produces the following in the file
test.fts.usa1:
IMAGE test.fts
CATALOG USNO SA-1.0
RASORT T
EQUINOX 2000.0
PROGRAM imusa1 2.5, 8 December 1998, Doug Mink, SAO
usa1_id ra dec magb magr x y plate dist
---------- -------- --------- ---- ----- ----- ----- ----- ----
1575.00497895 09:54:14.195 +69:01:03.47 16.9 15.7 986.4 472.3 38 338.27
1575.00497904 09:54:15.212 +68:57:57.88 15.4 14.5 980.7 210.6 38 395.44
1575.00497905 09:54:15.255 +69:01:57.34 18.5 17.5 977.8 548.2 38 332.10
1575.00497923 09:54:16.428 +69:02:34.65 19.6 18.7 968.5 600.8 38 330.65
1575.00497980 09:54:22.344 +69:04:47.03 20.9 19.3 922.4 787.1 38 351.37
. . .
1575.00499426 09:56:19.291 +69:02:42.14 18.5 17.8 39.1 608.1 38 341.69
1575.00499431 09:56:19.689 +69:04:24.94 18.0 17.1 36.2 753.0 38 377.97
1575.00499467 09:56:22.573 +68:56:16.84 19.2 18.6 13.8 64.8 38 473.81
1575.00499483 09:56:23.980 +68:58:18.89 20.0 17.7 3.2 236.9 38 409.22
1575.00499484 09:56:24.051 +69:06:01.53 17.4 16.8 3.3 889.2 38 448.97