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1 Globular Clusters 1
2 Globular Clusters 2
3 Globular Clusters (Includes all known globulars in the Milky Way above declination of -50º plus some extras) by Alvin Huey Last updated: June 17, 2013 Globular Clusters 3
4 Other books by Alvin H. Huey Hickson Group Observer s Guide The Abell Planetary Observer s Guide Observing the Arp Peculiar Galaxies Downloadable Guides by FaintFuzzies.com The Local Group Selected Small Galaxy Groups Galaxy Trios and Triple Systems Selected Shakhbazian Groups Globular Clusters Observing Planetary ebulae and Supernovae Remnants Observing the Abell Galaxy Clusters The Rose Catalogue of Compact Galaxies Flat Galaxies Ring Galaxies Variable Galaxies The Voronstov-Velyaminov Catalogue Part I and II Object of the Week 2012 and 2013 Deep Sky Forum Copyright by Alvin Huey All rights reserved Copyright granted to individuals to make single copies of works for private, personal and non-commercial purposes All Maps by MegaStar TM v5 All DSS images (Digital Sky Survey) This and other publications by the author are available through Globular Clusters 4
5 Table of Contents Globular Cluster Index... 6 How to Use the Atlas The Milky Way Globular Clusters A few M-31 Globular Clusters The Palomar Globular Clusters Terzan Globular Clusters Planetary ebulae within globular clusters Index sorted by Object ame Recommended Further Material Revision History Globular Clusters 5
6 Globular Cluster Index Page ame Const Vmag HBMag Bt*Mag SB Size ( ) 12 GC 288 Scl Whiting 1 Cet ridanus Cluster ri GC 1851 Col M79 (GC 1904) Lep GC 2298 Pup GC 2419 Lyn Koposov 2 Gem Pyxis Cluster Pyx GC 3201 Vel GC 4147 Com M53 (GC 5024) Com GC 5053 Com M3 (GC 5272) Boo GC 5466 Boo Koposov 1 Vir GC 5634 Vir GC 6229 Her M13 (GC 6205) Her M92 (GC 6341) Her AM 4 Hyd M68 (GC 4590) Hyd GC 5694 Hyd GC 5986 Lup GC 5824 Lup GC 5897 Lib M5 (GC 5904) Oph Palomar 5 Oph M107 (GC 6171) Oph M10 (GC 6254) Oph M12 (GC 6218) Oph GC 6235 Oph GC 6287 Oph GC 6284 Oph GC 6325 Oph M14 (GC 6402) Oph IC 1257 Oph GC 6366 Oph Haute Provence 1 Oph GC 6426 Oph Globular Clusters 6
7 Page ame Const Vmag HBMag Bt*Mag SB Size ( ) 46 GC 6517 Oph GC 6539 Oph Palomar 7 Oph [PWM78] 2 Oph GC 6535 Oph M19 (GC 6273) Oph GC 6293 Oph GC 6355 Oph M62 (GC 6266) Oph GC 6304 Oph GC 6316 Oph M9 (GC 6333) Oph GC 6342 Oph GC 6356 Oph GC 6401 Oph GC 6440 Sgr M4 (GC 6121) Sco GC 6144 Sco M80 (GC 6093) Sco (SO 452-SCII) Sco GC 6139 Sco GC 6256 Sco Liller 1 Sco GC 6388 Sco GC 6496 CrA GC 6541 CrA GC 6380 Sco Tonantzintlia 2 (Pismis 26) Sco Djorgovski 1 Sco GC 6441 Sco GC 6453 Sco FSR 1735 Ara SO 280-SC06 Ara AL 3 Sgr GC 6522 Sgr GC 6528 Sgr GC 6558 Sgr GC 6569 Sgr GC 6624 Sgr UKS 1 Sgr MASS-GC1 Sgr MASS-GC2 Sgr Globular Clusters 7
8 Page ame Const Vmag HBMag Bt*Mag SB Size ( ) 74 GC 6544 Sgr GC 6553 Sgr GC 6540 Sgr SO 456-SC38 Sgr M22 (GC 6656) Sgr M28 (GC 6626) Sgr GC 6638 Sgr GC 6642 Sgr M69 (GC 6637) Sgr M70 (GC 6681) Sgr GC 6652 Sgr M54 (GC 6715) Sgr GC 6723 Sgr M55 (GC 6809) Sgr Arp GC2 Sgr M75 (GC 6864) Sgr M56 (GC 6779) Cyg M71 (GC 6838) Sge GC 6749 Aql GC 6760 Aql GC 6712 Scu GC 6934 Del GC 7006 Del M72 (GC 6981) Aqr M30 (GC 7099) Cap M2 (GC 7089) Aqr GC 7492 Aqr M15 (GC 7078) Peg M-31 Globular Clusters 94 G1 (M31 GC) And G78, Vitesnik (M31 GC) And Palomar Clusters 97 Palomar 1 Cep Palomar 2 Aur Palomar 3 Sex Palomar 4 UMa Palomar 5 Oph Palomar 6 Oph Terzan 5 Sgr Palomar 7 Oph Palomar 8 Sgr Palomar 9 (GC 6717) Sgr Globular Clusters 8
9 Page ame Const Vmag HBMag Bt*Mag SB Size ( ) 105 Palomar 10 Sag Palomar 11 Aql Palomar 12 Cap Palomar 13 Peg Palomar 14 Her Palomar 15 Oph Terzan Clusters 112 Terzan 1 Sco Terzan 2 Sco Terzan 4 Sco Terzan 3 Sco Terzan 5 Sgr Terzan 6 Sgr Terzan 7 Sgr Terzan 8 Sgr Terzan 9 Sgr Terzan 10 Sgr Terzan 11 Sgr Pe within Globulars 122 Pease 1 in M15 Peg " 123 GJJC1 in M22 Sgr JaFu1 in Palomar 6 Oph JaFu2 in GC 6441 Sco Globular Clusters 9
10 How to Use the Atlas The Atlas takes on two forms; one with and other without DSS image. Pyxis Cluster (Pyxis) With DSS image: The left panel contains the naked eye field with the Telrad TM superimposed on the center of the globular or, if multiple globular clusters, the center of the finder field. The top right panel contains the inverted DSS image. The image is 15 square. GC 2845 GC 2818 GC 2818 Pyxis Cluster The bottom panel is a finder field of about 4.8º across and 3.0º high. The finder field is wide enough for the finder scope and detailed enough for those who choose to use a low power eyepiece as a finder, like I do. The limiting magnitude of the field stars is set between 10 and 12. Pay attention to the magnitude scale on the bottom left. The field of the DSS image is superimposed on the finder chart Open Cl Planetary GC 288 (ridanus) Without DSS image: The top panel contains the naked eye field with the Telrad TM superimposed on the center of the globular or, if multiple globular clusters, the center of the finder field. The bottom panel is a finder field of about 4.8º across and 3.0º high. The limiting magnitude of the field stars is set between 10 and 12. Pay attention to the magnitude scale on the bottom left. One degree circles are centered around each cluster for sense of scale. GC 253 A table provided at the end of the page contains the following data; RA and Dec coordinates in 2000 coordinates Vmag Visual magnitude HBmag V magnitude of the horizontal branch of the globular cluster. This is the magnitude where large number of stars become visible, indicates being resolved. Bt*mag V magnitude of the brightest star SB Surface brightness in V magnitude per square arc-minute Size in arc-minutes Source data is from Archinal and Hynes Any comments or if you want to share any observations. Please send them to Alvin@FaintFuzzies.com Globular Clusters GC
11 The Milky Way Globular Clusters (above -50 declination) Globular Clusters 11
12 GC 288 (Sculptor) GC 253 GC Globular Clusters 12
13 Whiting 1 (Cetus) Galaxy Discovered in 2002 by Whiting, Hau and Irwin. Globular Clusters 13
14 ridanus Cluster MCG Galaxy Globular Clusters 14
15 GC 1851 (Columba) GC Globular Clusters 15
16 M79 (Lepus) GC 1979 M Globular Clusters 16
17 GC 2298 (Puppis) GC Globular Clusters 17
18 GC 2419 (Lynx) GC Globular Clusters 18
19 Koposov 2 (Gemini) Galaxy Discovered in 2007 by Koposov et al. Recently observed by Jimi and I with his 48 telescope in April at 488x - Very faint small round even surface brightness glow. Popped in and out, 75% of the time. About 0.3 across. Globular Clusters 19
20 Pyxis Cluster GC 2818 GC 2818 Pyxis Cluster GC Open Cl Planetary Globular Clusters 20
21 GC 3201 (Vela) SO GC Globular Clusters 21
22 GC 4147 (Coma Berenices) GC 4147 GC Globular Clusters 22
23 M53 and GC 5053 (Coma Berenices) M 53 GC Object M GC Globular Clusters 23
24 M3 (Bootes) GC 5280 M Globular Clusters 24
25 GC 5466 (Bootes) GC 5375 GC Globular Clusters 25
26 Koposov 1 (Virgo) GC 4037 GC Galaxy Discovered in 2007 by Koposov et al. Recently observed by Jimi and I with his 48 telescope in April at 488x - Some speckling was detected around a considerably bright very small fuzzy star in the center. Globular Clusters 26
27 GC 5634 (Virgo) GC Globular Clusters 27
28 GC 6229 (Hercules) GC Radio Globular Clusters 28
29 M13 (Hercules) GC 6207 M 13 GC Globular Clusters 29
30 M92 (Hercules) GC 6329 M 92 UG Globular Clusters 30
31 AM 4 (Hydra) GC Galaxy Discovered in 2007 by Arp and Madore in Globular Clusters 31
32 M68 (Hydra) MCG M Globular Clusters 32
33 GC 5694 (Hydra) GC Globular Clusters 33
34 GC 5986 (Lupus) GC Globular Clusters 34
35 GC 5824 (Lupus) GC Globular Clusters 35
36 GC 5897 (Libra) GC 5897 MCG Globular Clusters 36
37 M5 and Palomar 5 (Ophiuchus) M 5 GC 5869 Pal Object M Palomar Globular Clusters 37
38 M107 (Ophiuchus) M Globular Clusters 38
39 M10 and M12 (Ophiuchus) M 12 M Object M M Globular Clusters 39
40 GC 6235 and GC 6287 (Ophiuchus) SO IC 4634 GC 6235 GC Planetary Object GC GC Globular Clusters 40
41 GC 6284 and GC 6325 (Ophiuchus) GC 6325 GC Object GC GC Globular Clusters 41
42 M14 (Ophiuchus) M Field: 7.3 x 4.5 Object M Globular Clusters 42
43 GC 6366 and IC 1257 (Ophiuchus) GC 6366 IC Object GC IC Globular Clusters 43
44 Haute Province 1 (Ophiuchus) Cr 331 HP Open Cl Globular Clusters 44
45 GC 6426 (Ophiuchus) GC Globular Clusters 45
46 GC 6539, 6517 and Pal 7 (IC 1276) (Ophiuchus) IC 1276 GC 6539 GC Object GC GC Palomar Globular Clusters 46
![[PWM78] 2 (Ophiuchus) 5 6 7 8 9 10 11 12 Galaxy 17 58 39.](/docs-images/94/121056446/images/47-0.jpg "4-05 04 21 - - - - 2 Globular Clusters 47 www.faintfuzzies.")
47 [PWM78] 2 (Ophiuchus) Galaxy Globular Clusters 47
48 GC 6535 (Ophiuchus) GC Globular Clusters 48
49 M19 and GC 6293 (Ophiuchus) M 19 GC Object M GC Globular Clusters 49
50 GC 6355 (Ophiuchus) GC 6355 SO Planetary Object GC Globular Clusters 50
51 M62, GC 6304 and GC 6316 (Ophiuchus) GC 6316 GC 6304 M 62 Field: 10 x Object M GC GC Globular Clusters 51
52 M9, GC 6342 and GC 6356 (Ophiuchus) GC 6356 M 9 SO GC Planetary Object M GC GC Globular Clusters 52
53 GC 6401 (Ophiuchus) GC 6401 GC 6 Terzan 5 SO Planetary GC Globular Clusters 53
54 GC 6440 (Sagittarius) M 23 GC 6445 GC 6440 SO Open Cl Planetary Object GC Globular Clusters 54
55 M4 and GC 6144 (Scorpius) GC 6144 M Object M GC Globular Clusters 55
56 M80 (Scorpius) M M Globular Clusters 56
57 (SO 452-SC11) (Scorpius) SO SO SO SO Planetary Discovered in 1982 by Lauberts. Globular Clusters 57
58 GC 6139 (Scorpius) GC 6139 GC Planetary Globular Clusters 58
59 GC 6256 (Scorpius) SO GC 6256 GC Open Cl Planetary Globular Clusters 59
60 Liller 1 (Scorpius) GC 6416 M 6 Cr 337 GC 6383 Antalova 2 GC 6404 Cr 336 Cr 345 Cr 333 Pismis Galaxy Open Cl Brt eb Discovered in 1977 by Liller. Globular Clusters 60
61 GC 6388 (Scorpius) SO SO GC 6388 SO Planetary Object GC Globular Clusters 61
62 GC 6496 and GC 6541 (Corona Australis) GC 6541 GC Object GC GC Globular Clusters 62
63 GC 6380 and Tonantzinlia 2 (Scorpius) Ton 2 GC 6380 TR 25 Cr Open Cl Planetary Object GC Ton Globular Clusters 63
64 Djorgovski 1 (Scorpius) GC 6416 M 6 Cr GC 6404 SO Cr 345 SO SO Galaxy Open Cl Planetary Discovered in 1986 by S. Djorgovski. Globular Clusters 64
65 GC 6441 and GC 6453 (Scorpius) GC 6453 M 7 SO Cr 355 SO GC 6441 GC Open Cl Planetary Object GC GC Look for JaFu2, a planetary nebula, in GC See page 125. Globular Clusters 65
66 FSR 1735 (Ara) GC 6250 GC 6204 Hogg 22 GC Galaxy Open Cl Discovered in 2006 using the 2MASS IR telescope. Globular Clusters 66
67 SO 280-SC06 (Ara) IC 4699 SO Galaxy Planetary Discovered in 2000 by S. Ortolani,. Bica and B. Barbuy from SO observations. This is the 150 th Milky Way Clusters to be discovered. Globular Clusters 67
68 AL 3 (Sagittarius) SO SO SO Open Cl Planetary GC Discovered in 1967 by Andrews and Lindsay and identified as a globular cluster by Ortolani, Bica and Batbuy in Globular Clusters 68
69 GC 6522 and GC 6528 (Sagittarius) SO GC 6522 GC Planetary Object GC GC Globular Clusters 69
70 GC 6558 and GC 6569 (Sagittarius) SO GC 6569 GC 6558 SO Planetary Object GC GC Globular Clusters 70
71 GC 6624 (Sagittarius) SO SO GC 6624 SO SO Planetary GC GC Globular Clusters 71
72 UKS 1 (Sagittarius) Galaxy Open Cl Planetary Brt eb Discovered in 1980 by Malkan, Kleinmann and Apt. This was one of the very toughest globular clusters to be observed visually. Barbara Wilson is probably the first one to see it with her 20 reflector. Globular Clusters 72
73 2MASS-GC1 and 2MASS-GC2 (Sagittarius) GC 6567 IC 1283 GC 6595 GC 6589 GC Mass-GC 1 GC Mass-GC 2 GC Open Cl Planetary Brt eb Object GC v GC v Both of these were discovered using the 2MASS IR telescope, it is most likely not observable visually. We tried it with a 48 reflector with no success Globular Clusters 73
74 GC 6544 and GC 6553 (Sagittarius) IC 1275 SH2-32 Cr 367 SH2-31IC 1274 IC 4685 GC 6559 Bochum 14 GC 6530 M 8 GC 6544 GC Open Cl Brt eb Object GC GC Globular Clusters 74
75 GC 6540 and SO 456-SC38 (Sagittarius) SO IC 4673 SO GC 6565 GC 6540 SO GC 6520 SO Cr 357 SO SO SO SO Open Cl Planetary Object GC SO Globular Clusters 75
76 M22, M28, GC 6638 and GC 6642 (Sagittarius) GC 6629 GC 6642 M 22 PK SO SO M 28 GC 6644 GC 6638 SO Planetary Object M M GC GC Look for planetary nebula, GJJC1, in M-22. See page 123. Globular Clusters 76
77 M69, M70 and GC 6652 (Sagittarius) SO SO M 70 M 69 SO GC 6652 IC 4776 SO Planetary Object M M GC Globular Clusters 77 SO 3
78 M54 (Sagittarius) MCG M 54 SO Planetary Object M Globular Clusters 78
79 GC 6723 (Sagittarius) GC Globular Clusters 79
80 M55 and Arp GC2 (Sagittarius) ArpGC 2 M Object M Arp GC Globular Clusters 80
81 M75 (Sagittarius) M Globular Clusters 81
82 M56 (Lyra) M Globular Clusters 82
83 M71 (Sagitta) M 71 Harvard Open Cl Planetary Globular Clusters 83
84 GC 6749 and GC 6760 (Aquila) SH2-71 GC 6749 GC Planetary Object GC GC Globular Clusters 84
85 GC 6712 (Scutum) GC 6712 M Open Cl Globular Clusters 85
86 GC 6934 (Delphinus) GC Globular Clusters 86
87 GC 7006 (Delphinus) GC Globular Clusters 87
88 M72 (Aquarius) M 73 M Open Cl Globular Clusters 88
89 M30 (Capricornus) M Globular Clusters 89
90 M2 (Aquarius) M Globular Clusters 90
91 GC 7492 (Aquarius) GC Globular Clusters 91
92 M15 (Pegasus) M Look for Pease 1, a planetary nebula. See page Globular Clusters 92
93 A few M-31 Globular Clusters Globular Clusters 93
94 G1 (M31 GC) (Andromeda) M 31 M 32 G Glxy Knot Globular Clusters 94
95 G78 and nearby globulars (M31 GC) (Andromeda) M 31 M 110 G 72 M 31 G 78 M Galaxy Object G G G v G G C Globular Clusters 95
96 The Palomar Globular Clusters Globular Clusters 96
97 Palomar 1 (Cepheus) GC 1184 Pal Globular Clusters 97
98 Palomar 2 (Auriga) Pal Globular Clusters 98
99 Palomar 3 (Sextans) CGCG 8-60 Pal 3 UGC Globular Clusters 99
100 Palomar 4 (Ursa Major) GC 3687 Pal 4 UGC GC 3713 UGC Globular Clusters 100
101 Palomar 6 and Terzan 5 (Oph/Sgr) Terzan 5 SO Pal Planetary Brt eb Object Palomar Terzan Look for JaFu1, a planetary nebula, in Palomar 6. See page 124. Globular Clusters 101
102 Palomar 6 Terzan 5 Globular Clusters 102
103 Palomar 8 (Sagittarius) Pal 8 SO Open Cl Planetary Globular Clusters 103
104 Palomar 9 (GC 6717) (Sagittarius) SO GC 6717 SO SO Planetary Globular Clusters 104
105 Palomar 10 (Sagitta) Pal Globular Clusters 105
106 Palomar 11 (Aquila) GC 6821 Pal Globular Clusters 106
107 Palomar 12 (Capricornus) Pal 12 GC Globular Clusters 107
108 Palomar 13 (Pegasus) GC 7535 GC 7536 GC 7563 GC 7515 Pal 13 GC 7479 GC Globular Clusters 108
109 Palomar 14 (Hercules) MCG UGC UGC 10 MAC 1 UGC Galaxy Globular Clusters 109
110 Palomar 15 (Ophiuchus) Galaxy Globular Clusters 110
111 Terzan Globular Clusters Globular Clusters 111
112 Terzan 1, 2 and 4 (Scorpius) Cr 331 SO HP 1 SO Terzan 1 SO 4 Terzan 2 Terzan 4 M Open Cl Planetary Brt eb Object Terzan Terzan Terzan Globular Clusters 112
113 Terzan 1 Terzan 2 Terzan 4 Globular Clusters 113
114 Terzan 3 (Scorpius) IC SO Terzan 3 MCG SO Planetary Globular Clusters 114
115 Terzan 6 (Sagittarius) SO GC 6451 SO SO Terzan 6 GC 6425 GC Open Cl Planetary Brt eb Globular Clusters 115
116 Terzan 7 (Sagittarius) Terzan 7 MCG Globular Clusters 116
117 Terzan 8 (Sagittarius) Terzan Globular Clusters 117
118 Terzan 9 and 10 (Sagittarius) GC 6544 GC 6553 Terzan 10 Terzan GC 6540 Open Cl Brt eb SO GC 6520 Object Terzan Terzan Globular Clusters 118
119 Terzan 9 Terzan 10 Globular Clusters 119
120 Terzan 11 (Sagittarius) GC 6568 GC 6583 M 21 Terzan 11 GC 6546 Cr 367 B Open Cl Globular Clusters 120
121 Planetary ebulae within globular clusters Globular Clusters 121
122 Pease 1 (M15) Find the 4 trapezium stars inside the 'box', then proceed to the next finder chart. These stars are only the start of a grand starhoppin' adventure. In these images, orth is up, and West is to the right. Use the 4 trapezium stars in the 'box' as starters; first you want to locate star 'D by star-hopping from 'A' to 'B' to 'C' and then to 'D' (green lines). Stars A, B, C, and D have similar magnitudes, although B and C are slightly fainter. Once you have located 'D', then draw an imaginary line between stars 'A' and 'D'. Continue this line through to where star '' is (about 20 arc seconds S). When you have located star '', then use Finder Chart 3 which is a modified Hubble image. From star '' continue the line S not quite half an arc minute until you can observe a small clump of stars. (I know, everything in the field is a clump of stars!) otice that of the three stars circled, the P is the object just slightly to the northwest. Pe Mag.= 14.9, Surface Brightness = 6, and the angular size of the P = 1" (arc second). Finder charts and directions reproduced with permission from Doug Snyder Globular Clusters 122
123 GJJC1 in M22 (Sagittarius) This image shows the overall view of M22 and in general the location of GJJC1. The Reference Star FC1 (arbitrarily chosen) can be a starting point for star hopping to the area of the Pe, but it is also used as a reference on the next image so that we don't lose our bearings. All of the images have orth at the top and ast to the left. The reference star V8 on Image2 (right) is a check point for Image3 (bottom left), and a rough position is also shown for GJJC1. ow proceed to Image4 (bottom right) for the final location. Finder charts and directions reproduced with permission from Doug Snyder Globular Clusters 123
124 JaFu1 in Palomar 6 (Ophuichus) Finder charts and directions reproduced with permission from Doug Snyder Globular Clusters 124
125 JaFu2 in GC 6441 (Scorpius) Finder charts and directions reproduced with permission from Doug Snyder Globular Clusters 125
126 Index sorted by Object ame Page ame Const Vmag HBMag Bt*Mag SB Size ( ) 47 [PWM78] 2 Oph (SO 452-SCII) Sco MASS-GC1 Sgr MASS-GC2 Sgr AL 3 Sgr AM 4 Hyd Arp GC2 Sgr Djorgovski 1 Sco ridanus Cluster ri SO 280-SC06 Ara SO 456-SC38 Sgr FSR 1735 Ara G1 (M31 GC) And G78, Vitesnik (M31 GC) And GJJC1 in M22 Sgr Haute Provence 1 Oph IC 1257 Oph JaFu1 in Palomar 6 Oph JaFu2 in GC 6441 Sco Koposov 1 Vir Koposov 2 Gem Liller 1 Sco M2 (GC 7089) Aqr M3 (GC 5272) Boo M4 (GC 6121) Sco M5 (GC 5904) Oph M9 (GC 6333) Oph M10 (GC 6254) Oph M107 (GC 6171) Oph M12 (GC 6218) Oph M13 (GC 6205) Her M14 (GC 6402) Oph M15 (GC 7078) Peg M19 (GC 6273) Oph M22 (GC 6656) Sgr M28 (GC 6626) Sgr M30 (GC 7099) Cap M53 (GC 5024) Com M54 (GC 6715) Sgr M55 (GC 6809) Sgr Globular Clusters 126
127 Page ame Const Vmag HBMag Bt*Mag SB Size ( ) 82 M56 (GC 6779) Cyg M62 (GC 6266) Oph M68 (GC 4590) Hyd M69 (GC 6637) Sgr M70 (GC 6681) Sgr M71 (GC 6838) Sge M72 (GC 6981) Aqr M75 (GC 6864) Sgr M79 (GC 1904) Lep M80 (GC 6093) Sco M92 (GC 6341) Her GC 288 Scl GC 1851 Col GC 2298 Pup GC 2419 Lyn GC 3201 Vel GC 4147 Com GC 5053 Com GC 5466 Boo GC 5634 Vir GC 5694 Hyd GC 5824 Lup GC 5897 Lib GC 5986 Lup GC 6139 Sco GC 6144 Sco GC 6229 Her GC 6235 Oph GC 6256 Sco GC 6284 Oph GC 6287 Oph GC 6293 Oph GC 6304 Oph GC 6316 Oph GC 6325 Oph GC 6342 Oph GC 6355 Oph GC 6356 Oph GC 6366 Oph GC 6380 Sco GC 6388 Sco GC 6401 Oph Globular Clusters 127
128 Page ame Const Vmag HBMag Bt*Mag SB Size ( ) 45 GC 6426 Oph GC 6440 Sgr GC 6441 Sco GC 6453 Sco GC 6496 CrA GC 6517 Oph GC 6522 Sgr GC 6528 Sgr GC 6535 Oph GC 6539 Oph GC 6540 Sgr GC 6541 CrA GC 6544 Sgr GC 6553 Sgr GC 6558 Sgr GC 6569 Sgr GC 6624 Sgr GC 6638 Sgr GC 6642 Sgr GC 6652 Sgr GC 6712 Scu GC 6723 Sgr GC 6749 Aql GC 6760 Aql GC 6934 Del GC 7006 Del GC 7492 Aqr Palomar 1 Cep Palomar 2 Aur Palomar 3 Sex Palomar 4 UMa Palomar 5 Oph Palomar 6 Oph Palomar 7 Oph Palomar 7 Oph Palomar 8 Sgr Palomar 9 (GC 6717) Sgr Palomar 10 Sag Palomar 11 Aql Palomar 12 Cap Palomar 13 Peg Palomar 14 Her Globular Clusters 128
129 Page ame Const Vmag HBMag Bt*Mag SB Size ( ) 110 Palomar 15 Oph Pease 1 in M15 Peg " 20 Pyxis Cluster Pyx Terzan 1 Sco Terzan 10 Sgr Terzan 11 Sgr Terzan 2 Sco Terzan 3 Sco Terzan 4 Sco Terzan 5 Sgr Terzan 6 Sgr Terzan 7 Sgr Terzan 8 Sgr Terzan 9 Sgr Tonantzintlia 2 (Pismis 26) Sco UKS 1 Sgr Whiting 1 Cet Globular Clusters 129
130 Recommended Further Material Recommended further reading Archinal, Brent A. and Hynes, Steven J Star Clusters Willmann-Bell, Richmond, VA Burnham, Robert Burnham s Celestial Handbook, Vol. 1 to 3. Dover Books, ew York,.Y. Coe, Steven R Deep Sky Observing. The Astronomical Tourist. Springer Publishing Company,.Y. icher, David J Galaxies and the Universe. Kalmbach Publishing Co., W.I. Houston, Walter Scott 1999; Deep-Sky Wonders, Sky Publishing Corp. Cambridge, MA Kepple, George R. and Glen W The ight Sky Observer s Guide, Vol. 1 and 2. Willmann-Bell, Richmond, VA. Luginbuhl, Christian B. and Brian A. Skiff Observing Handbook and Catalogue of Deep-Sky Objects. Cambridge University Press,.Y. Webb Society Webb Society Deep-Sky Observer s Handbook, Volume 3 Open and Globular Clusters nslow Publishers, Hillside, J Meketa, Jim. Summer The Ophiuchus Globulars Deep Sky 2(2): Higgens, David. Spring Pushing to the Limit: The Palomar Clusters from Your Backyard Deep Sky 6(1): Witkoski, Michael. Autumn Off-Season Globular Clusters Deep Sky 6(3): Schur, Chris. Spring A Survey of Bright Globular Clusters for Backyard Telescopes Deep Sky 7(2): Bunge, Robert. Spring Discover the Unknown Globulars of Sagittarius Deep Sky 9(2): Jakiel, Richard. October A Tour of xtragalactic Globulars Sky and Telescope: Globular Clusters 130
131 Recommended Internet Sites - The premier Deep Sky forum where advanced deep sky observers converge and discuss observing the deep sky - Great source of observing projects for all skill levels. - ASA-IPAC xtragalactic Database D - The STScI Digitized Sky Survey - SkyServer DR8 Tools for Visual xploration (SDSS) Great resource for like-minded amateurs discussing most aspects of the hobby. Galaxy Zoo Sources of charts and images Charts by Megastar version 5 Willmann-Bell Richmond, VA DSS images (Digital Sky Survey) Globular Clusters 131
132 Revision History Date March 31, 2009 ew document Revision September 8, 2011 Correct typos in coordinates for GC 4717, GC 6426 and Palomar 8 March 26, 2013 March 28, 2013 nhanced throughout to be consistent with other guides. ote: o new objects. Added four new objects: Koposov 1 Koposov 2 Whiting 1 FSR 1735 June 17, 2013 Corrected table on page 75 for GC Globular Clusters 132
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