Cloud) Open cluster Tucana 13.1
232 Spiral galaxy Cetus 14.4
233 Elliptical galaxy Andromeda 13.8
234 Spiral galaxy Pisces 13.5
235 Interacting galaxies Cetus 14
236 Spiral galaxy Pisces 14.5
237 Spiral galaxy Cetus 13.6
238 Spiral galaxy Phoenix 13.1
239 Spiral galaxy Cetus 14
240 Spiral galaxy Pisces 14.8
241 (Located in Small Magellanic Cloud) Open cluster Tucana
242 (Located in Small Magellanic Cloud) Open cluster Tucana 12.1
243 Lenticular galaxy Andromeda 14.6
244 Lenticular galaxy Cetus 13
245 Spiral galaxy Cetus 12.9
246 Planetary nebula Cetus 11.4
247 Spiral galaxy Cetus 9.6
248 (Located in Small Magellanic Cloud) Diffuse nebula Tucana
249 (Located in Small Magellanic Cloud) Diffuse nebula Tucana
250 Spiral galaxy Pisces 14.9
251 Spiral galaxy Pisces 14.6
252 Lenticular galaxy Andromeda 13.5
253 Sculptor Galaxy Spiral galaxy Sculptor 8.0
254 Lenticular galaxy Sculptor 12.7
255 Spiral galaxy Cetus 11
256 (Located in Small Magellanic Cloud) Open cluster Tucana 12.8
257 Spiral galaxy Pisces 13.7
258 Galaxy Andromeda 15
259 Spiral galaxy Cetus 12.5
260 Spiral galaxy Andromeda 14.3
261 (Located in Small Magellanic Cloud) Diffuse nebula Tucana
262 Spiral galaxy Andromeda 15.0
263 Spiral galaxy Cetus 14
264 Lenticular galaxy Sculptor 14.9
265 (Located in Small Magellanic Cloud) Open cluster Tucana 12.5
266 Spiral galaxy Pisces 12.6
267 (Located in Small Magellanic Cloud) Diffuse nebula Tucana
268 Spiral galaxy Cetus 12.5
269 (Located in Small Magellanic Cloud) Open cluster Tucana 13.0
270 Lenticular galaxy Cetus 13
271 Spiral galaxy Cetus 13.2
272 Open cluster Andromeda
273 Lenticular galaxy Cetus 13
274 Lenticular galaxy Cetus 13
275 Spiral galaxy Cetus 13
276 Spiral galaxy Cetus 15.7
277 Lenticular galaxy Cetus 13
278 Spiral galaxy Cassiopeia 10.5
279 Lenticular galaxy Cetus 14.0
280 Spiral galaxy Andromeda 14.6
281 Diffuse nebula and star cluster Cassiopeia 7.3
282 Galaxy Pisces 14.7
283 Spiral galaxy Cetus 14
284 Galaxy Cetus 15
285 Galaxy Cetus 14.9
286 Lenticular galaxy Cetus 14
287 Galaxy Pisces 14.8
288 Globular cluster Sculptor 10
289 Spiral galaxy Sculptor 11.6
290 (Located in Small Magellanic Cloud) Open cluster Tucana 12.1
291 Spiral galaxy Cetus 14
292 Small Magellanic Cloud Irregular galaxy Tucana 2.8
293 Spiral galaxy Cetus 14
294 (Located in Small Magellanic Cloud) Open cluster Tucana 12.7
295 Nonexistent object Pisces 13.5
296 (Sometimes mistakenly identified as NGC 295) Spiral galaxy Pisces 15.4
297 Galaxy Cetus 17.3
298 Spiral galaxy Cetus 13.5
299 Open cluster Tucana 12.1

300-399


NGC number Other names Object type Constellation Right ascension (J2000) Declination (J2000) Apparent magnitude
300 Spiral galaxy Sculptor 8.7
301 Galaxy Cetus 15.5
302 Star Cetus
303 Lenticular galaxy Cetus 15.5
304 Spiral galaxy Andromeda 14.0
305 Asterism Pisces 15.4
306 Open cluster Tucana 12.2
307 Lenticular galaxy Cetus 14.1
308 Star Cetus
309 Spiral galaxy Cetus 12
310 Star Cetus
311 Lenticular galaxy Pisces 14.1
312 Elliptical galaxy Phoenix
313 Triple star Pisces
314 Lenticular galaxy Sculptor 14.5
315 Elliptical galaxy Pisces 12.5
316 Star Pisces
317 Interacting galaxies Andromeda 14.5
318 Galaxy Pisces 15.2
319 Spiral galaxy Phoenix 15
320 Spiral galaxy Cetus 15.0
321 Galaxy Cetus 16
322 Lenticular galaxy Phoenix 14.1
323 Elliptical galaxy Phoenix
324 Spiral galaxy Phoenix 13.5
325 Spiral galaxy Cetus 15
326 Elliptical galaxy Pisces 14.9
327 Spiral galaxy Cetus 13
328 Spiral galaxy Phoenix
329 Spiral galaxy Cetus 13
330 (Located in Small Magellanic Cloud) Globular cluster Tucana 9.8
331 Spiral galaxy Cetus 15.2
332 Galaxy Pisces 14.9
333 Interacting galaxies Cetus 13.9
334 Spiral galaxy Sculptor 14
335 Spiral galaxy Cetus 15.8
336 Interacting galaxies] Cetus
337 Spiral galaxy Cetus 11
338 Spiral galaxy Pisces 14.0
339 (Located in Small Magellanic Cloud) Globular cluster Tucana 12.0
340 Spiral galaxy Cetus 14
341 Spiral galaxy Cetus 15.5
342 Galaxy Cetus 14.5
343 Interacting galaxies Cetus
344 Galaxy Cetus
345 Spiral galaxy Cetus 13.5
346 (Located in Small Magellanic Cloud) Open cluster Tucana
347 Galaxy Cetus 15.5
348 Spiral galaxy Phoenix
349 Lenticular galaxy Cetus 13.5
350 Galaxy Cetus 15
351 Spiral galaxy Cetus 14.3
352 Spiral galaxy Cetus 12.5
353 Spiral galaxy Cetus 14.7
354 Spiral galaxy Pisces 14.2
355 Lenticular galaxy Cetus 15
356 Spiral galaxy Cetus 13.5
357 Spiral galaxy Cetus 12
358 Asterism Cassiopeia
359 Lenticular galaxy Cetus 14.8
360 Spiral galaxy Tucana
361 (Located in Small Magellanic Cloud) Open cluster Tucana 12.4
362 Globular cluster Tucana 8.0
363 Galaxy Cetus 15
364 Lenticular galaxy Cetus 14.6
365 Spiral galaxy Sculptor 12.5
366 Open cluster Cassiopeia
367 Galaxy Cetus 15.3
368 Lenticular galaxy Phoenix
369 Spiral galaxy Cetus 14.3
370 Triple star Pisces
371 (Located in Small Magellanic Cloud) Open cluster Tucana
372 Triple star Pisces
373 Elliptical galaxy Pisces
374 Lenticular galaxy Pisces 14.3
375 Elliptical galaxy Pisces 16.5
376 (Located in Small Magellanic Cloud) Open cluster Tucana 11.2
377 Spiral galaxy Cetus
378 Spiral galaxy Sculptor
379 Lenticular galaxy Pisces 14.0
380 Elliptical galaxy Pisces 13.9
381 Open cluster Cassiopeia 9.3
382 Elliptical galaxy Pisces 14.2
383 Lenticular galaxy Pisces 13.6
384 Elliptical galaxy Pisces 14.3
385 Lenticular galaxy Pisces 14.3
386 Elliptical galaxy Pisces 15.4
387 Galaxy Pisces 17.2
388 Elliptical galaxy Pisces 15.5
389 Lenticular galaxy Andromeda 15.0
390 Star Pisces
391 Lenticular galaxy Cetus 14.6
392 Lenticular galaxy Pisces 13.9
393 Lenticular galaxy Andromeda 13.3
394 Lenticular galaxy Pisces 14.8
395 (Located in Small Magellanic Cloud) Open cluster Tucana
396 Galaxy Pisces 16.6
397 Elliptical galaxy Pisces 15.7
398 Lenticular galaxy Pisces 15.4
399 Spiral galaxy Pisces 14.5

400-499


NGC number Other names Object type Constellation Right ascension (J2000) Declination (J2000) Apparent magnitude
400 Star Pisces
401 Star Pisces
402 Star Pisces
403 Spiral galaxy Pisces 13.3
404 Lenticular galaxy Andromeda 11.3
405 Double star Phoenix
406 Spiral galaxy Tucana 12.5
407 Spiral galaxy Pisces 14.3
408 Star Pisces
409 Elliptical galaxy Sculptor 12
410 Elliptical galaxy Pisces 12.6
411 (Located in Small Magellanic Cloud) Open cluster Tucana 11.0
412 Nonexistent object Cetus
413 Spiral galaxy Cetus 14
414 Interacting galaxies Pisces 14.5
415 Spiral galaxy Sculptor 13
416 (Located in Small Magellanic Cloud) Globular cluster Tucana 11.4
417 Lenticular galaxy Cetus 15.2
418 Spiral galaxy Sculptor 12.9
419 Located in Small Magellanic Cloud) Globular cluster Tucana 10.6
420 Lenticular galaxy Pisces 13.4
421 Nonexistent object Pisces
422 Located in Small Magellanic Cloud) Open cluster Tucana 13.5
423 Spiral galaxy Sculptor
424 Spiral galaxy Sculptor 12
425 Spiral galaxy Andromeda 13.5
426 Elliptical galaxy Cetus 14.4
427 Spiral galaxy Sculptor 14.9
428 Irregular galaxy Cetus 11.9
429 Lenticular galaxy Cetus 14.4
430 Elliptical galaxy Cetus 13.6
431 Lenticular galaxy Andromeda 14.0
432 Lenticular galaxy Tucana
433 Open cluster Cassiopeia
434 Spiral galaxy Tucana 13.0
435 Spiral galaxy Cetus 15.0
436 Open cluster Cassiopeia 8.0
437 Spiral galaxy Pisces 14.0
438 Spiral galaxy Sculptor 12
439 Lenticular galaxy Sculptor 13
440 Spiral galaxy Tucana 13.7
441 Spiral galaxy Sculptor
442 Spiral galaxy Cetus 14.5
443 Spiral galaxy Pisces 14.4
444 Spiral galaxy Pisces 14.7
445 Lenticular galaxy Cetus 15.0
446 IC 89 Lenticular galaxy Pisces 13.8
447 Spiral galaxy Pisces 14.0
448 Lenticular galaxy Cetus 13.2
449 Spiral galaxy Pisces 15.5
450 Spiral galaxy Cetus 13.0
451 Spiral galaxy Pisces 15.5
452 Spiral galaxy Pisces 14.0
453 Triple star Pisces
454 Interacting galaxies Phoenix 13.4
455 Spiral galaxy Pisces 13.9
456 Located in Small Magellanic Cloud) Open cluster Tucana 14.2
457 Open cluster Cassiopeia 7.0
458 Located in Small Magellanic Cloud) Open cluster Tucana 11.9
459 Spiral galaxy Pisces 15.7
460 Located in Small Magellanic Cloud) Open cluster Tucana
461 Spiral galaxy Sculptor 13
462 Galaxy Pisces
463 Lenticular galaxy Pisces 15.2
464 Double star Andromeda
465 Located in Small Magellanic Cloud) Open cluster Tucana
466 Lenticular galaxy Tucana
467 Lenticular galaxy Pisces 13.3
468 Galaxy Pisces 15.1
469 Galaxy Pisces 15.0
470 Spiral galaxy Pisces 12.4
471 Lenticular galaxy Pisces 14.0
472 Galaxy Pisces 14.2
473 Spiral galaxy Pisces 13.4
474 Lenticular galaxy Pisces 12.9
475 Galaxy Pisces 17.4
476 Galaxy Pisces 15.2
477 Spiral galaxy Andromeda 14.0
478 Spiral galaxy Cetus 14.8
479 Spiral galaxy Pisces 15.1
480 Galaxy Cetus 16.3
481 Lenticular galaxy Cetus 14
482 Spiral galaxy Phoenix 14.5
483 Spiral galaxy Pisces 14.0
484 Elliptical galaxy Tucana 13.0
485 Spiral galaxy Pisces 14.2
486 Galaxy Pisces
487 Spiral galaxy Cetus 14.0
488 Spiral galaxy Pisces 11.4
489 Lenticular galaxy Pisces 13.4
490 Spiral galaxy Pisces 15.6
491 Spiral galaxy Sculptor 13.2
492 Galaxy Pisces 15.5
493 Spiral galaxy Cetus 13.0
494 Spiral galaxy Pisces 13.8
495 Spiral galaxy Pisces 14.0
496 Spiral galaxy Pisces 14.3
497 Spiral galaxy Cetus 14.1
498 Lenticular galaxy Pisces 16
499 Lenticular galaxy Pisces 13.3

500-599


600-699


700-799


800-899


900-999


References


1. The Complete New General Catalogue and Index Catalogue of Nebulae and Star Clusters by J. L. E. Dreyer, R. W. Sinnott, editor, , , Sky Publishing Corporation and Cambridge University Press, 1988, ISBN 0-933-34651-4
2. NASA/IPAC Extragalactic Database
3. SIMBAD Astronomical Database
4. The Far Ultraviolet Spectroscopic Explorer Survey of O VI Absorption in and near the Galaxy, B. P. Wakker, B. D. Savage, K. R. Sembach, P. Richter, M. Meade, E. B. Jenkins, J. M. Shull, T. B. Ake, W. P. Blair, W. V. Dixon, S. D. Friedman, J. C. Green, R. F. Green, J. W. Kruk, H. W. Moos, E. M. Murphy, W. R. Oegerle, D. J. Sahnow, G. Sonneborn, E. Wilkinson, D. G. York, , , Astrophysical Journal Supplement Series, 2003
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