分点変換

ecl> skyctran STDIN STDOUT b1950.0 J2000.0

# Insystem: b1950.0  Coordinates: equatorial FK4
#     Equinox: B1950.000 Epoch: B1950.00000000 MJD: 33281.92346
# Outsystem: J2000.0  Coordinates: equatorial FK5
#     Equinox: J2000.000 Epoch: J2000.00000000 MJD: 51544.50000

# Input file: STDIN  Output file: STDOUT

23:13:38.2 -02:06:58
23:13:38.2 -02:06:58 23:16:12.421  -1:50:35.02

詳しくは help skyctran