This Starbase-format file is produced by imstar from a Digitized Sky Survey image using the command
$ imstar -vhi 7000 i17h.dss.fitswhich writes the file i17h.dss.fits.stars:
IMAGE i17h.dss.fits EQUINOX 2000.0 PROGRAM IMSTAR 1.1, 1 September 1996, Doug Mink, SAO ID RA DEC MAG X Y COUNTS PEAK --- ------------ ------------ ------ ----- ----- -------- ------ 1 5:47:58.607 -25:12:55.88 0.00 72.3 157.9 51459.0 17774 2 5:47:50.522 -25:14:22.51 0.06 136.2 106.2 48587.4 15964 3 5:47:53.997 -25:15:01.38 0.36 108.2 83.6 37072.0 15145 4 5:47:46.429 -25:15:18.17 0.41 168.5 73.0 35236.9 18330 5 5:47:52.001 -25:15:36.11 0.52 123.9 63.0 31781.8 15609 6 5:48:00.642 -25:13:02.68 0.59 56.0 154.1 29928.1 12247 7 5:47:52.479 -25:16:56.13 0.65 119.5 16.0 28302.3 15387 8 5:47:50.409 -25:16:28.10 0.78 136.2 32.3 25112.0 9935 9 5:48:03.220 -25:13:24.94 0.79 35.3 141.3 24962.2 10607 10 5:47:58.646 -25:15:45.38 0.87 70.8 58.2 23144.1 12751 11 5:48:05.325 -25:16:23.70 0.98 17.2 36.3 20826.4 9229 12 5:47:58.643 -25:14:19.19 1.17 71.4 108.9 17558.2 9927 13 5:47:58.052 -25:14:40.84 1.19 76.0 96.1 17171.5 11138 14 5:47:55.692 -25:14:11.65 1.21 95.1 113.1 16888.2 11456 15 5:48:00.874 -25:13:48.63 1.38 53.9 127.1 14404.8 11403 16 5:47:49.342 -25:13:14.75 1.40 146.2 145.9 14110.4 10733 17 5:48:02.699 -25:14:36.45 1.58 38.9 99.2 11956.0 9456 18 5:47:50.736 -25:14:00.49 1.78 134.7 119.1 9960.7 9046 19 5:48:04.903 -25:14:59.10 1.79 21.2 86.0 9933.4 7641 20 5:47:56.320 -25:16:41.41 1.88 89.0 25.0 9117.4 8417 21 5:48:03.271 -25:15:33.30 1.97 34.0 65.8 8408.6 8622 22 5:48:06.261 -25:13:42.73 2.07 10.9 131.1 7614.4 7696 23 5:48:01.318 -25:16:54.33 2.29 49.0 17.9 6218.1 7446 24 5:48:02.642 -25:14:01.79 2.45 39.6 119.5 5367.3 9605 25 5:47:49.058 -25:16:45.73 2.72 146.9 21.8 4219.2 7446