HEADER command

At any time during an ASTRO session, the HEADER command can be used to check the current time and observatory that have been selected. The output of the command also give sun-related information (sun rise, sun set, twilight times).

  UTC :    19-SEP-2007   02:18:59.998
  UT1 :    19-SEP-2007   02:18:59.698    D_UT1 :     -0.300
  TDT :    19-SEP-2007   02:20:05.182    D_TDT :     65.184
  Julian date :          2454362.60
  LST :        02:33:06.1453
  
  OBS :    BURE   05:54:28.500   44:38:02.000
  Alt.:    2.560 km     Sun Avoidance:    45.0 deg.
  
  SunRise/Set :      05:23:47.980   17:37:02.472
  Twilight              Start          End
  Civil :            18:10:55.799   04:49:54.653
  Nautical :         18:45:21.460   04:15:28.992
  Astronomical :     19:20:49.604   03:40:00.848