ASTROMETRIC_CAT: acrs 1950 ZERO_PT_CORR: +0.0 +12.0 INITIAL_ROTATION: -0.363 NUM_CAL_STARS: 253 FIELD_CENTER_PLATE: 170813.60 175714.97 FIELD_CENTER_SKY: 21:18:27.00 -29:40:57.0 RA_RMS: 0.496 DEC_RMS: 0.573 dX: 1.2378665e+02 X|x: 4.1687486e-16 X|y: -4.1611959e-04 X|xr2: 4.1687486e-16 dY: -5.7188356e+01 Y|x: 4.7154539e-04 Y|y: 3.9700151e-16 Y|yr2: 3.9700151e-16