Lynga catalogue

 Field                          Data

 Cluster number (IAU)          C1851-013
 Old Cluster                   Berkeley
 notation                      80
 OCL number/Lund number        87   871
 Right ascension (1950.0)      18 51.9
 Declination (1950.0)          -1 19
 10 year prec. RA/Dec          .52   .8
 Galactic longitude            32.16
 Galactic latitude             -1.25
 Sky survey                    POSS
 Chart type and number         O  193
 Centre of chart (RA,Dec)      18 48     
 Pos. on chart x,y mm          187    97
 Tr. cl. (ref. 19/320=a/b)     II 1 p  :b
 Membership (320)              20
 Angular diameter (320)        3.0
 Selected angular diameter     4.0 ( 419)
 Distance, weight              
 Distance, reference           
 E(B-V), v=var.                
 Turn-off col.,weight (jdl)    
 Derived log(age)              
 log(age), reference           
 Fe/H (jdl)                    
 Radial velocity, weight       
 References                    
 used by                       
 Janes, Duke                   
 and Lynga (jdl)               
 Number of member              
 stars with                    
 peculiar                      
 spectral                      
 types                         
 References for                
 peculiar                      
  stars                        
 Total V magnitude             
 Integrated B-V (422)          
 Number of obs. stars (422)    
 Richness class (265)          
 Earliest sp. cl. (50,37)      
 Mag of brightest star (50)    15.0
 Galactic R and z              
 Linear diameter               
 Comment