{
  "TCTYP_X": "RA---TAN",
  "TCTYP_Y": "DEC--TAN",
  "TCRPX_X": 640.5,
  "TCRPX_Y": 640.5,
  "TCRVL_X": 190.807236,
  "TCRVL_Y": 13.307371,
  "TCDLT_X": -0.000442,
  "TCDLT_Y": 0.000442,
  "TCUNI_X": null,
  "TCUNI_Y": null,
  "RA_PNT": 190.862183,
  "DEC_PNT": 13.286472,
  "TSTART": 188340611.4577418,
  "TSTOP": 188383843.4577418,
  "OBJECT": "NGC4639",
  "OBSERVER": "PROF HAJIME INOUE",
  "DATE-OBS": "1998-12-20",
  "DATE-END": "1998-12-21"
}