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    PR # 32145                                                                   
     The spiral galaxy NGC 6946 contains an extremely luminous (10**39           
     ergs/s) supernova remnant discovered in a ROSAT PSPC observation.           
     This remnant is apparently quite old (approximately 1000 years),            
     based upon optical spectra.  Only three other remnants are known that       
     show the high X-ray luminosity; the other three are considerably            
     younger.  We propose to observe this unique remnant with the ASCA           
     instruments.  A PV pointing obtained insufficient counts for a              
     reliable spectrum.                                                          
                                                                                 
                                                                                 
                                                                                 
                                                                                 
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