It is important that this inclination stays constant, and it can be adjusted to be {TAIL ~ less than one tenth} of {HEAD ~ one second} of arc if so desired 
It is important that this inclination stays constant , and it can be adjusted to be { TAIL ~ less than one tenth } of { HEAD ~ one second } of arc if so desired
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH