{
  "TCTYP_X": "RA---TAN",
  "TCTYP_Y": "DEC--TAN",
  "TCRPX_X": 640.5,
  "TCRPX_Y": 640.5,
  "TCRVL_X": 190.794006,
  "TCRVL_Y": 13.3008,
  "TCDLT_X": -0.000442,
  "TCDLT_Y": 0.000442,
  "TCUNI_X": null,
  "TCUNI_Y": null,
  "RA_PNT": 190.817581,
  "DEC_PNT": 13.310568,
  "TSTART": 156534632.0041123,
  "TSTOP": 156616872.0041123,
  "OBJECT": "NGC_4639_N1",
  "OBSERVER": "DR. LUIS C. HO",
  "DATE-OBS": "1997-12-17",
  "DATE-END": "1997-12-18"
}