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: J2000.00000…