This is the output from imwcs run in verbose mode (-v):
$ imwcs -vwd testx90m.sex -c uac -h 50 testx90m.fit
IMWCS 1.7.1, 7 November 1997, Doug Mink, SAO
Set World Coordinate System in FITS image file testx90m.fit
UACREAD: RA: 16:15:25.101 - 16:16:17.193 Dec: +31:18:02.95 - +31:29:09.94
UACZONES: 1 zones: 1200 - 1200
UACZONES: RA: 243.85459 - 244.07164, Dec: 31.30082 - 31.48610
UACREAD: 1 zone: 128 / 5530 found
UACREAD: 128 stars found; only 50 returned
Bin history (ns=50 ng=50 tol= 10 minbin=2):
33 bins at dx=-112 dy=139
33 bins at dx=-113 dy=140
33 bins at dx=-108 dy=141
33 bins at dx=-110 dy=137
33 bins at dx=-112 dy=140
33 bins at dx=-110 dy=138
33 bins at dx=-114 dy=135
33 bins at dx=-113 dy=137
33 bins at dx=-114 dy=136
27 bins at dx=-107 dy=144
4 bins at dx=130 dy=26
2 bins at dx=161 dy=-141
2 bins at dx=-425 dy=-598
2 bins at dx=-556 dy=-420
Broad peak of 33 bins at dx=-113 dy=139
Search at 16:15:51.147 +31:23:36.44 J2000 +- 0:00:26.046 +00:05:33.50
Image width=1024 height=1024, 0.651364 arcsec/pixel
using all 50 reference stars
uac:
1200.07879689 16:15:57.440 +31:18:38.40 12.30 390.6 54.3
1200.07878827 16:15:55.866 +31:19:58.60 13.30 421.0 177.4
1200.07879414 16:15:49.349 +31:26:42.45 13.30 545.8 797.5
1200.07879180 16:15:45.499 +31:27:49.00 13.50 620.9 899.9
1200.07879302 16:16:12.243 +31:29:04.45 13.60 95.6 1013.1
1200.07879769 16:16:08.370 +31:26:15.49 13.70 172.7 754.3
1200.07879831 16:15:34.871 +31:24:43.75 13.90 831.0 617.0
1200.07880551 16:15:41.483 +31:26:37.85 14.20 700.3 791.2
1200.07880094 16:15:37.300 +31:23:52.10 14.20 783.8 537.5
1200.07879279 16:15:52.991 +31:25:15.22 14.50 475.0 663.3
1200.07878815 16:16:10.943 +31:21:42.33 14.60 124.0 335.1
1200.07879303 16:16:00.483 +31:18:48.88 14.70 330.8 70.1
1200.07878834 16:15:52.077 +31:27:54.45 15.20 491.7 907.6
1200.07879633 16:15:32.963 +31:25:03.51 15.20 868.3 647.5
1200.07880897 16:15:58.557 +31:18:42.46 15.20 368.7 60.4
1200.07878871 16:15:25.785 +31:28:32.03 15.20 1007.3 968.1
1200.07878899 16:15:25.997 +31:20:00.81 15.20 1007.9 184.0
1200.07879213 16:15:28.652 +31:21:27.30 15.40 954.9 316.4
1200.07880277 16:15:38.989 +31:22:08.84 15.60 751.5 378.9
1200.07880774 16:16:13.700 +31:28:08.97 15.70 67.3 927.9
1200.07880125 16:15:50.141 +31:19:17.31 15.80 533.8 114.7
1200.07880794 16:15:55.841 +31:27:30.14 16.10 418.1 870.0
1200.07879957 16:16:16.047 +31:28:49.85 16.10 21.0 990.4
1200.07880393 16:15:39.989 +31:28:02.95 16.10 728.9 921.9
1200.07878988 16:15:50.914 +31:19:00.20 16.20 518.7 88.3
1200.07880180 16:16:09.431 +31:19:56.04 16.20 154.4 172.3
1200.07879013 16:16:11.359 +31:20:30.88 16.30 116.3 225.5
1200.07880522 16:16:10.818 +31:19:53.85 16.30 127.2 168.8
1200.07880175 16:16:12.619 +31:21:16.75 16.30 91.3 295.8
1200.07879228 16:15:28.805 +31:25:22.02 16.40 949.8 676.3
1200.07880904 16:16:09.496 +31:23:50.68 16.40 151.6 532.1
1200.07880082 16:16:16.230 +31:18:51.67 16.50 21.2 73.0
1200.07880210 16:15:38.273 +31:25:54.87 16.50 763.6 725.7
1200.07879701 16:15:33.597 +31:26:14.52 16.50 855.2 756.3
1200.07880886 16:16:14.084 +31:22:10.91 16.60 62.1 378.7
1200.07880205 16:16:09.503 +31:27:10.42 16.60 150.1 838.5
1200.07880753 16:15:50.321 +31:19:35.03 16.60 530.1 141.8
1200.07880435 16:16:00.937 +31:24:50.57 16.60 319.2 624.7
1200.07879912 16:15:49.584 +31:23:50.70 16.80 542.6 534.0
1200.07878931 16:15:47.951 +31:20:34.80 16.80 576.2 233.7
1200.07879533 16:16:00.378 +31:25:42.02 16.80 329.8 703.7
1200.07880609 16:15:57.463 +31:21:15.87 16.80 389.0 295.8
1200.07879200 16:15:28.595 +31:25:27.01 16.80 953.9 684.0
1200.07880690 16:15:45.387 +31:22:58.13 16.90 625.4 453.8
1200.07878922 16:15:26.165 +31:21:40.35 16.90 1003.7 336.7
1200.07880135 16:15:53.377 +31:24:58.88 16.90 467.6 638.2
1200.07878933 16:15:26.249 +31:26:58.64 17.00 999.1 824.8
1200.07879331 16:15:55.930 +31:27:20.41 17.00 416.4 855.0
1200.07879233 16:15:28.885 +31:24:03.56 17.00 948.9 556.0
1200.07880343 16:15:39.574 +31:24:50.11 17.10 738.6 626.2
using brightest 50 / 50 reference stars
using brightest 50 / 100 image stars
1 16:15:43.530 +31:25:13.08 12.30 660.8 661.0 -1448
2 16:15:39.626 +31:26:19.61 12.33 736.9 763.5 -1445
3 16:15:28.203 +31:28:38.73 12.42 959.8 978.1 -1436
4 16:16:02.757 +31:24:47.71 12.56 283.5 620.2 -1422
5 16:15:50.420 +31:18:24.25 12.65 528.7 33.2 -1413
6 16:16:06.479 +31:27:25.14 12.82 209.3 861.3 -1396
7 16:15:28.971 +31:23:11.12 12.86 947.7 475.6 -1392
8 16:15:50.508 +31:22:53.96 13.36 524.9 446.9 -1342
9 16:15:31.447 +31:22:19.38 13.52 899.6 395.9 -1326
10 16:15:35.575 +31:25:07.48 13.58 817.0 653.3 -1320
11 16:15:47.238 +31:23:45.57 13.65 588.7 526.4 -1313
12 16:16:15.604 +31:28:04.94 13.69 30.0 921.6 -1309
13 16:16:05.600 +31:20:11.35 13.78 229.6 196.1 -1300
14 16:16:16.250 +31:25:18.64 14.09 18.4 666.5 -1269
15 16:15:27.014 +31:23:31.52 14.16 986.0 507.1 -1262
16 16:15:46.247 +31:26:26.21 14.23 606.9 772.9 -1255
17 16:15:33.182 +31:20:35.36 14.79 866.4 236.2 -1199
18 16:16:08.106 +31:26:42.18 14.94 177.7 795.3 -1184
19 16:15:33.986 +31:26:33.80 15.00 847.4 785.8 -1178
20 16:16:06.040 +31:18:58.41 15.21 221.5 84.2 -1157
21 16:16:10.420 +31:27:23.09 15.35 132.0 857.8 -1143
22 16:16:04.046 +31:18:22.04 15.35 260.9 28.6 -1143
23 16:16:05.455 +31:18:20.28 15.39 233.2 25.7 -1139
24 16:16:01.424 +31:28:09.31 15.47 308.2 929.5 -1131
25 16:16:07.277 +31:19:45.60 15.55 196.8 156.4 -1123
26 16:16:15.206 +31:28:05.50 15.64 37.8 922.5 -1114
27 16:15:47.672 +31:23:27.69 15.65 580.3 498.9 -1113
28 16:16:03.898 +31:25:43.02 15.65 260.7 704.9 -1113
29 16:16:04.013 +31:22:20.80 15.74 259.9 394.8 -1104
30 16:16:08.717 +31:20:39.66 15.79 168.2 239.2 -1099
31 16:16:07.960 +31:28:51.74 15.85 179.7 994.0 -1093
32 16:15:55.324 +31:23:19.92 15.87 430.1 486.2 -1091
33 16:16:13.862 +31:22:58.48 15.89 66.2 451.7 -1089
34 16:15:27.623 +31:24:43.07 15.91 973.4 616.8 -1087
35 16:15:32.359 +31:24:23.89 15.92 880.5 586.8 -1086
36 16:15:54.738 +31:24:12.53 16.01 441.2 567.0 -1077
37 16:15:50.063 +31:26:02.53 16.04 532.1 736.2 -1074
38 16:15:43.846 +31:22:19.25 16.04 656.0 394.4 -1074
39 16:16:11.914 +31:27:50.98 16.17 102.5 900.5 -1061
40 16:15:42.346 +31:19:00.36 16.20 687.1 89.5 -1058
41 16:15:51.947 +31:19:43.30 16.20 498.1 154.3 -1058
42 16:15:39.609 +31:21:26.38 16.22 739.7 313.7 -1056
43 16:15:56.677 +31:28:50.42 16.35 401.0 993.0 -1043
44 16:15:42.782 +31:22:23.61 16.40 676.9 401.2 -1038
45 16:15:31.381 +31:21:08.24 16.49 901.5 286.8 -1029
46 16:15:33.729 +31:23:18.91 16.49 854.2 487.0 -1029
47 16:15:35.828 +31:28:46.01 16.50 810.1 988.4 -1028
48 16:16:01.605 +31:18:17.28 16.54 308.9 21.5 -1024
49 16:15:40.758 +31:19:15.58 16.55 718.2 113.0 -1023
50 16:16:13.885 +31:23:39.64 16.64 65.5 514.8 -1014
Before:
0: 16:13:24.738 +31:32:12.61 del=-0.6520,0.6520 rot=0.000 ( 512.00, 512.00) y=1.55543e+07
1: 16:13:24.521 +31:32:12.61 del=-0.6520,0.6520 rot=0.000 ( 512.00, 512.00) y=1.57478e+07
2: 16:13:24.738 +31:32:15.87 del=-0.6520,0.6520 rot=0.000 ( 512.00, 512.00) y=1.5546e+07
3: 16:13:24.738 +31:32:12.61 del=-0.6716,0.6520 rot=0.000 ( 512.00, 512.00) y=1.47168e+07
4: 16:13:24.738 +31:32:12.61 del=-0.6520,0.6716 rot=0.000 ( 512.00, 512.00) y=1.55593e+07
5: 16:13:24.738 +31:32:12.61 del=-0.6520,0.6520 rot=0.500 ( 512.00, 512.00) y=1.55311e+07
After:
0: 16:13:59.717 +31:32:29.74 del=-0.6443,0.6438 rot=-0.387 ( 512.00, 512.00) y=29.6135
1: 16:13:59.717 +31:32:29.74 del=-0.6443,0.6438 rot=-0.387 ( 512.00, 512.00) y=29.6135
2: 16:13:59.717 +31:32:29.74 del=-0.6443,0.6438 rot=-0.387 ( 512.00, 512.00) y=29.6135
3: 16:13:59.717 +31:32:29.74 del=-0.6443,0.6438 rot=-0.387 ( 512.00, 512.00) y=29.6135
4: 16:13:59.717 +31:32:29.74 del=-0.6443,0.6438 rot=-0.387 ( 512.00, 512.00) y=29.6135
5: 16:13:59.717 +31:32:29.74 del=-0.6443,0.6438 rot=-0.387 ( 512.00, 512.00) y=29.6135
iter=654
cra= 16:13:59.717 cdec= +31:32:29.74 del=-0.6443, 0.6438 rot=-0.3870 ( 512.00, 512.00)
Amoeba:
initial guess:
cra= 16:13:24.738 cdec= +31:32:12.61 del=-0.6520, 0.6520 rot= 0.0000 ( 512.00, 512.00
first solution:
cra= 16:13:59.717 cdec= +31:32:29.74 del=-0.6443, 0.6438 rot=-0.3870 ( 512.00, 512.00)
iter=654
cra= 16:13:59.717 cdec= +31:32:29.74 del=-0.6443, 0.6438 rot=-0.3870 ( 512.00, 512.00)
1: c: 16:15:53.382 +31:24:58.21 i: 16:15:53.382 +31:24:58.21 273.777 -2415.585 2431.050
2: c: 16:15:55.940 +31:19:58.36 i: 16:15:55.940 +31:19:58.36 4005.728 -859.046 4096.805
3: c: 16:15:49.342 +31:26:42.62 i: 16:15:49.342 +31:26:42.62 -396.959 615.957 732.789
4: c: 16:15:45.518 +31:27:48.65 i: 16:15:45.518 +31:27:48.65 1017.860 -1274.104 1630.761
5: c: 16:16:08.334 +31:26:15.93 i: 16:16:08.334 +31:26:15.93 -1945.240 1582.876 2507.878
6: c: 16:15:34.887 +31:24:43.45 i: 16:15:34.887 +31:24:43.45 889.474 -1093.940 1409.918
7: c: 16:15:41.475 +31:26:37.77 i: 16:15:41.475 +31:26:37.77 -387.477 -276.248 475.869
8: c: 16:15:37.308 +31:23:52.14 i: 16:15:37.308 +31:23:52.14 430.930 152.239 457.031
9: c: 16:15:52.962 +31:25:15.90 i: 16:15:52.962 +31:25:15.90 -1610.578 2431.291 2916.357
10: c: 16:16:11.000 +31:21:42.82 i: 16:16:11.000 +31:21:42.82 3096.029 1749.105 3555.948
11: c: 16:15:52.066 +31:27:54.60 i: 16:15:52.066 +31:27:54.60 -572.057 533.161 781.991
12: c: 16:15:32.963 +31:25:03.76 i: 16:15:32.963 +31:25:03.76 -10.998 890.185 890.253
13: c: 16:15:38.968 +31:22:09.29 i: 16:15:38.968 +31:22:09.29 -1128.848 1624.164 1977.930
14: c: 16:16:13.681 +31:28:08.50 i: 16:16:13.681 +31:28:08.50 -1045.517 -1691.398 1988.449
15: c: 16:15:55.826 +31:27:30.88 i: 16:15:55.826 +31:27:30.88 -791.796 2680.143 2794.657
16: c: 16:16:15.990 +31:28:48.69 i: 16:16:15.990 +31:28:48.69 -3078.575 -4163.194 5177.819
17: c: 16:15:39.951 +31:28:03.13 i: 16:15:39.951 +31:28:03.13 -2091.954 659.269 2193.378
18: c: 16:16:09.407 +31:19:55.02 i: 16:16:09.407 +31:19:55.02 -1308.849 -3672.975 3899.209
19: c: 16:16:11.398 +31:20:30.76 i: 16:16:11.398 +31:20:30.76 2103.576 -435.750 2148.234
20: c: 16:16:10.800 +31:19:53.16 i: 16:16:10.800 +31:19:53.16 -983.879 -2485.925 2673.544
21: c: 16:16:12.645 +31:21:17.25 i: 16:16:12.645 +31:21:17.25 1359.672 1798.767 2254.833
22: c: 16:16:09.500 +31:23:50.77 i: 16:16:09.500 +31:23:50.77 190.057 325.554 376.971
23: c: 16:15:38.275 +31:25:55.01 i: 16:15:38.275 +31:25:55.01 73.589 501.706 507.074
24: c: 16:15:33.603 +31:26:14.35 i: 16:15:33.603 +31:26:14.35 283.087 -618.695 680.384
25: c: 16:16:14.097 +31:22:10.50 i: 16:16:14.097 +31:22:10.50 686.224 -1477.017 1628.644
26: c: 16:16:09.490 +31:27:10.44 i: 16:16:09.490 +31:27:10.44 -697.899 71.243 701.526
27: c: 16:16:00.941 +31:24:49.89 i: 16:16:00.941 +31:24:49.89 218.318 -2464.846 2474.495
28: c: 16:15:49.564 +31:23:50.95 i: 16:15:49.564 +31:23:50.95 -1065.887 910.314 1401.708
29: c: 16:15:47.977 +31:20:34.71 i: 16:15:47.977 +31:20:34.71 1390.291 -322.625 1427.233
30: c: 16:16:00.389 +31:25:41.88 i: 16:16:00.389 +31:25:41.88 607.625 -515.076 796.563
31: c: 16:15:57.491 +31:21:16.28 i: 16:15:57.491 +31:21:16.28 1514.084 1491.698 2125.468
32: c: 16:15:45.348 +31:22:59.11 i: 16:15:45.348 +31:22:59.11 -2137.164 3544.077 4138.593
33: c: 16:15:39.594 +31:24:50.72 i: 16:15:39.594 +31:24:50.72 1091.604 2211.601 2466.329
mean dra: -0.000, ddec: 0.000, dr = 0.553
33 bin hits
# Arcsec/Pixel: -0.644325 0.643780 Rotation: -0.386978 degrees
# Optical axis: 16:13:59.717 +31:32:29.74 J2000 at (512.00,512.00)
# Optical axis: 16:12:02.636 +31:40:00.55 B1950 at (512.00,512.00)
# 34 matches between uac and testx90m.sex:
1200.07878827 16:15:55.866 +31:19:58.60 13.30 528.7 33.2 -1.30 0.24 0.98
1200.07879414 16:15:49.349 +31:26:42.45 13.30 660.8 661.0 0.13 -0.17 0.20
1200.07879180 16:15:45.499 +31:27:49.00 13.50 736.9 763.5 -0.33 0.35 0.43
1200.07879769 16:16:08.370 +31:26:15.49 13.70 283.5 620.2 0.63 -0.44 0.64
1200.07879831 16:15:34.871 +31:24:43.75 13.90 947.7 475.6 -0.29 0.30 0.37
1200.07880551 16:15:41.483 +31:26:37.85 14.20 817.0 653.3 0.13 0.08 0.12
1200.07880094 16:15:37.300 +31:23:52.10 14.20 899.6 395.9 -0.14 -0.04 0.11
1200.07879279 16:15:52.991 +31:25:15.22 14.50 588.7 526.4 0.52 -0.68 0.78
1200.07878815 16:16:10.943 +31:21:42.33 14.60 229.6 196.1 -1.01 -0.49 0.88
1200.07878834 16:15:52.077 +31:27:54.45 15.20 606.9 772.9 0.19 -0.15 0.20
1200.07879633 16:15:32.963 +31:25:03.51 15.20 986.0 507.1 0.00 -0.25 0.25
1200.07880277 16:15:38.989 +31:22:08.84 15.60 866.4 236.2 0.37 -0.45 0.52
1200.07880774 16:16:13.700 +31:28:08.97 15.70 177.7 795.3 0.34 0.47 0.53
1200.07880794 16:15:55.841 +31:27:30.14 16.10 532.1 736.2 0.26 -0.74 0.77
1200.07879957 16:16:16.047 +31:28:49.85 16.10 132.0 857.8 1.00 1.16 1.37
1200.07880393 16:15:39.989 +31:28:02.95 16.10 847.4 785.8 0.68 -0.18 0.53
1200.07880180 16:16:09.431 +31:19:56.04 16.20 260.9 28.6 0.43 1.02 1.07
1200.07879013 16:16:11.359 +31:20:30.88 16.30 221.5 84.2 -0.68 0.12 0.51
1200.07880522 16:16:10.818 +31:19:53.85 16.30 233.2 25.7 0.32 0.69 0.73
1200.07880175 16:16:12.619 +31:21:16.75 16.30 196.8 156.4 -0.44 -0.50 0.59
1200.07880904 16:16:09.496 +31:23:50.68 16.40 259.9 394.8 -0.06 -0.09 0.10
1200.07880210 16:15:38.273 +31:25:54.87 16.50 880.5 586.8 -0.02 -0.14 0.14
1200.07879701 16:15:33.597 +31:26:14.52 16.50 973.4 616.8 -0.09 0.17 0.18
1200.07880886 16:16:14.084 +31:22:10.91 16.60 168.2 239.2 -0.22 0.41 0.44
1200.07880205 16:16:09.503 +31:27:10.42 16.60 260.7 704.9 0.23 -0.02 0.17
1200.07880435 16:16:00.937 +31:24:50.57 16.60 430.1 486.2 -0.07 0.68 0.69
1200.07879912 16:15:49.584 +31:23:50.70 16.80 656.0 394.4 0.35 -0.25 0.36
1200.07878931 16:15:47.951 +31:20:34.80 16.80 687.1 89.5 -0.45 0.09 0.34
1200.07879533 16:16:00.378 +31:25:42.02 16.80 441.2 567.0 -0.20 0.14 0.20
1200.07880609 16:15:57.463 +31:21:15.87 16.80 498.1 154.3 -0.49 -0.41 0.55
1200.07880690 16:15:45.387 +31:22:58.13 16.90 739.7 313.7 0.70 -0.98 1.11
1200.07880135 16:15:53.377 +31:24:58.88 16.90 580.3 498.9 -0.09 0.67 0.67
1200.07879331 16:15:55.930 +31:27:20.41 17.00 530.0 720.3 -0.03 -0.24 0.24
1200.07880343 16:15:39.574 +31:24:50.11 17.10 854.2 487.0 -0.36 -0.61 0.67
# Mean dx= 0.00/0.54 dy= -0.01/0.76 dxy= 0.80
# Mean dra= -0.00/0.48 ddec= -0.01/0.49 sep= 0.51
CTYPE1 = RA---TAN
CRVAL1 = 243.49882182
CDELT1 = -0.00017898
CRPIX1 = 512.00000000
CROTA1 = -0.387
CTYPE2 = DEC--TAN
CRVAL2 = 31.54159352
CDELT2 = 0.00017883
CRPIX2 = 512.00000000
CROTA2 = -0.387
testx90mw.fit: written successfully.