A n g l e s 1 5 O b s e r v a t i o n s B S S t a O c c S t a F S S t a A n g l e S t E r r S e c 5 1 2 1 0 9 1 9 1 3 5 7 7 1 2 6 1 9 0 3 2 0 6 0 2 6 2 1 2 3 0 9 6 0 3 5 2 0 7 3 2 3 4 1 2 4 0 3 5 3 0 7 8 2 3 2 0 1 8 5 2 3 5 6 0 1 2 8 3 2 0 2 1 1 8 0 1 5 2 6 0 1 7 6 2 0 2 1 2 2 1 8 3 2 6 4 5 0 3 1 2 3 4 5 0 9 3 0 2 1 1 5 7 5 4 5 1 0 0 3 9 2 6 4 0 0 1 0 4 5 1 0 1 1 2 4 1 5 6 2 9 0 1 5 6 5 1 0 C h a p t e r 1 C G S u r v e y 6 5 5