Time Instrument getclock    Az         Alt        Rot       Scale
------------------------------------------------------------------------------
21:47  2  634  998884049  -0.000347   0.000829   0.006365  0.999890  
21:50  2  634  998884227  -0.000347   0.000829   0.006365  0.999890  
23:32  9  644  998890367  -0.001016   0.000889   0.016784  1.000020  
02:00  6  656  998899241   0.000452   0.000730   0.002370  0.999890  
04:20  3  666  998907621  -0.000906  -0.000661   0.028317  0.999910