Matching GSC II stars in an image using IMMGSC2

After running SExtractor on a test image, creating the file testx90mw.sex, we can match catalog stars to stars in an image containing a world coordinate system.

$ immgsc2 -d testx90mw.sex testx90mw.fits

returns

# Arcsec/Pixel= -0.644772 0.643577  Rotation= -0.217214 degrees
# Optical axis= 16:15:56.745  +31:25:06.83 J2000 x= 514.55 y= 512.29
# Optical axis= 16:13:59.641  +31:32:30.02 B1950  x= 514.55 y= 512.29
# nmatch= 50 nstars= 50 between gsc2 and testx90mw.sex  niter= 0
 N1322311404 16:15:49.367 +31:26:42.38 13.12  660.8  661.0  -0.49  -0.29   0.57
 N1322311398 16:15:45.555 +31:27:48.40 13.09  736.9  763.5  -0.44  -0.27   0.52
 N1322311410 16:16:08.374 +31:26:15.50 13.43  283.5  620.2  -0.41  -0.50   0.64
 N1322311440 16:15:55.921 +31:19:58.44 13.53  528.7   33.3  -0.24  -0.11   0.26
 N1322311390 16:16:12.163 +31:28:52.65 13.57  209.3  861.3  -0.41   1.58   1.64
 N1322311422 16:15:34.899 +31:24:43.10 13.82  947.7  475.6  -0.26  -0.43   0.50
 N1322311422 16:15:56.179 +31:24:24.56 10.70  524.9  446.9  -0.42  -0.20   0.47
 N1322311424 16:15:37.317 +31:23:51.80 14.54  899.6  395.9  -0.20  -0.45   0.49
 N1322311406 16:15:41.507 +31:26:37.48 14.55  817.0  653.3  -0.32  -0.35   0.47
 N1322311418 16:15:52.988 +31:25:15.50 14.66  588.7  526.4  -0.31  -0.48   0.57
 N1322311434 16:16:10.990 +31:21:42.59 14.77  229.6  196.1  -0.48  -0.38   0.61
 N13223112694 16:16:21.722 +31:26:44.99 15.07   18.4  666.5  -0.65  -0.38   0.75
 N132231113290 16:15:32.987 +31:25:03.33 15.27  986.0  507.1  -0.14  -0.51   0.53
 N132231113842 16:15:52.111 +31:27:54.29 15.20  606.8  772.9  -0.40  -0.34   0.53
 N132231112818 16:15:38.980 +31:22:08.96 15.82  866.4  236.2   0.03  -0.47   0.47
 N13223112722 16:16:13.738 +31:28:08.22 15.96  177.7  795.3  -0.48  -0.31   0.57
 N132231113870 16:15:39.994 +31:28:02.75 15.97  847.4  785.8  -0.34  -0.41   0.53
 N13223112524 16:16:11.382 +31:20:30.79 16.27  221.5   84.2  -0.40  -0.15   0.42
 N13223112736 16:16:16.046 +31:28:48.40 16.40  132.0  857.8  -0.59  -0.30   0.66
 N132231112510 16:16:09.397 +31:19:55.22 16.41  260.9   28.6  -0.23   0.01   0.23
 N132231112504 16:16:10.789 +31:19:53.30 16.46  233.2   25.7  -0.25  -0.04   0.26
 N132231114220 16:16:07.211 +31:29:34.74 16.54  308.2  929.5  -0.19  -0.35   0.40
 N13223112550 16:16:12.638 +31:21:17.09 16.50  196.8  156.4  -0.39  -0.32   0.51
 N132231113280 16:15:53.405 +31:24:57.95 16.72  580.3  498.9  -0.32  -0.34   0.47
 N132231113704 16:16:09.548 +31:27:10.21 16.57  260.7  704.9  -0.31  -0.28   0.42
 N132231113106 16:16:09.519 +31:23:50.53 16.80  259.9  394.8  -0.36  -0.35   0.50
 N13223112578 16:16:14.101 +31:22:10.34 16.90  168.2  239.2  -0.39  -0.30   0.49
 N13223112780 16:16:13.669 +31:30:15.70 16.90  179.7  994.0  -0.65  -0.72   0.97
 N132231113262 16:16:00.966 +31:24:49.66 16.92  430.1  486.2  -0.33  -0.31   0.45
 N13223112628 16:16:19.273 +31:24:26.87 16.85   66.2  451.7  -0.53  -0.36   0.65
 N132231113492 16:15:33.626 +31:26:14.07 16.96  973.4  616.8  -0.30  -0.34   0.45
 N132231113428 16:15:38.300 +31:25:54.65 16.96  880.5  586.8  -0.28  -0.43   0.51
 N132231113774 16:15:55.856 +31:27:30.33 15.83  532.2  735.6  -0.51  -0.22   0.56
 N132231113424 16:16:00.419 +31:25:41.61 17.08  441.2  567.0  -0.40  -0.32   0.51
 N132231113094 16:15:49.575 +31:23:50.57 17.06  656.0  394.3  -0.29  -0.49   0.57
 N13223112750 16:16:17.540 +31:29:14.66 17.30  102.5  900.5  -0.64  -1.45   1.59
 N132231112588 16:15:47.974 +31:20:34.66 17.30  687.2   89.5  -0.04  -0.23   0.23
 N132231112692 16:15:57.494 +31:21:16.06 17.28  498.1  154.3  -0.13  -0.38   0.40
 N132231112938 16:15:45.367 +31:22:58.76 17.27  739.7  313.7  -0.05  -0.47   0.48
 N132231114398 16:16:02.534 +31:30:15.40 16.60  401.0  993.0  -0.33  -0.68   0.76
 N132231113102 16:15:48.523 +31:23:55.00 17.44  676.9  401.2  -0.31  -0.46   0.56
 N132231112900 16:15:37.214 +31:22:41.71 17.60  901.5  286.8  -0.08  -0.32   0.33
 N132231113246 16:15:39.614 +31:24:50.22 17.61  854.2  487.0  -0.22  -0.59   0.63
 N132231114350 16:15:41.903 +31:30:13.02 17.46  810.1  988.4  -0.39  -0.48   0.62
 N132231112492 16:16:06.974 +31:19:50.75 17.64  308.9   21.5  -0.30   0.03   0.30
 N132231112618 16:15:46.419 +31:20:49.78 17.80  718.2  113.0   0.01  -0.25   0.25
 N132231114412 16:15:40.525 +31:30:30.77 17.62  837.6 1016.2  -0.37  -0.63   0.73
 N132231113774 16:15:55.974 +31:27:20.33 17.66  530.0  720.3  -0.39  -0.37   0.54
 N132231113424 16:16:00.598 +31:25:48.25 17.77  437.7  577.4  -0.42  -0.40   0.58
 N132231112810 16:16:03.377 +31:22:00.74 17.83  381.6  223.4  -0.03  -0.04   0.05
# Mean  dx= 0.5048/0.5688  dy= -0.5183/0.7600  dxy= 0.8434
# Mean dra= -0.3267/0.3680  ddec= -0.3330/0.4887 sep= 0.5436/0.6118
xena 378 >

[immatch] [imgsc2] [imgsc2 example 3]