An interactive method for picking gc and wf stars that will survive the trajectory_offset procedure for "beam-switching" the LRS2.

 

% lrs2stars --help 

% lrs2stars 
Usage: lrs2stars 18-1 273 E RB
arg1 - catalog (18-1,spc,tell,f14)  
arg2 - index number of target (in htop)  
arg3 - observe east (E) or west (W) of meridian  
arg4 - setup order (RB or BR)