1. SS 433
   
   RA= 19 11 49.5
   DEC= +01 58 58.0
 
   Count rate = 0.55
   1st order  = 0.36
 
   Phase Dependence: Y
             Epoch : 49578
             Period: 163
             Max   : 0.45+/-0.05
             Min   : 0.55+/-0.05
 
  Remarks:
  We need to exclude orbital phases within 0.17  of the eclipse, which has is ce
ntered
  at MJD-49595.75 with a period of 13.0820 (Maximum allowed orbital phase = 0.90
+/-0.05,
  Minimum phase = 0.10+/-0.05) 
 
  [dd: Some roll constraint as well?]