Please load a source file with the following format:
SOURCE EQ 2000 COORDINATES LSR or Z VALUES !COMMENTS
Example:
W33A EQ 2000.0 18:14:39.4 -17:52:00 LSR 3.8 !protostar
W33A EQ 2000.0 18:14:39.4 -17:52:00
IMPORTANT: If there is neither VLSR nor redshift values (put 0), no correction is applied.