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(IAAC) Catalog of obscure star clusters



Hello,
I'm an advanced amateur ( for a while.. ) that does some
research through the internet.
Recently, I collected a large ammount of star cluster data,
and the results is presented here as a list of obscure clusters
( not in the 5 th ed. of Lynga's catalog ).
As you'll see, I included some of my own discoveries, also
with comments, as well as the results of my e-mail contacts
with the astronomers Brent Archinal and Brian Skiff.
Please, let me know about your impressions of these clusters
( including my discoveries! ).
Here's the list :
--------------------------------------------------------------
  Table 1 - Clusters in the ESO/Uppsala Survey ( Lauberts )
--------------------------------------------------------------
  Designation    Coord(2000.0) Cns     Diam      Tr.Type
--------------------------------------------------------------
 ESO 245-SC 09   015342-45573  Phe    12'          III 1
 ESO 485-SC 20   045004-25574  Eri     5'           II 2
 ESO 252-SC 14   051600-45142  Pic     3.0'        III 2
 ESO 486-SC 45   051643-24023  Lep     3.0'          I 3
 ESO 486-SC 54   052011-26029  Lep     5'           II 2
 ESO 424-SC 25   054949-32279  Col     8'          III 3
 ESO 425-SC 06   060450-29110  Col     5'           II 2
 ESO 489-SC 01   060459-26437  Lep    10'          III 3
 ESO 425-SC 15   061435-29225  Cma     5'          III 3
 ESO 426-SC 26   063618-30513  Cma     4.0'         II 2
 ESO 309-SC 03   065039-42234  Pup     6'           II 2
 ESO 427-SC 32   070614-30100  Cma    10'          III 3
 ESO 367-SC 10   071705-35168  Pup     3.0'        III 3
 ESO 559-SC 02   071805-18357  Cma     1.2'          I 3
 ESO 559-SC 13   072842-20495  Pup    10'  x  5'    II 2
 ESO 429-SC 02   073323-28112  Pup     5'            I 2
 ESO 429-SC 05   073702-32119  Pup     1.2'x  0.9' III 3
 ESO 493-SC 03   073945-27176  Pup     n/a           I 2
 ESO 429-SC 13   074108-30443  Pup     n/a          II 2
 ESO 368-SC 11   074422-34387  Pup     1.0'        III 3
 ESO 258-SC 01   074547-46428  Pup    10'          III 3
 ESO 368-SC 14   074703-32581  Pup     4.0'        III 3
 ESO 311-SC 14   074924-42423  Pup     6'          III 2
 ESO 123-SC 26   075230-60198  Car    16'  x 13'   III 3
 ESO 494-SC 09   075916-27351  Pup     3.0'          I 2
 ESO 561-SC 05   075919-22415  Pup     7'  x  5'    II 2
 ESO 311-SC 21   080143-41363  Pup     4.0'        III 3
 ESO 430-SC 09   080224-29466  Pup     0.8' 
 ESO 430-SC 14   080337-31256  Pup     5'           II 3
 ESO 430-SC 18   080652-30502  Pup    12'          III 2
 ESO 312-SC 03   082431-41177  Pup     2.0'        III 3
 ESO 312-SC 04   082653-41150  Vel     1.0'         II 2
 ESO 370-SC 13   082709-34423  Pyx     2.0'         II 1
 ESO 313-SC 03   083141-41475  Vel     2.5'         II 3
 ESO 370-SC 17   083151-36124  Pyx     3.0'        III 3
 ESO 432-SC 03   084253-27524  Pyx     8'           II 2
 ESO 313-SC 11   084343-37428  Vel     4.0'        III 2
 ESO 313-SC 12   084353-40139  Vel    10'            I 2
 ESO 211-SC 01   084711-52045  Vel     4.0'        III 3
 ESO 211-SC 03   085135-50153  Vel     2.5'         II 3
 ESO 371-SC 25   085300-35286  Pyx     3.0'          I 2
 ESO 260-SC 17   090449-46025  Vel     7'          III 3
 ESO 165-SC 09   090515-55573  Vel    15'  x 10'    II 2
 ESO 166-SC 04   091030-53532  Vel     4.0'        III 2
 ESO 261-SC 03   091123-47024  Vel    10'  x  7'   III 3
 ESO 211-SC 09   091644-50171  Vel     2.0'          I 2
 ESO 314-SC 14   091941-38070  Vel    10'  x  5'   III 2
 ESO 261-SC 07   092421-44423  Vel    33'  x 24'   III 3
 ESO 315-SC 14   093525-39320  Ant     3.0'  
 ESO 435-SC 09   095533-28592  Ant    15'           II 2
 ESO 435-SC 17   095845-30546  Ant     4.0'         II 1
 ESO 092-SC 05   100314-64452  Car     5'            I 2
 ESO 435-SC 33   100354-32032  Ant     3.0'         II 1
 ESO 435-SC 48   100935-28215  Ant     4.0'          I 2
 ESO 436-SC 02   101403-29114  Ant     5'            I 2
 ESO 092-SC 18   101458-64367  Car     5'            I 2
 ESO 062-SC 08   102139-69201  Car     5'  x  3.0'  II 2
 ESO 062-SC 11   103855-69020  Car     6'           II 3
 ESO 094-SC 05   113921-63282  Cen
 ESO 437-SC 61   104802-29234  Hya     4.0'          I 2
 ESO 128-SC 16   105341-58144  Car    10'  x  5'   III 2
 ESO 265-SC 01   110058-45210  Vel     4.0'x  2.0' III 1
 ESO 502-SC 19   110807-26438  Hya     3.0'          I 3
 ESO 570-SC 12   111212-21192  Crt    13'            I 3
 ESO 093-SC?08   111941-65132  Car     1.0'      
 ESO 129-SC 19   112111-58139  Cen     5'           II 2
 ESO 129-SC 32   114409-61049  Cen     4.0'         II 2
 ESO 130-SC 13   122318-59396  Cru    10'          III 3
 ESO 064-SC 05   122433-68280  Mus    10'           II 2
 ESO 131-SC 09   122938-57526  Cru     5'           
 ESO 442-SC 04   123405-29246  Hya    10'           II 1
 ESO 065-SC 03   125137-69438  Mus     6'          III 2
 ESO 324-SC 15   132343-41532  Cen     4.0'          I 2
 ESO 065-SC 07   132917-71161  Mus     4.0'x  1.5' III 2
 ESO 383-SC 10   133129-35039  Cen     5'           II 2
 ESO 132-SC 14   133631-62128  Cen
 ESO 445-SC 74   135439-31575  Cen     2.5'         II 3
 ESO 097-SC 15   141529-64367  Cir    12'  x 10'    II 3
 ESO 021-SC 06   141552-78302  Aps     9'  x  6'   III 3
 ESO 175-SC 06   141832-56551  Cen    18'  x 11'   III 2
 ESO 447-SC 29   143727-29247  Hya    12'  x  8'    II 3
 ESO 134-SC 12   144446-59099  Cir     4.0'        III 1
 ESO 008-SC 06   145512-83254  Oct    10'           II 1
 ESO 329-SC 02   152732-41032  Lup     8'  x  7'   III 2
 ESO 099-SC 06   152948-64518  TrA     8'  x  3.0' III 2
 ESO 275-SC 01   155504-46009  Nor     6'           II 2
 ESO 389-** 05   155750-36123  Lup     1.8'x  1.0'      
 ESO 226-SC 06   162414-51091  Nor     4.0'        III 2
 ESO 137-SC 23   162427-61445  TrA     5'           II 2
 ESO 277-SC 04   164025-43445  Sco     1.5'          I 3
 ESO 518-SC 03   164704-25487  Sco     5'            I 2
 ESO 137-SC 43   164825-61456  Ara     6'  x  4.0'  II 2
 ESO 332-SC 08   165443-40425  Sco    10'            I 2
 ESO 332-SC?11   165601-40468  Sco     3.0'x  1.0'
 ESO 332-SC?13   165640-40350  Sco     4.0'x  1.0'
 ESO 043-SC 13   170405-74205  Aps     8'  x  4.0' III 2
 ESO 587-SC 04   170422-19273  Oph     2.5'          I 1
 ESO 332-SC 20   170455-38192  Sco     7'          III 3
 ESO 278-SC 02   170614-46073  Ara     2.0'x  7.0'  II 3
 ESO 332-SC 22   170729-40488  Sco     7'  x  5'   III 3
 ESO 392-SC 13   172652-34412  Sco    10'           II 2
 ESO 334-SC 02   173657-42136  Sco     2.0'         II 2
 ESO 139-SC 13   173741-58078  Ara     5'          III 2
 ESO 393-SC 12   173840-35391  Sco     2.0'        III 2
 ESO 393-SC 15   174333-34131  Sco     5'          III 3
 ESO 520-SC?20   174336-24431  Oph     0.7'           
 ESO 456-SC 05   175302-29536  Sgr  
 ESO 456-SC 09   175352-32290  Sco     6'          III 3
 ESO 456-SC 29   175835-32012  Sgr     0.8'        III 3
 ESO 229-SC 02   175935-51411  Ara     3.0'        III 2
 ESO 589-SC 26   180214-21549  Sgr     2.5'         II 1
 ESO 139-SC 54   180441-58314  Pav     6'           II 3
 ESO 280-SC 06   180905-46252  Ara     1.5'          
 ESO 521-SC 38   180925-24318  Sgr     3.0'          I 1
 ESO 456-SC 72   181229-29346  Sgr     1.4'        III 2
 ESO 522-SC 05   181253-24218  Sgr     4.0'         II 2
 ESO 335-SC 05   181607-41038  CrA     1.0'x  7.0' III 3
 ESO 522-SC 16   181905-27078  Sgr     
 ESO 281-SC 24   183959-44119  CrA     6'           II 3
 ESO 524-SC 01   185639-26578  Sgr     6'  x  2.0' III 2
 ESO 397-SC 01   190409-33231  Sgr     6'          III 2
 ESO 282-SC 26   191352-42368  CrA    20'  x 15'   III 3
 ESO 231-SC 30   191652-51295  Tel    20'          III 3
 ESO 141-SC 47   191802-57543  Pav     7'  x  5'    II 2
 ESO 337-SC 23   191913-37373  Sgr     5'  x  3.0' III 3
 ESO 525-SC 08   192717-23348  Sgr     5'           II 1
 ESO 461-SC 38   200454-30210  Sgr     4.0'         II 1
 ESO 026-SC 02   202638-80002  Oct     8'          III 3
 ESO 464-SC 09   205936-29233  Mic     4.0'          I 2
 ESO 236-SC 07   212128-51487  Ind    30'  x 20'    II 3
--------------------------------------------------------------
 Table 2 - Less known NGC/IC clusters
--------------------------------------------------------------
 Desig           Coord(2000.0) Cns
-------------------------------------------------------------
 IC 2156         060451+24096  Gem   Just n of IC 2157
 IC 1023         143225-35482  Cen
 NGC 6588        182033-63485  Pav
 comment :  There are another unstudied NGC cluster candidates
            in the B. Archinal monograph No 1 of the Webb Society
            ( 229 misidentified or missing NGC clusters ). The
            three objects above aren't included in the mentioned
monograph.
------------------------------------------------------------------------
 Table 3 - Other possible clusters
------------------------------------------------------------------------
 Desig        Coordinates (2000.0)   References  Comments
------------------------------------------------------------------------
 PWM78 1      01 08 04.8 +65 38 51   1
 Wat 1        04 18 36.4 +52 51 28   5          Prob an asterism (vPoor)
 AM 0430-392  04 32 24   -39 17.6    12         Few eF st surr 12th m st
 Wat 2        05 28 01   +40 22.3    5          vPoor ( only 5 st )
 KAS97 1      06 08 48   +24 19.9    21         Superimposed in M 35
 SSWZ94 1     07 20.9    +01 48      19         eF, Be-like. Difficult
 Wat 7        07 26 08.0 -15 05 39   6          Associated to F neby
 FM80 1       07 30.2    -15 50      6
 AM 2         07 38 46   -33 50.6    3,14,16,17,20,22  Old OC, not Glob
 Wat 3        07 55 06.4 -25 21 54   5
 SSWZ94 2     08 25.5    -39 38      19         eF, Be-like. Difficult
 SSWZ94 3     10 41.5    -55 18      19         eF, Be-like. Difficult
 SSWZ94 4     12 14.1    -63 36      19         eeF cl. Possible Glob
 AM 1353-265  13 56 21   -27 10.0    12         eeF gr of stars (???)
 TJ 20        17 33.6    -29 19      7          poor,loose. asterism?
 PWM78 2      17 58 39.4 -05 04 21   1          eF Possible globular!!
 C1814-190    18 16 51   -19 01.8    8          same as C1814-191ab ???
 C1814-191a   18 16 59.6 -19 04 33   15
 C1814-191b   18 17 24.6 -19 05 10   15
 SSWZ94 5     19 39.6    +25 39      19
 T85 1        19 49 04   +27 17.9    9,11       Cep var S Vul Superimp.
 SSWZ94 6     19 51.0    +32 15      19        
 Platais 1    21 30 02   +48 58.6    2,10,18    Incl. cep var V1726 Cyg
 PMH79 1      22 18.8    +63 16      4,13       Associated to nebulosity
 PWM78 3      23 08 10.8 +60 52 28   1
 PWM78 4      23 50 53.0 +62 19 25   1
Bibliographical References :
 1  1977stcl.symp...39P    00/1977
    PFLEIDERER, J.; WEINBERGER, R.; MROSS, R.
    Some new possible very red and faint star clusters
 2  1979ATsir1049....4P   00/1979
    PLATAIS, I.
    BD +48 3398 = SVS 2299 : a new classical Cepheid a
    possible member of an anonymous galactic cluster.
 3  1979ApJ...227L.103M    01/1979
    MADORE, B. F.; ARP, H. C.
    Three new faint star clusters
 4  1979RMxAA...4..331P   08/1979
    PISMIS, P.; MORENO, M. A.; HASSE, I.
    Internal motions in H II regions.
    VI - S 140 and the associated CO cloud
    [ See p 333-334  Section IV - The
      embedded stars; A new open cluster ]
 5  1979A&AS...38..197M    11/1979
    MOFFAT, A. F. J.; JACKSON, P. D.; FITZGERALD, M. P.
    The rotation and structure of the galaxy beyond
    the solar circle. I - Photometry and spectroscopy
    of 276 stars in 45 H II regions and other young
    stellar groups toward the galactic anticentre
 6  1980MNRAS.193..761F    00/1980
    FITZGERALD, M. P.; MOFFAT, A. F. J.
    Luminous stars beyond the solar circle -
    Investigation of a galactic field at l=231deg
 7  1980Msngr..20....6T    00/1980
    TERZIAN, A.; JU, K. H.
    A photometric study of the bright cloud B in
    Sagittarius - Part three
 8  1984PASP...96..422T   06/1984
    TURNER, D. G.
    The optical companions of the long-period Cepheid WZ
    Sagittarii - Remains of an open cluster?
 9  1985JRASC..79..175T    08/1985
    TURNER, D. G.
    A newly-discovered open cluster surrounding
    the 68 1/2-day Cepheid S Vulpeculae
10  1986NInfo..61...89P   00/1986
    PLATAIS, I.
    On the reality of an anonymous galactic cluster.
    Alpha = 21 28 3, delta = 48 46.
11  1986JRASC..80..166T    08/1986
    TURNER, D. G.; LEONARD, P. J. T.; MADORE, B. F.
    Photometry of the S Vul cluster
12  1987AMCat.C......1A    00/1987
    ARP, H. C.; MADORE, B. F.
    Catalogue of Southern Peculiar Galaxies and Associations
13  1988NASAR1202....1L   00/1988
    1988QB851.L44......   06/1988
    LEISAWITZ, DAVID
    Catalog of open clusters and associated interstellar matter
14  1988A&AS...74..299G    08/1988
    GRATTON, R. G.; ORTOLANI, S.
    Deep photometry of globular clusters.
    VIII - The highly reddened cluster AM-2
15  1993ApJS...85..119T   03/1993
    TURNER, DAVID G.; VAN DEN BERGH, SIDNEY;
    YOUNGER, P. F.; DANKS, T. A.; FORBES, DOUGLAS
    A search for OB associates near southern long-period
    Cepheids. IV - XY Carinae, GT Carinae, WZ Sagittarii,
    and SW Velorum
16  1993AAS...18311008J    12/1993
    JANES, K. A.; PHELPS, R. L.;  MONTGOMERY, K. A.
    The Oldest Open Clusters
17  1994AJ....107.1079P    03/1994
    PHELPS, RANDY L.; JANES, KENNETH A.;  MONTGOMERY, KENT A.
    Development of the Galactic disk: A search for the oldest
    open clusters
18  1994AJ....107.1796T   05/1994
    TURNER, DAVID G.; MANDUSHEV, GEORGI I.; FORBES, DOUGLAS
    Galactic clusters with associated Cepheid variables.
    4: C2128+488 (Anon. Platais) and V1726 Cygni
19  1994AJ....107.2101S    06/1994
    SAURER, W.; SEEBERGER, R.; WEINBERGER, R.; ZIENER, R.
    Berkeley 93: A distant star cluster nestled
    in a dust cloud
    [See Appendix - P 2106.]
20  1995A&A...300..726O    08/1995
    ORTOLANI, S.; BICA, E.; BARBUY, B.
    BH 176 and AM-2: globular or open clusters?
21  1997AN....318..253K    00/1997
    KHARCHENKO, N.;  ANDRUK, V.; SCHILBACH, E.
    Schmidt survey in the Galactic anticentre direction.
    1. Investigation of open clusters
22  1997AJ....113..729L    02/1997
    LEE, MYUNG GYOON
    UBVI CCD Photometry of the Remote Old Open Cluster AM-2
-------------------------------------------------------------
 Table 4 - Loden discoveries not in Lund cat.
-------------------------------------------------------------
 Desig          Coord(2000.0)  Cns   Ref
-------------------------------------------------------------
 Loden 1        100503-55484   Vel    3   
 Loden 28       10032 -5809    Car    4
 Loden 46       1023  -54.8    Vel    2
 Loden 89       10292 -5647    Vel    1
 Loden 172      102827-60402   Car    1
 Loden 189      1050  -56.4    Vel    1
 Loden 213      103614-61508   Car    3
 Loden 306      110608-61059   Car    3
 Loden 402      113252-60425   Cen    3
 Loden 481      115147-61216   Cen    1
 Loden 624      1227  -61.7    Cru    2
 Loden 682      124717-60393   Cru    3
 Loden 694      125301-60462   Cru    3 
 Loden 733                            2
 Loden 821      132421-59439   Cen    3
 Loden 915      13341 -5915    Cen    4
 Loden 995      135441-64569   Cir    1
 Loden 1378     143023-58150   Cen    1
 Loden 2045     151024-58473   Cir    1
 Loden 2104                           1
 Loden 2115     15077 -5430    Lup    2 
 Loden 2158     15350 -5816    Nor    2 
 Loden 2159     153339-58092   Nor    3
 Loden 2313     154049-52263   Nor    3
 Bibliographical references :
1  1977L3 C = 1979A&AS...38..355L
   LODEN L.O.
   Continued studies of loose clusterings in the Southern Milky Way
   UBV for 325 stars possibly belonging to 11 poor clusters or
   associations
2  1979A&AS...36...83L    04/1979
   LODEN, L. O.
   Photometry of loose clusterings in the Southern Milky Way
3  1980A&AS...41..173L    08/1980
   LODEN, L. O.
   Concluding observations of loose stellar clusterings
   in the southern Milky Way
4  1981A&AS...44..155L    04/1981
   LODEN, L. O.
   A photometric study of two stellar clusterings in the
   Southern Milky Way and a general consideration on previous
   and present data concerning galactic clusterings
Brent Archinal comment :
 "...my guess is that many of these objects
  were too loose to be considered "clusters" by Lynga.
  It's also possible that Lynga just somehow missed them
  since he apparently started his catalogue work about the
  time these papers were published. ..."
------------------------------------------------------------------------
 Table 5 - B. Achinal and B. Skiff discoveries
------------------------------------------------------------------------
 Desig       Coord(2000.0)        Cns    Comments
------------------------------------------------------------------------
 Skiff      06 14 48.3 +12 52 25  Ori    Diam-3.5'; N*=50; Nr NGC 2194
 Archinal 1 18 54 49.4 +05 32 56  SerCd  Diam=1.5'; N*=24; Br*=13.4(GSC)
------------------------------------------------------------------------
------------------------------------------------------------------------
 Table 6 - My own discoveries
------------------------------------------------------------------------
  Group              Cons  Coordinates(J2000.0)    Dia       N*     
  Comments and Estimated Tr Type
------------------------------------------------------------------------
Alessi J03091+2420   Ari   03 09 04.4 +24 20 19    8-8.5'    20
Includes obscure Double star Pou 248. "Ideogram cluster" III1p
Alessi J0542 -1532   Lep   05 42      -15 32
Alessi J0551 -1214   Lep   05 51      -12 14
Alessi J06016+3531   Aur   06 01.6    +35 31       3.0'     ~40
Loose, little gr. Chain of st in an empty area. Like an abs hole. IV2p
Alessi J06305+0944   Mon   06 30 26.6 +09 44 28    1.4'      13:
Very small, compact cluster of pB stars. I1p  Near Cr 95
Alessi J06431+0140   Mon   06 43 03.9 +01 40 19    0.9'      15
Very small, compact cluster of vF stars. I1p  Near Do 24
Alessi J06595-1027   Mon   06 59 29.9 -10 27 10    7'        25
Group of B stars. ESO-like.  III2p
Alessi J07024-6535   Vol   07 02.4    -65 35       5'        13
Losangle of four B stars + 9 Fainter ones nearby. III1p
Alessi J07025-0109   Mon   07 02.5    -01 09       7'        45
Loose, scattered, but distinctive group of stars.  IV2p
Alessi J07354-1505   Pup   07 35.4    -15 05       2.5'
Czernik-like cluster.  IV2p
Alessi J07372-2623   Pup   07 37 10.9 -26 23 23    0.9'      16:
Very Small, compact. Near Ru 27   I1p
Alessi J08122-2221   Pup   08 12.2    -22 21      ~2'       ~10
Associated(???) to diffuse nebula BBW 117 ( BRAN 117 )  IV1p
Alessi J08142-1434   Pup   08 14 09.0 -14 33 41    7'x3.5'   22
Elongated N-S group of B stars. Easy. ESO-like III1p or III2p
Alessi J08145-5806   Car   08 14.5    -58 06      ~4'       ~13
Loose. Near Anon J08154-5808 IV2p
Alessi J08154-5808   Car   08 15 21.7 -58 07 56    4.1'      18
Poor, but fairly compact and well detached one. III1p
Alessi J08180-3938   Pup   08 18.0    -39 38      ~6'        13
Poor S-shaped group of B stars. Easy  III1p
Alessi J08559-5907   Car   08 55 55.4 -59 06 52    3.7'      35:
Loose, but detached cl. ESO-like. III or IV2p
Alessi J10583-8312   Oct   10 58.3    -83 12      ~2.5'       8
Very poor group (asterism) of B stars III2p
Alessi J1105 -3158   Hya   11 05      -31 58                  8-9
Poor, but distinct C-shaped group of B stars  III1p
Alessi J12130-6242   Cru   12 13 02   -62 42.4     0.8'       ? 
VS, eF cl of eeF st in VR MW fd. Res SSWZ94-4. Just E of NGC4184(Ru 102)
Alessi J15149-5629   Cir   15 14 50.2 -56 29 38    6.5'x3'   30
Elongated N-S group. ESO-like IV1p
Alessi J15210-8333   Oct   15 21.0    -83 33      ~6'       ~18
Loose, triangular group. Some anonymous nebulosity (!!!) south?  IV1p
Alessi J17052-4751   Ara   17 05.2    -47 51       6'        26
Loose triangular group in rich field ( just n of Harvard 13 ) IV1p
Alessi J1753 -275    Sgr   17 53      -27.5        1.5'      19:
Small Ruprecht-like group. S of Czernik 37 
Alessi J18124-1523   SerCd  18 12.4   -15 23       4'        30
Fine group. II3p Possibly an absorption hole
Alessi J18169-5932   Pav    18 16.9   -59 32      ~5.5'      18 
Curved group of B stars surr vB star  III3p
Alessi J18471-5950   Pav    18 47.1   -59 50      ~0.4'       8:
Unknown multiple star? Not in WDS96
Alessi J18479-5946   Pav    18 47.9   -59 46       2.0'      15
Loose, small group of pF stars IV1p
Alessi J19102+0509   Aql    19 10.2   +05 09       4.4'     ~25
Loose, poor but detached. I rich MW field. Typical III1p. Ruprecht-like
Alessi J19108+1312   Aql    19 10.8   +13 12       1.7:'    ~12
Small, elongated E-W group. Near OC Berk 82 In very rich MW field. III1p
Alessi J20046-1031   Aql    20 04.6   -10 31       20:'   ~20
Has fairly similar PMs( ACT, PPM ). Appears in Uranometr. Large. IV2p
------------------------------------------------------------------------ 
Cz-like or Ru-like  :  small, loose groups.
                       Like some Ru and Cz clusters
ESO-like            :  well detached cluster of B stars. Like a
                       miniature, compact constellation
I hope you enjoy this information.
Regards
          Bruno Sampaio Alessi - brunosan@joinnet.com.br
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