PDS_VERSION_ID = PDS3                                                         
                                                                              
RECORD_TYPE    = "STREAM"                                                     
                                                                              
OBJECT     = TEXT                                                             
  PUBLICATION_DATE = 2006-10-23                                               
  NOTE             = "AAREADME.TXT File"                                      
END_OBJECT = TEXT                                                             
END                                                                           
                                                                              
This volume contains Version 2 of the International Halley Watch (IHW)        
Near Nucleus Studies Network (NNSN) image data. These data have been          
upgraded to current standards, reformatted for contemporary use and           
have had known errata corrected as far as possible.  Data files are           
organized by year and month.                                                  
                                                                              
========================                                                      
                                                                              
23 October 2006, A.C.Raugh                                                    
revised 22 August 2018, M.S.P. Kelley