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    PR # 31521                                                                   
     A low surface brightness, extended, soft X-ray source has recently  b       
     een discovered with ROSAT. We believe the object is in all likelihood       
      an uncatalogued galactic supernova remnant of a new type which shows       
      low radio emission. The excellent spectral response of ASCA will  cl       
     early identify the nature of the X-ray emission and enable the  analy       
     sis of several hotspots which appear to be embedded in the wider  X-r       
     ay halo. We request a 30 ks observation (which will complement the pr       
     eviously accepted pointing) in order to determine the spectral proper       
     ties of the entire object.                                                  
                                                                                 
                                                                                 
                                                                                 
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