           Neither special nor general relativistic effects are 
               accounted for in the aberration corrections applied 
               by this routine. 
 
               Case and blanks are not significant in the string 
               'abcorr'. 
 
   obs         is the name of an observing body.  Optionally, you may 
               supply the ID code of the object as an integer string. 
               For example, both &quot;EARTH&quot; and &quot;399&quot; are legitimate 
               string