The Messier Objects in Uranometria 2000.0 by Hartmut Frommert (http://spider.seds.org/) Pages and Data of the Messier Objects in the Uranometria 2000.0 Atlas. The data were taken from: The Deep Sky Field Guide to Uranometria 2000.0, by Murray Cragin, James Lucyk, and Barry Rappaport, 1993-96, Willmann-Bell, Inc. Retyping to the file was done by Hartmut Frommert. Galaxies: ========= M NGC U2000 RA 2000 Dec Mag Dim SB Type PA Notes --- ---- --------------- ------- ------ ---- ---------- ---- ---------------- --- --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 31 224 60 00:42.7 +41:16 3.4 185.0x75.0 13.6 SA(s)b I-II 35 M31, "Andromeda Galaxy." Not a difficult object to the unaided eye under reasonably dark sies. Darker sites will reveal a noticable elongation of the object. 32 221 60 00:42.7 +40:52 8.1 11.0x 7.3 12.7 cE2 170 M32. Satellite of the Andromeda Galaxy. 33 598 91 01:33.9 +30:39 5.7 67.0x41.5 14.2 SA(s)cd II-III 23 M33, "Triangulum" or "Pinwheel Galaxy." This object has the distinction of being the most distant object visible without optical aid; requires dark skies. 49 4472 193,194 12:29.8 +08:00 8.4 8.1x 7.1 12.7 E2 155 M49. Very bright center, smooth nebulosity. 51 5194 76 13:29.9 +47:12 8.4 8.2x 6.9 12.6 SA(s)bc pec I-II 163 M51, "Whirlpool Galaxy" (with NGC 5195). [51] 5195 76 13:30.0 +47:16 9.6 6.4x 4.6 13.1 I0 pec 79 M51, "Whirlpool Galaxy" (with NGC 5194). 58 4579 194 12:37.7 +11:49 9.7 5.5x 4.6 13.0 SAB(rs)b II 95 M58. Small, bright, diffuse nucleus in smooth lens with dark lanes. 59 4621 194 12:42.0 +11:39 9.6 4.6x 3.6 12.5 E5 165 M59. Bright diffuse nucleus, smooth nebulosity. 60 4649 194 12:43.7 +11:33 8.8 7.1x 6.1 12.8 E2 105 M60. Very bright center, smooth nebulosity. 61 4303 238 12:21.9 +04:28 9.7 6.0x 5.9 13.4 SAB(rs)bc I-II M61. Extremely bright nucleus in broad diffuse bar. 63 5055 75,76 13:15.8 +42:02 8.6 13.5x 8.3 13.6 SA(rs)bc II-III 105 M63. Very small, very bright stellar nucleus in bright inner lens 1.7x0.95, many filamentary arms. 64 4826 149 12:56.7 +21:41 8.5 9.2x 4.6 12.6 (R)SA(rs)ab II-III 115 M64, "Blackeye Galaxy." Extremely bright nucleus partly hidden by very small dark lane. 65 3623 191 11:18.9 +13:05 9.3 8.7x 2.2 12.4 SAB(rs)a II 174 M65. Small, diffuse, very bright nucleus in smooth broad diffuse bar with dark lanes, two main smooth arms with strong dark lane in front of lens. 66 3627 191 11:20.2 +12:59 8.9 8.2x 3.9 12.5 SAB(s)b II 173 M66. Small, very bright nucleus in complex bar and lens with many dark lanes, two main arms. 74 628 173 01:36.7 +15:47 9.4 11.0x11.0 14.4 SA(s)c I 25 M74. Very small, bright nucleus, two main arms with dark matter and much branching. 77 1068 220 02:42.7 -00:01 8.9 8.2x 7.3 13.2 (R)SAB(rs)ab 70 M77. Very bright nucleus. 81 3031 23 09:55.6 +69:04 6.9 24.0x13.0 13.0 SA(s)ab I-II 157 M81. "Holmberg IX" at 10' E, 14.1, 2.5x2.0, SB 15.7, Im V 82 3034 23 09:55.8 +69:41 8.4 12.0x 5.6 12.8 I0 65 M82. 83 5236 370,371 13:37.7 -29.52 7.6 15.5x13.0 13.2 SAB(s)c II 44 M83. Extremely bright nucleus in bright complex bar with dark lanes, two main patchy arms with much branching. 84 4374 193 12:25.1 +12:53 9.1 5.1x 4.1 12.3 E1 135 M84. Very bright center, smooth nebulosity. 85 4382 148 12:25.4 +18:11 9.1 7.5x 5.7 13.0 SA(s)0+ pec M85. Extremely bright diffuse nucleus. IC 3292 at 8' W, 14.5, 0.5x0.4, SB 12.6. 86 4406 193 12:26.2 +12:57 8.9 12.0x 9.3 13.9 E3 130 M86. Very bright center, smooth nebulosity, faint envelope in outer parts. Companion superimposed at 1.4' NE, 0.8:x0.6: 87 4486 193,194 12:30.8 +12:24 8.6 7.1x 7.1 12.7 E+0-1 pec M87. 88 4501 193,194 12:32.0 +14:25 9.6 6.1x 2.8 12.6 SA(rs)b I-II 140 M88. Very small bright nucleus, many knotty filamentary arms with dark lanes. 89 4552 193,194 12:35.7 +12:33 9.8 3.4x 3.4 12.3 E M89. 90 4569 194 12:36.8 +13:10 9.5 10.5x 4.4 13.6 SAB(rs)ab I-II 23 M90. Very small, extremely bright nucleus in bright diffuse bar with much dark matter, star superimposed near nucleus. 91 4548 193,194 12:35.4 +14:30 10.2 5.0x 4.1 13.3 SB(rs)b I-II 150 M91. Bright diffuse nucleus in strong bar, 1.7x0.3 with dark lane, bright filamentary arms. CGCG 099-097 at 6.6' SE, 15.7p, 0.8x0.3. 94 4736 75 12:50.9 +41:07 8.2 13.0x11.0 13.5 (R)SA(r)ab II 105 M94. Extremely bright nucleus in bright inner ring, very many smooth arms in lens 6.0x4.7. 95 3351 190 10:44.0 +11:42 9.7 7.8x 4.6 13.5 SB(r)b II 13 M95. Extremely bright nucleus in strong smooth bar 1.4x0.3 with dark lanes. 96 3368 190 10:46.8 +11:49 9.2 6.9x 4.6 12.9 SAB(rs)ab II 5 M96. Small bright nucleus in broad diffuse bar with many dark lanes. Companion attached at 3.8' SSW, 0.4x0.4. 98 4192 193 12:13.8 +14:54 10.1 9.1x 2.1 13.5 SAB(s)ab II 155 M98. Very small, extremely bright nucleus partly hidden by dark lane; smooth bar or lens 5.0x0.85 with many dark lanes. 99 4254 193 12:18.8 +14:25 9.9 4.6x 4.3 13.0 SA(s)c I-II M99. Small, very bright nucleus in complex central lens with many dark lanes, two massive arms with many branches. Similar to M33. 100 4321 193 12:22.9 +15:49 9.3 6.2x 5.3 13.0 SAB(s)bc I 30 M100. Very bright nucleus. 101 5457 49 14:03.2 +54:21 7.9 26.0x26.0 14.8 SAB(rs)cd I M101. NGCs 5447, 5449, 5450, 5451, 5453, 5455, 5458, 5461, 5462 and 5471 are condensations involved in M101. MCG +9-23-25 at 17'W, 13.9, 0.7x0.4, SB 12.4. 102 5866 50 15:06.5 +55:46 9.9 6.6x 3.2 13.1 SA0+ 128 Very bright nucleus with narrow sharp dust lane. 104 4594 284 12:40.0 -11:37 8.0 7.1x 4.4 11.6 SA:a sp 89 M104, "Sombrero Galaxy." Very bright bulge, narrow patchy arms in lens, strong dark lane in front. 105 3379 190 10:47.8 +12:35 9.3 3.9x 3.9 12.1 E1 M105. Very bright nucleus. 106 4258 74,75 12:19.0 +47:18 8.4 20.0x 8.4 13.8 SAB(s)bc II-III 150 M106. UGC 7356 at 13' S, 14.1, 1.0x0.7, SB 13.6, Im? 108 3556 46 11:11.5 +55:40 10.0 8.1x 2.1 13.0 SB(s)cd III-IV 80 M108. 109 3992 47 11:57.6 +53:23 9.8 7.6x 4.3 13.5 SB(rs)bc I 68 M109. Very bright, diffuse nucleus, bright smooth bar with dark lane 1.7x0.5, three main filamentary arms with some branching. 110 205 60 00:40.4 +41:41 8.1 19.5x12.5 13.9 E5pec 170 M110. Satellite of M31. UGC 394 at 26' NW, 14.6, 2.0x0.7, SB 14.8, SABdm, PA 5. Open Clusters: ============== M NGC U2000 RA 2000 Dec Mag Diam St# Br.St Notes --- ---- --------------- ------- ------ ---- ---- --- ----- ----------------------------------------------------------------------------- 6 6405 376,377 17:40.1 -32:13 4.2 33 80 6.17 M6, "Butterfly Cluster." Rich in stars; large brightness range; slight central condensation; detached. 7 6475 377 17:53.9 -34:49 3.3 80 80 5.60 M7. Rich in stars; large brightness range; strong central condensation; detached. [8] 6530 339 18:04.8 -24:20 4.6 14 6.87 Moderately rich in stars; moderate brightness range; slight central concentration; detached; involved in nebulosity. 11 6705 295 18:51.7 -06:16 5.8 13 8.00 M11, "Wild Duck Cluster." Rich in stars; moderate brightness range; strong central concentration; detached. 16 6611 294 18:18.8 -13:47 6.0 21 8.24 M16. Moderately rich in bright and faint stars; detached; involved in the "Eagle Nebula." [17] 6618 294,295,339,340 18:20.8 -16:11 6.0 11 40 9.28 M17. Moderately rich in stars; large brightness range; no central concentration; detached; involved in nebulosity. 18 6613 294,295,339,340 18:19.9 -17:08 6.9 10 20 8.65 M18. Few stars; large brightness range; slight central concentration; detached; involved in nebulosity. [20] 6514 339 18:02.3 -23:02 6.3 28 7.29 M20. Involved in the "Trifid Nebula." 21 6531 339 18:04.6 -22:30 5.9 13 70 7.25 M21. Rich in stars; large brightness range; strong central concentration; detached. 23 6494 338,339 17:56.8 -19:01 5.5 27 159 9.21 M23. Rich in stars; moderate brightness range; slight central concentration; detached. [24] 6603 294,339,340 18:18.4 -18:25 11.1p 5 100 14.0p Rich in stars; moderate brightness range; strong central concentration; detached; involved in nebulosity. 25 I4725 340 18:31.1 -20:23 4.6 32 30 6.70 M25. Moderately rich in bright and faint stars; strong central concentration; detached. 26 6694 295 18:45.2 -09:24 8.0 14 30 10.30 M26. Moderately rich in bright and faint stars; detached. 29 6913 84,85,119,120 20:23.9 +38:32 6.6 6 50 8.59 M29. Moderately rich in bright and faint stars; detached; involved in nebulosity. 34 1039 62 02:42.0 +42:47 5.2 35 60 7.33 M34. Rich in stars; large brightness range; slight central concentration; detached. 35 2168 136,137 06:08.9 +24:20 5.1 28 200 8.18 M35. Rich in stars; large brightness range; no central concentration; detached. 36 1960 97.98 05:36.1 +34:08 6.0 12 60 8.86 M36. Rich in stars; large brightness range; strong central concentration; detached. 37 2099 98 05:52.4 +32:33 5.6 20 150 9.21 M37. Rich in stars; moderate brightness range; strong central concentration; detached. 38 1912 97 05:28.7 +35:50 6.4 21 100 9.53 M38. Rich in stars; moderate brightness range; slight central concentration; detached. 39 7092 86 21:32.2 +48:26 4.6 31 30 6.83 M39. Moderately rich in stars; moderate brightness range; no central concentration; detached. 41 2287 318 06:47.0 -20:44 4.5 38 80 6.91 M41. Rich in stars; large brightness range; strong central concentration; detached. 44 2632 141 08:40.1 +19:59 3.1 95 50 6.30 M44, "Praesepe" or "Beehive Cluster." Moderately rich in bright and faint stars, detached. 45 132 03:47.0 +24:07 1.2 110 100 2.87 M45, "Pleiades." Rich in stars; large brightness range; strong central concentration; detached; involved in nebulosity (see below). 46 2437 274,275 07:41.8 -14:49 6.1 27 100 8.68 M46. Rich in stars; moderate brightness range; slight central concentration; detached. The planetary nebula NGC 2438 lies in front of this cluster. 47 2422 274 07:36.6 -14:30 4.4 29 30 5.68 M47. Moderately rich in bright and faint stars with a strong central concentration; detached. Includes approximate combined magnitude for ADS 6216, centrally located in the cluster. 48 2548 230,231,275,276 08:13.8 -05:48 5.8 54 80 8.23 M48. Rich in stars; large brightness range; strong central concentration; detached. 50 2323 273 07:03.2 -08:20 5.9 16 80 7.85 M50. Rich in stars; large brightness range; slight central concentration; detached. 52 7654 15,34,58 23:24.2 +61:35 6.9 12 100 8.22 M52. Rich in stars; moderate brightness range; slight central concentration; detached. 67 2682 186,187 08:50.4 +11:49 6.9 29 200 9.69 M67. Rich in stars; large brightness range; slight central concentration; detached. [73] 6994 299 20:59.0 -12:32 8.9p 2.8 4 10.0p M73. Few stars; small brightness range; not well detached. Probably not a cluster. Composed of four stars. 93 2447 319,320 07:44.6 -23:52 6.2: 22 80 8.20 M93. Rich in stars; large brightness range; strong central concentration; detached. 103 581 16,36,37 01:33.2 +60:42 7.4 6 25 10.55 M103. Moderately rich stars; moderate brightness range; slight central concentration; detached. Star Cloud: =========== M NGC U2000 RA 2000 Dec Mag Dim Notes --- ---- --------------- ------- ------ ---- ------- ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 24 - 294,339,340 18:16.5 -18:50 4.6 95x35 M24. Not a true galactic cluster, but rather a detached portion of the Milky Way easily visible to the naked eye on a clear night. Sometimes M24 is incorrectly identified with the embedded open cluster NGC 6603. [31] 206 60 00:40.6 +40:44 4.2x1.5 A star cloud in the SW part of M31, the Andromeda Galaxy, it is extended N-S and best defined on the E flank. Globular Clusters: ================== M NGC U2000 RA 2000 Dec Mag Diam Co Notes --- ---- --------------- ------- ------ ---- ---- -- -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 2 7089 255,256 21:33.5 -00:49 6.4 12.9 2 M2. Magnitude of brightest stars = 13.1; horizontal branch level is magnitude 16.1. Visual observers may be able to detect a curving dark lane in the NE sector of this cluster. 3 5272 109,110,151 13:42.2 +28:23 5.9 16.2 6 M3. Magnitude of brightest stars = 12.7; horizontal branch level is magnitude 15.7. 4 6121 336 16:23.6 -26:32 5.8 26.3 9 M4. Magnitude of brightest stars = 10.8; horizontal branch level is magnitude 13.4. A conspicuous string of mag. 10-12 stars runs N-S through the cluster. 5 5904 244 15:18.6 +02:05 5.7 17.4 5 M5. Slightly oval in shape, NE-SW. Magnitude of brightest stars = 12.2; horizontal branch level is magnitude 15.1. 9 6333 337,338 17:19.2 -18:31 7.6 9.3 8 M9. Magnitude of brightest stars = 13.5; horizontal branch level is magnitude 16.2. 10 6254 247 16:57.1 -04:06 6.6 15.1 7 M10. Magnitude of brightest stars = 12.0; horizontal branch level is magnitude 14.7. 12 6218 246,247 16:47.2 -01:57 6.8 14.5 9 M12. Magnitude of brightest stars = 12.0; horizontal branch level is magnitude 14.9. 13 6205 114 16:41.7 +36:28 5.7 16.6 5 M13 or the "Great Hercules Cluster." Magnitude of brightest stars = 11.9; horizontal branch level is magnitude 15.0. The galaxy IC 4617 (~15v, 1.1x0.4, PA=29deg) lies some 15' NNE, nearly halfway toward the galaxy NGC 6207 and slightly west of the line between them. 14 6402 248 17:37.6 -03:15 7.6 11.7 M14. Magnitude of brightest stars = 14.0; horizontal branch level is magnitude 17.2. 15 7078 210 21:30.0 +12:10 6.0 12.3 4 M15. Magnitude of brightest stars = 12.6; horizontal branch level is magnitude 15.9. Contains the planetary nebula Pease 1 (= Kuster 648) 15.5, 1" 19 6273 337 17:02.6 -26:16 6.7 13.5 8 M19. Magnitude of brightest stars = 14.0::; horizontal branch level is magnitude 15.3:. 22 6656 340 18:36.4 -23:54 5.1 24 7 M22. Magnitude of brightest stars = 10.7; horizontal branch level is magnitude 14.2. 28 6626 339,340 18:24.5 -24:52 6.8 11.2 4 M28. Magnitude of brightest stars = 12.0; horizontal branch level is magnitude 15.7. 30 7099 345,346 21:40.4 -23:11 7.3 11 5 M30. Magnitude of brightest stars = 12.1; horizontal branch level is magnitude 15.1. 53 5024 150,195 13:12.9 +18:10 7.5 12.6 5 M53. Magnitude of brightest stars = 13.8; horizontal branch level is magnitude 16.9. 54 6715 378 18:55.1 -30:29 7.6 9.1 3 M54. Magnitude of brightest stars = 15.5; horizontal branch level magnitude is 17.7. 55 6809 379,380 19:40.0 -30:58 6.4 19.0 11 M55. Magnitude of brightest stars = 11.2; horizontal branch level is magnitude 14.4. 56 6779 118 19:16.6 +30:11 8.3 7.1 10 M56. Magnitude of brightest stars = 13.0:; horizontal branch level is magnitude 16.2. 62 6266 375,376 17:01.2 -30:07 6.7 14.1 4 M62. Magnitude of brightest stars = 13.0:; horizontal branch level is magnitude 16.3. 68 4590 329 12:39.5 -26:45 7.7 12 10 M68. Magnitude of brightest stars = 12.6; horizontal branch level is magnitude 15.6. 69 6637 378 18:31.4 -32:21 7.6 7.1 5 M69. Magnitude of brightest stars = 13.2; horizontal branch level magnitude is 16.2. 70 6681 378 18:43.2 -32:18 8.0 7.8 5 M70. Magnitude of brightest stars = 14.0::; horizontal branch level magnitude is 15.6. 71 6838 162 19:53.8 +18:47 8.0 7.2 M71. Magnitude of brightest stars = 12.1; horizontal branch level magnitude is 14.4. 72 6981 299 20:53.5 -12:32 9.3 5.9 9 M72. Magnitude of brightest stars = 14.2; horizontal branch level magnitude is 16.9. 75 6864 343 20:06.1 -21:55 8.5 6 1 M75. Magnitude of brightest stars = 14.6; horizontal branch level magnitude is 17.5. 79 1904 315 05:24.5 -24:33 7.8 8.7 5 M79. Magnitude of brightest stars = 13.0; horizontal branch level magnitude is 16.2. 80 6093 335,336 16:17.0 -22:59 7.3 8.9 2 M80. Magnitude of brightest stars = 13.4; horizontal branch level magnitude is 15.8. 92 6341 81 17:17.1 +43:08 6.4 11.2 4 M92. Magnitude of brightest stars = 12.1; horizontal branch level magnitude is 15.1. 107 6171 291 16:32.5 -13:03 8.1 10 10 M107. Magnitude of brightest stars = 13.0; horizontal branch level magnitude is 15.6. Bright Nebulae: =============== M NGC U2000 RA 2000 Dec Dim Type P.B Col Notes --- ---- --------------- ------- ------ --------- ----- --- --- --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 1 1952 135,136 05:34.5 +22:01 6x 4 SNR-E 1-5 3-4 M1, "Crab Nebula." 8 6523 339 18:03.8 -24:23 45x30 E 1-5 2-4 M8, "Lagoon." The densest section of the nebulosity is known as the "Hourglass." One of the brightest nebulae, it can be seen with the unaided eye. A prominent dark lane splits the southern one-third of the object. [16]I4703 294 18:18.6 -13:58 35x28 E 1-5 3-4 "Eagle" or "Starqueen" nebula. Brightest over an area 10' x 8' off the SE side of the involved open cluster. Approximately centered in this space is a conspicuous absorption patch, which on photos resembles a horse and rider. 17 6618 294,295,339,340 18:20.8 -16:11 20x15 E 1-5 3-4 M17, "Omega" or "Swan Nebula." Very bright and detailed with a conspicuous "2" shape. With the exception of the Orion Nebula, it is the brightest galactic nebula visible to northern observers. 20 6514 339 18:02.3 -23:02 20x20 E+R 1-5 3-4 M20, "Trifid Nebula." [33] 588 91 01:32.7 +30:40 0.7x0.4 This knot lies in the outlying regions of M33, 14' E of the galaxy's center. The knot NGC 592 is 5.7' due E. [33] 592 91 01:33.2 +30:39 0.7x0.5 A knot involved in the galaxy M33. It lies 9' E of M33's center. [33] 595 91 01:33.5 +30:42 0.7x0.5 A knot involved in the galaxy M33. It can be found 5' WNW of M33's center. [33] 604 91 01:34.5 +30:48 1.0x0.7 1-5 Located 12' NE of the galaxy's center, this is the brightest HII region in M33. It contains several stars of 16th magnitude and fainter. 42 1976 225,226,270,271 05:35.4 -05:27 65x60 E+R 1-5 3-4 M42, "Orion Nebula." Very bright and mottled. This galactic nebula is visible to the naked eye. 43 1982 225,226,270,271 05:35.6 -05:16 20x15 E+R 1-5 3-4 M43. Bright nebulosity with a mag 7 star involved; part of the "Orion Nebula" and separated from it by a dark lane. [45]I 349 132 03:46.3 +23:56 26: R 1-5 1-4 = vdB 22. Nebulosity surrounding the star Merope (23 Tauri) in the Pleiades cluster. [45] 1432 132 03:45.8 +24:22 26: R 2-5 1-4 = vdB 21. Nebulosity surrounding the star Maya (20 Tauri) in the Pleiades cluster. [45] 1435 132 03:46.1 +23:47 30: R 1-5 1-4 "Tempel's Nebula." Condensation of nebulosity S of and semi-detached (in shorter exposures) from IC 349. [45] 132 03:44.9 +24:07 11: R 3-5 1-4 vdB 20. Nebulosity surrounding the star Electra (17 Tauri) in the Pleiades cluster. [45] 132 03:47.5 +24:06 17: R 3-5 1-4 vdB 23. Nebulosity surrounding the star Alcyone (Eta, 25 Tauri) in the Pleiades cluster. 78 2068 226 05:46.7 +00:03 8x 6 R 1-5 2-4 M78. Brightest and largest in a group of four nebulae with NGCs 2064, 2067, and 2071. This slightly oval nebula has two 10th mag stars involved. [101]5447 49 14:02.5 +54:17 1.0x0.2 E HII region in M101. A double, semi-detached knot aligned NNW-SSE. It lies nearly 8' SW of M101's center and there is a 10th magnitude star off the NNE end. [101]5455 49 14:03.0 +54:12 0.5x0.5 E HII region in M101, located about 6.5' SSW of the galaxy's center; mag about 15.0v. [101]5461 49 14:03.7 +54:19 1.1x0.4 E HII region in M101; 4.5' ESE of the galaxy's center. [101]5462 49 14:03.9 +54:22 1.5x0.6 E Visually, the brightest HII region in M101, located nearly 6' E and slightly N of center; magnitude about 14.0v. [101]5471 49 14:04.6 +54:24 0.3 E One of the largest and brightest HII region in M101; magnitude about 13.7v. Dark Nebula =========== M NGC Name U2000 RA 2000 Dec Opac Dim Notes --- ---- ---- --------------- ------- ------ ---- ------ --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- [20] B85 339 18:02.6 -23:02 Three dark lanes trisecting the "Trifid Nebula." [8] B296 339 18:04.1 -24:32 6x1 Narrow; black; on S edge of M8 [8] B88 339 18:04.6 -24:08 2.7x.5 Extended N and S; involved in nebula M8 [8] B89 339 18:05.0 -24:22 0.5 Very small; involved in nebula M8 [24] B92 339 18:15.5 -18:14 6 15x9 Black spot; elongated N and S. It is very sharply defined of its E edge but less definite on the W. There is a 12th magnitude star near the middle with several other small stars. [24] B93 339 18:16.9 -18:04 4 Cometary; a sharply defined black head 2' in diameter, with a diffused tail 15' long running S. Planetary Nebulae: ================== M NGC U2000 RA 2000 Dec Dim m_p m_v CSm_v Alt.Name Notes --- ---- --------------- ------- ------ ---- ---- ---- ----- ----------- --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 27 6853 162,163 19:59.6 +22:43 >348 7.6 7.3: 13.8 PK 60-3.1 M27 or "Dumbbell Nebula." Irregular disk involved in a larger and fainter disk of smooth nebulosity. 57 6720 117 18:53.6 +33:02 >71 9.7 8.8 15.29 PK 63+13.1 M57 or "Ring Nebula." Ring structure, involved in a larger and fainter disk, irregular in form. 76 650 37 01:42.4 +51:34 >65 12.2 10.1 15.87 PK 130-10.1 M76 or "Little Dumbbell." Irregular disk involved in larger, fainter halo of nebulosity, anomalous in form. 97 3587 46 11:14.8 +55:01 194 12.0 9.9 16.01 PK 148+57.1 M97 or "Owl Nebula." Irregular disk with very irregular brightness distribution. Other: ====== M NGC U2000 RA 2000 Dec Mag Diam St# Br.St Notes --- ---- --------------- ------- ------ ---- ---- --- ----- ----------------------------------------------------------------------------- 40 WIN4 [47] 73 6994 299 20:59.0 -12:32 8.9p 2.8 4 10.0p M73. Few stars; small brightness range; not well detached. Probably not a cluster. Composed of four stars.