TABLE 1                                                                         
*******                                                                         
                                                                                
DEFINITION OF THE CODED NUMBERING SYSTEM                                        
                                                                                
                                                                                
DURCHMUSTERUNG                                                                  
                                                                                
-0.XAABBBBB   CPD   SOUTH OF -52 %1875<                                         
                                                                                
-0.XAABBBBB   COD   NORTH OF -52 %1875<                                         
                                                                                
-0.XAABBBBB   BD    NORTH OF -23 %1855<                                         
                                                                                
+0.XAABBBBB   BD    NORTHERN HEMISPHERE                                         
                                                                                
              AA # DECLINATION ZONE, BBBBB # STAR NUMBER                        
              X # 1, 2, ETC, FOR FIRST, SECOND, ETC, COMPONANT                  
              OF VISUAL MULTIPLE STARS HAVING ONLY ONE DM NUMBER                
                                                                                
                                                                                
HD AND HDE CATALOGUES                                                           
                                                                                
+1.X0BBBBBB   HD AND HDE                                                        
                                                                                
              BBBBBB # HD- OR HDE NUMBER                                        
              X # 1, 2, ETC, FOR FIRST, SECOND, ETC, COMPONANT                  
              OF VISUAL MULTIPLE STARS HAVING ONLY ONE HD NUMBER                
                                                                                
                                                                                
OPEN AND GLOBULAR CLUSTERS                                                      
                                                                                
+2.XXXXBBBB   NGC CLUSTERS                                                      
                                                                                
              XXXX # NGC OR IC NUMBER, BBBB # STAR NUMBER                       
              ACCORDING TO AUTHORS QUOTED IN THE REFERENCE                      
              LIST IN TABLES 5 AND 6                                            
                                                                                
+5.AXXXBBBB   CLUSTERS WITHOUT NGC OR IC IDENTIFICATION                         
              FOR LISTS CONTAINING MORE THAN 100 CLUSTERS                       
                                                                                
              A # CODE FOR NAME, ACCORDING TO TABLE 2B                          
              XXX # CLUSTER NUMBER ACCORDING TO THE NAME                        
                                                                                
              BBBB # STAR NUMBER ACCORDING TO AUTHOR QUOTED                     
              IN THE REFERENCES LIST IN TABLES 7A AND 7B                        
                                                                                
                                                                                
VARIOUS CATALOGUES AND LISTS OF STARS                                           
                                                                                
+6.0AABBBBB   CATALOGUES CONTAINING MORE THAN 10000 STARS                       
                                                                                
+6.1AAABBBB   CATALOGUES CONTAINING MORE THAN 1000 STARS                        
                                                                                
                                                                                
MISCELLANOUS LISTS                                                              
                                                                                
                                                                                
+9.8AXXXBBB   STARS FROM LISTS OF GICLAS                                        
                                                                                
              A # CATALOGUE IDENTIFICATION %TABLE 11<                           
              XXX # CHART NUMBER, BBB # STAR NUMBER                             
                                                                                
                                                                                
                                                                                
TABLE 2B                                                                        
********                                                                        
                                                                                
NAME CODE FOR CLUSTERS IDENTIFICATION                                           
                                                                                
+5.AXXXBBBB                                                                     
                                                                                
               +5.2     MELOTTE                                                 
                                                                                
                                                                                
                                                                                
TABLE 4                                                                         
*******                                                                         
                                                                                
CODE OF SOME USUAL NUMBERING SYSTEMS                                            
                                                                                
+5.2XXXBBBB                                                                     
               +5.2020  ALPHA PERSEI CLUSTER                                    
               +5.2025  HYADES                                                  
                                                                                
+6.0AABBBBB                                                                     
               +6.001  LUYTEN LTT NUMBERS                                       
                                                                                
+6.1AAABBBB                                                                     
               +6.1001  GLIESE CATALOGUE OF NEARBY STARS                        
               +6.1002  WOLLEY CATALOGUE                                        
               +6.1006  GICLAS GD NUMBERS                                       
                                                                                
+9.8AXXXBBB                                                                     
               +9.80  G-NUMBERED STARS                                          
                                                                                
                                                                                
                                                                                
                                                                                
TABLE 5                                                                         
*******                                                                         
                                                                                
REFERENCES FOR THE NUMEROTATION OF NGC CLUSTERS                                 
                                                                                
+2.2632BBBB   KLEIN-WASSINK W.J. 1927, PUBL.KAPTEYN ASTR.LAB. 41                
              VANDERLINDEN H.L. 1933, ETUDE DE L AMAS DE PRAESEPE.              
              J. DUCLOT, GEMBLOUX %BELGIQUE<. NO VL+1000                        
+2.2682BBBB   FAGERHOLM E. 1906, UPPSALA DISSERTATION                           
              MURRAY C.A., AND AL. 1965, R.O.B. NO 91, NO+400                   
              FOR EGGEN-SANDAGE STARS IN TABLE 2                                
                                                                                
                                                                                
                                                                                
                                                                                
TABLE 7B                                                                        
********                                                                        
                                                                                
REFERENCES FOR THE NUMEROTATION OF CLUSTERS WITHOUT NGC OR IC NUMBER            
                                                                                
+5.2020BBBB   HECKMANN O., AND AL. 1956, MITT.HAMB.ST.BERG. NO 101              
+5.2025BBBB   VAN BUEREN H.G. 1952, BULL.ASTR.INST.NETHERL.11,385               
              VAN ALTENA W.F. 1966, A.J. 71,482  NO VAN ALT.+1000               
                                                                                
                                                                                
                                                                                
                                                                                
TABLE 8                                                                         
*******                                                                         
                                                                                
REFERENCES FOR CATALOGUES AND LISTS                                             
                                                                                
+6.001BBBBB   LUYTEN W.J. 1957, A CATALOGUE OF  9867 STARS IN THE               
              SOUTHERN HEMISPHERE WITH PROPER MOTION EXCEEDING 0.2              
              ANNUALLY. LUND PRESS, MINNEAPOLIS %MINNESOTA<                     
              LUYTEN W.J. 1961, A CATALOGUE OF 7127 STARS IN THE                
              NORTHERN HEMISPHERE WITH PROPER MOTION EXCEEDING 0.2              
              ANNUALLY. THE LUND PRESS, MINNEAPOLIS %MINNESOTA<                 
              LUYTEN W.J. 1962, FIRST SUPPLEMENT TO THE LTT                     
              CATALOGUES. THE OBS,UNIV. MINNESOTA                               
                                                                                
                                                                                
+6.1001BBBB   GLIESE W. 1969, CATALOGUE OF NEARBY STARS                         
              VEROEFF. HEIDELBERG NO 22                                         
+6.1002BBBB   WOOLLEY R., AND AL. 1970, ROY.OBS.ANN. NO 5                       
+6.1006BBBB   GICLAS H.L., AND AL. 1965, LOWELL OBS.BULL. NO 125                
                                   1967, LOWELL OBS.BULL. NO 141                
                                   1970, LOWELL OBS.BULL. NO 153                
                                   1972, LOWELL OBS.BULL. NO 158                
                                   1973, LOWELL OBS.BULL. NO 160                
                                                                                
                                                                                
                                                                                
                                                                                
TABLE 11                                                                        
********                                                                        
                                                                                
REFERENCES FOR VARIOUS REGIONS                                                  
                                                                                
+9.80XXXBBB   GICLAS H.L., BURNHAM R., THOMAS N.G.                              
              1971, LOWELL OBS. FLAGSTAFF                                       
              LOWELL PROPER MOTION SURVEY %NORTHERN HEMISPHERE<                 
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
COMPLETE LIST OF THE NUMBERING SYSTEM AND REFERENCES ARE AVAILABLE              
AT THE STELLAR DATA CENTER, THE SAME HOLDS FOR TRANSIT TABLES FOR               
THE NUMBERS OF CLUSTER STARS