Time Cart Plate getclock    Az         Alt        Rot       Scale
21:18   2  634  998968690   0.000068   0.001982   0.011646  1.000000
23:03   9  644  998974988  -0.000899  -0.000016   0.018786  1.000000  
04:13   3  666  998993597  -0.000998  -0.000265   0.027669  0.999950  
04:23   3  666  998994212  -0.000998  -0.000265   0.027669  0.999890