***** File CALIB_LS.TXT This file is a shortened version of the file CALIB.TXT, which was deposited in the DOCUMENT directory of the Large-Scale Phenomena (L-SP) Image Discs (Volumes 1-18). The present file should familiarize the Archive user with most aspects of the L-SP calibration data; if more information is needed, CALIB.TXT should be consulted. It is important to stress that the L-SP calibration datafiles contained in this directory of Volume 23 (also known as HAL_0023) are subsampled, "browse" images (maximum pixel dimensions of 256x256). The full-resolution calibration data are only to be found on the L-SP dedicated CD-ROMs (Volumes 1-18), in compressed form. ******************** (Shortened, Edited Version of CALIB.TXT) Description of Large-Scale Phenomena (L-SP) Calibration Data and A Table linking L-SP Calibration Files to Specific Comet Halley Image Files DESCRIPTION OF CALIBRATION DATA. Most of the plates and films of Halley submitted by L-SP Network observers to the Discipline Specialist were uncalibrated. However, those which were calibrated were done so in a variety of ways, and this reflects our different treatment of those data. Some observers provided calibration as sensitometer spots or stepwedges on photographic plates distinct from the Halley plates they calibrate. As a rule we did not digitize these due to extreme demands on microdensitometer time, concerns about differing background density levels between the calibration and associated Halley plates, and microdensitometer zero-level drift between scans. However, in all such cases the existence of calibration has been noted in the FITS header of the Halley image in the keyword CALAVL (='T') as well as in the index table /INDEX/NETABLES/NETLARGE.IDX. Other calibrated plates had sensitometer spots and strips on the same plate as the comet, and these calibration data were regularly digitized by the L-SP Team. Most of the time, due to the (large) plate size or the location of calibration data on the plate, the calibration area was scanned separately from the comet; every effort was made to minimize microdensitometer drift and elapsed time between scans of the calibration and the comet. On the compact discs, such calibration scans have been placed in separate files named LSPN4nnn.*, with the FITS keyword OBJECT='CALIBRAT' in the header (.HDR) file. The table below links these separate calibration files with the associated Halley datafiles. In some cases the calibration area on the plate was physically close enough to the comet to include it in the Halley scan. In these situations there is only one datafile, and it follows the naming convention for Halley data (filename=LSPNnnnn.*, nnnn < 4000). There are 46 occurrences of this type and they are listed in the section following the table below. Finally, a small number of observers provided comet and calibration data to the L-SP Team already in digital form, and in separate files. In these situations the calibrating object is either spots and wedges on plates (OBJECT='PHOTOMET') or a sky object (e.g., OBJECT='NGC1817'). We have deposited these calibration data on compact disc as separate files (filename=LSPN4nnn.*), and hence the table below should be used to link them with Halley data. For all calibration data in the L-SP portion of the archive, the known information about intensity ratios for step wedges, exposure times, etc., is contained in the FITS headers associated with the calibration datafiles. Malcolm B. Niedner, Jr. IHW Discipline Specialist for Large-Scale Phenomena ----------------------------------- THE CALIBRATION TABLE Explanation of Columns: (1) Calibration filename, in ascending order. (2) SYSTEM Code of observatory/instrument/location combination; refer to /DOCUMENT/OBSVTORY/OBSCODES.TXT for a listing of Observatories, Instruments, and SYSTEM Codes. (3) Calibration Object. "CALIBRAT" and "PHOTOMET" refer to sensitometer spots or wedges on the Halley plates. Names of sky objects are self- explanatory. (4) Date is in UT for the date of the calibration plate. (5) Time is in UT day fraction of mid-exposure of the calibration plate. (6) NAXIS1 is the number of samples per line for the full-resolution, uncompressed calibration image. (7) NAXIS2 is the number of lines in the full-resolution, uncompressed calibration image. (8) Associated Halley Filename is the filename of the Halley image for which the calibration was made. There is not a one-to-one correspondence as some large Halley plates with calibration were scanned (by the L-SP Team) in two (comet) segments, resulting in two files. Moreover, calibrating sky objects were frequently photographed once for several Halley images. 'UNKNOWN' is used for a few situations in which both calibration and Halley data were submitted to L-SP in digital form, and the calibration/ Halley associations were not specifically stated by the observers. Nonetheless, we chose to include these calibration data in the archive. ---------------------------------- TABLE Calibration and Associated Halley Filenames ordered by Calibration Filename ------------------------------------------------------------------------------ (1) (2) (3) (4) (5) (6) (7) (8) Calibration System Calibration Date(UT) Time (UT NAXIS1 NAXIS2 Associated Filename Code Object day fr.) Halley Filename ------------------------------------------------------------------------------ LSPN4001 35002402 NGC1817 21/09/85 0.86213 80 120 LSPN0059 LSPN4002 30330100 CALIBRAT 21/10/85 0.09479 1800 200 LSPN0094 LSPN4003 30330100 CALIBRAT 21/10/85 0.12153 1800 200 LSPN0095 LSPN4004 30330100 CALIBRAT 21/10/85 0.14687 1500 200 LSPN0096 LSPN4005 30330100 CALIBRAT 12/11/85 0.01285 1800 200 LSPN0175 LSPN4006 31900200 STAND ST 13/11/85 0.72855 50 528 UNKNOWN LSPN4007 31900200 STAND ST 13/11/85 0.87440 50 528 UNKNOWN LSPN4008 34130200 CALIBRAT 15/11/85 0.63347 512 512 LSPN0210 LSPN4009 34130200 CALIBRAT 15/11/85 0.70245 512 512 LSPN0212 LSPN4010 30330100 CALIBRAT 17/11/85 0.00486 1800 200 LSPN0252 LSPN4011 30330100 CALIBRAT 17/11/85 0.04097 1800 200 LSPN0254 LSPN4012 34130200 CALIBRAT 04/12/85 0.45830 512 512 LSPN0382 LSPN4013 34130200 CALIBRAT 04/12/85 0.49085 512 512 LSPN0383 LSPN4014 30330100 CALIBRAT 06/12/85 0.77535 1800 200 LSPN0422 LSPN4015 34130200 CALIBRAT 09/12/85 0.44845 513 512 LSPN0488 LSPN4016 34130200 CALIBRAT 09/12/85 0.50940 512 512 LSPN0490 LSPN4017 31900200 STAND ST 10/12/85 0.71514 50 528 UNKNOWN LSPN4018 32000100 PHOTOMET 11/12/85 0.00000 46 78 LSPN0548 LSPN4019 32000100 PHOTOMET 11/12/85 0.00000 46 78 LSPN0548 LSPN4020 31900200 STAND ST 11/12/85 0.73472 50 528 UNKNOWN LSPN4021 35002402 PHOTOMET 12/12/85 0.00000 80 320 LSPN0578 LSPN4021 35002402 PHOTOMET 12/12/85 0.00000 80 320 LSPN0579 LSPN4021 35002402 PHOTOMET 12/12/85 0.00000 80 320 LSPN0580 LSPN4021 35002402 PHOTOMET 12/12/85 0.00000 80 320 LSPN0581 LSPN4022 34130200 CALIBRAT 13/12/85 0.46835 512 512 LSPN0606 LSPN4023 34130200 CALIBRAT 14/12/85 0.45941 512 512 LSPN0636 LSPN4024 32000100 PHOTOMET 16/12/85 0.00000 46 78 LSPN0669 LSPN4025 32000100 PHOTOMET 16/12/85 0.00000 46 78 LSPN0669 LSPN4026 32000100 PHOTOMET 16/12/85 0.00000 46 78 LSPN0670 LSPN4027 32000100 PHOTOMET 16/12/85 0.00000 46 78 LSPN0670 LSPN4028 35002402 PHOTOMET 16/12/85 0.00000 80 224 LSPN0578 LSPN4028 35002402 PHOTOMET 16/12/85 0.00000 80 224 LSPN0579 LSPN4028 35002402 PHOTOMET 16/12/85 0.00000 80 224 LSPN0580 LSPN4028 35002402 PHOTOMET 16/12/85 0.00000 80 224 LSPN0581 LSPN4029 35002402 NGC1039 16/12/85 0.78240 80 272 LSPN0671 LSPN4029 35002402 NGC1039 16/12/85 0.78240 80 272 LSPN0672 LSPN4029 35002402 NGC1039 16/12/85 0.78240 80 272 LSPN0673 LSPN4029 35002402 NGC1039 16/12/85 0.78240 80 272 LSPN0674 LSPN4030 35002402 PHOTOMET 17/12/85 0.00000 80 196 LSPN0688 LSPN4030 35002402 PHOTOMET 17/12/85 0.00000 80 196 LSPN0689 LSPN4030 35002402 PHOTOMET 17/12/85 0.00000 80 196 LSPN0690 LSPN4030 35002402 PHOTOMET 17/12/85 0.00000 80 196 LSPN0691 LSPN4031 31900200 STAND ST 01/01/86 0.68264 50 480 UNKNOWN LSPN4032 31900200 STAND ST 02/01/86 0.64591 50 480 UNKNOWN LSPN4033 30330100 CALIBRAT 02/01/86 0.71615 1800 200 LSPN0820 LSPN4034 32000100 PHOTOMET 03/01/86 0.00000 46 78 LSPN0831 LSPN4035 32000100 PHOTOMET 03/01/86 0.00000 46 78 LSPN0831 LSPN4036 31900200 STAND ST 03/01/86 0.66078 50 480 UNKNOWN LSPN4037 30330100 CALIBRAT 03/01/86 0.71528 1800 200 LSPN0834 LSPN4038 30330100 CALIBRAT 04/01/86 0.79618 1800 200 LSPN0862 LSPN4039 32000100 PHOTOMET 06/01/86 0.00000 46 78 LSPN0904 LSPN4040 32000100 PHOTOMET 06/01/86 0.00000 46 78 LSPN0904 LSPN4041 32000100 PHOTOMET 06/01/86 0.00000 46 78 LSPN0905 LSPN4042 32000100 PHOTOMET 06/01/86 0.00000 46 78 LSPN0905 LSPN4043 35000802 CALIBRAT 06/01/86 0.38264 4096 1024 LSPN0901 LSPN4044 32000100 PHOTOMET 07/01/86 0.00000 46 78 LSPN0920 LSPN4045 32000100 PHOTOMET 07/01/86 0.00000 46 78 LSPN0920 LSPN4046 32000100 PHOTOMET 07/01/86 0.00000 46 78 LSPN0921 LSPN4047 32000100 PHOTOMET 07/01/86 0.00000 46 78 LSPN0921 LSPN4048 35002401 AQR STND 07/01/86 0.55127 80 144 LSPN0912 LSPN4048 35002401 AQR STND 07/01/86 0.55127 80 144 LSPN0919 LSPN4049 32000100 PHOTOMET 08/01/86 0.00000 46 78 LSPN0942 LSPN4050 32000100 PHOTOMET 08/01/86 0.00000 46 78 LSPN0942 LSPN4051 32000100 PHOTOMET 08/01/86 0.00000 46 78 LSPN0943 LSPN4052 32000100 PHOTOMET 08/01/86 0.00000 46 78 LSPN0943 LSPN4053 35002401 PHOTOMET 08/01/86 0.00000 80 196 LSPN0944 LSPN4053 35002401 PHOTOMET 08/01/86 0.00000 80 196 LSPN0946 LSPN4053 35002401 PHOTOMET 08/01/86 0.00000 80 196 LSPN0947 LSPN4054 35002401 AQR STAN 08/01/86 0.62337 80 144 LSPN0912 LSPN4054 35002401 AQR STAN 08/01/86 0.62337 80 144 LSPN0919 LSPN4055 35000802 CALIBRAT 09/01/86 0.39687 4096 1024 LSPN0973 LSPN4056 35000802 CALIBRAT 10/01/86 0.39722 4096 1024 LSPN0993 LSPN4057 35000802 CALIBRAT 10/01/86 0.42749 4096 512 LSPN0995 LSPN4058 32000100 PHOTOMET 11/01/86 0.00000 46 78 LSPN1026 LSPN4059 32000100 PHOTOMET 11/01/86 0.00000 46 78 LSPN1026 LSPN4060 32000100 PHOTOMET 11/01/86 0.00000 46 78 LSPN1027 LSPN4061 32000100 PHOTOMET 11/01/86 0.00000 46 78 LSPN1027 LSPN4062 32000100 PHOTOMET 12/01/86 0.00000 46 78 LSPN1052 LSPN4063 32000100 PHOTOMET 12/01/86 0.00000 46 78 LSPN1052 LSPN4064 32000100 PHOTOMET 19/01/86 0.00000 46 78 LSPN1117 LSPN4065 32000100 PHOTOMET 19/01/86 0.00000 46 78 LSPN1117 LSPN4066 32000100 PHOTOMET 19/01/86 0.00000 46 78 LSPN1118 LSPN4067 32000100 PHOTOMET 19/01/86 0.00000 46 78 LSPN1118 LSPN4068 34130200 CALIBRAT 27/02/86 0.78472 512 512 LSPN1145 LSPN4069 34130200 CALIBRAT 02/03/86 0.79003 512 512 LSPN1169 LSPN4070 34130200 CALIBRAT 04/03/86 0.77419 512 512 LSPN1202 LSPN4071 34130200 CALIBRAT 05/03/86 0.74513 512 512 LSPN1220 LSPN4072 34130200 CALIBRAT 05/03/86 0.75552 512 512 LSPN1221 LSPN4073 34130200 CALIBRAT 05/03/86 0.76522 512 512 LSPN1222 LSPN4074 34130200 CALIBRAT 06/03/86 0.74623 512 512 LSPN1244 LSPN4075 32000100 PHOTOMET 08/03/86 0.00000 46 78 LSPN1280 LSPN4076 32000100 PHOTOMET 08/03/86 0.00000 46 78 LSPN1280 LSPN4077 32000100 PHOTOMET 08/03/86 0.00000 46 78 LSPN1281 LSPN4078 32000100 PHOTOMET 08/03/86 0.00000 46 78 LSPN1281 LSPN4079 35000802 CALIBRAT 08/03/86 0.83720 1536 512 LSPN1304 LSPN4080 35000802 CALIBRAT 08/03/86 0.84410 1536 512 LSPN1305 LSPN4081 34130200 CALIBRAT 09/03/86 0.77716 512 512 LSPN1330 LSPN4081 34130200 CALIBRAT 09/03/86 0.77716 512 512 LSPN1331 LSPN4082 34130200 CALIBRAT 10/03/86 0.73808 512 512 LSPN1345 LSPN4083 34130200 CALIBRAT 10/03/86 0.75781 512 512 LSPN1346 LSPN4084 34130200 CALIBRAT 10/03/86 0.77582 512 512 LSPN1347 LSPN4085 34130200 CALIBRAT 10/03/86 0.77582 512 512 LSPN1348 LSPN4086 34130200 CALIBRAT 11/03/86 0.76166 512 512 LSPN1363 LSPN4087 34130200 CALIBRAT 11/03/86 0.78451 512 512 LSPN1364 LSPN4088 34130200 CALIBRAT 12/03/86 0.72430 512 512 LSPN1387 LSPN4088 34130200 CALIBRAT 12/03/86 0.72430 512 512 LSPN1388 LSPN4089 34130200 CALIBRAT 12/03/86 0.74438 512 512 LSPN1389 LSPN4089 34130200 CALIBRAT 12/03/86 0.74438 512 512 LSPN1390 LSPN4090 34130200 CALIBRAT 12/03/86 0.76413 512 512 LSPN1391 LSPN4091 34130200 CALIBRAT 13/03/86 0.75273 512 512 LSPN1423 LSPN4091 34130200 CALIBRAT 13/03/86 0.75273 512 512 LSPN1424 LSPN4092 34130200 CALIBRAT 13/03/86 0.79012 512 512 LSPN1425 LSPN4093 34130200 CALIBRAT 17/03/86 0.75289 512 512 LSPN1546 LSPN4094 34130200 CALIBRAT 17/03/86 0.77091 512 512 LSPN1547 LSPN4094 34130200 CALIBRAT 17/03/86 0.77091 512 512 LSPN1548 LSPN4095 34130200 CALIBRAT 18/03/86 0.68230 512 512 LSPN1583 LSPN4096 34130200 CALIBRAT 18/03/86 0.70654 512 512 LSPN1586 LSPN4097 34130200 CALIBRAT 18/03/86 0.70654 512 512 LSPN1587 LSPN4098 34130200 CALIBRAT 18/03/86 0.72697 512 512 LSPN1590 LSPN4099 32000100 PHOTOMET 19/03/86 0.00000 46 78 LSPN1595 LSPN4099 32000100 PHOTOMET 19/03/86 0.00000 46 78 LSPN1596 LSPN4100 32000100 PHOTOMET 19/03/86 0.00000 46 78 LSPN1595 LSPN4100 32000100 PHOTOMET 19/03/86 0.00000 46 78 LSPN1596 LSPN4101 32000100 PHOTOMET 19/03/86 0.00000 46 78 LSPN1595 LSPN4101 32000100 PHOTOMET 19/03/86 0.00000 46 78 LSPN1596 LSPN4102 32000100 PHOTOMET 19/03/86 0.00000 46 78 LSPN1598 LSPN4103 32000100 PHOTOMET 19/03/86 0.00000 46 78 LSPN1598 LSPN4104 32000100 PHOTOMET 19/03/86 0.00000 46 78 LSPN1598 LSPN4105 34130200 CALIBRAT 19/03/86 0.76510 512 512 LSPN1630 LSPN4106 34130200 CALIBRAT 20/03/86 0.71699 512 512 LSPN1673 LSPN4107 34130200 CALIBRAT 21/03/86 0.76934 512 512 LSPN1724 LSPN4108 34130200 CALIBRAT 21/03/86 0.76934 512 512 LSPN1725 LSPN4109 34130200 CALIBRAT 23/03/86 0.77012 512 512 LSPN1808 LSPN4110 34130200 CALIBRAT 23/03/86 0.79123 512 512 LSPN1810 LSPN4111 34130200 CALIBRAT 24/03/86 0.72306 512 512 LSPN1820 LSPN4112 34130200 CALIBRAT 24/03/86 0.78296 512 512 LSPN1822 LSPN4113 34130200 CALIBRAT 24/03/86 0.78296 512 512 LSPN1823 LSPN4114 34130200 CALIBRAT 25/03/86 0.77711 512 512 LSPN1839 LSPN4115 34130200 CALIBRAT 26/03/86 0.77439 512 512 LSPN1855 LSPN4116 34130200 CALIBRAT 27/03/86 0.70239 512 512 LSPN1868 LSPN4117 34130200 CALIBRAT 27/03/86 0.73010 512 512 LSPN1869 LSPN4118 34130200 CALIBRAT 27/03/86 0.75502 512 512 LSPN1870 LSPN4119 34130200 CALIBRAT 28/03/86 0.69482 512 512 LSPN1874 LSPN4120 34130200 CALIBRAT 28/03/86 0.72460 512 512 LSPN1875 LSPN4121 34130200 CALIBRAT 28/03/86 0.74953 512 512 LSPN1876 LSPN4122 34130200 CALIBRAT 29/03/86 0.69485 512 512 LSPN1879 LSPN4123 34130200 CALIBRAT 29/03/86 0.72533 512 512 LSPN1880 LSPN4124 34130200 CALIBRAT 29/03/86 0.75303 512 512 LSPN1881 LSPN4125 34130200 CALIBRAT 31/03/86 0.72194 512 512 LSPN1911 LSPN4126 34130200 CALIBRAT 01/04/86 0.74969 512 512 LSPN1933 LSPN4127 34130200 CALIBRAT 03/04/86 0.69853 512 512 LSPN1987 LSPN4128 34130200 CALIBRAT 03/04/86 0.69853 512 512 LSPN1988 LSPN4129 34130200 CALIBRAT 03/04/86 0.72103 512 512 LSPN1989 LSPN4130 34130200 CALIBRAT 03/04/86 0.74630 512 512 LSPN1990 LSPN4131 34130200 CALIBRAT 03/04/86 0.77470 512 512 LSPN1991 LSPN4132 34130200 CALIBRAT 04/04/86 0.68679 512 512 LSPN2019 LSPN4133 34130200 CALIBRAT 04/04/86 0.68679 512 512 LSPN2020 LSPN4134 34130200 CALIBRAT 04/04/86 0.70929 512 512 LSPN2021 LSPN4135 34130200 CALIBRAT 05/04/86 0.72007 512 512 LSPN2048 LSPN4136 34130200 CALIBRAT 07/04/86 0.71463 512 512 LSPN2165 LSPN4137 34130200 CALIBRAT 07/04/86 0.74716 512 512 LSPN2169 LSPN4138 34130200 CALIBRAT 08/04/86 0.72921 512 512 LSPN2219 LSPN4138 34130200 CALIBRAT 08/04/86 0.72921 512 512 LSPN2220 LSPN4139 34130200 CALIBRAT 09/04/86 0.59696 512 512 LSPN2281 LSPN4140 34130200 CALIBRAT 09/04/86 0.62328 512 512 LSPN2282 LSPN4141 34130200 CALIBRAT 09/04/86 0.68907 512 512 LSPN2285 LSPN4142 34130200 CALIBRAT 09/04/86 0.72508 512 512 LSPN2289 LSPN4143 34130200 CALIBRAT 09/04/86 0.75049 512 512 LSPN2291 LSPN4144 34130200 CALIBRAT 10/04/86 0.64134 512 512 LSPN2336 LSPN4145 34130200 CALIBRAT 10/04/86 0.76737 512 512 LSPN2349 LSPN4146 34130200 CALIBRAT 10/04/86 0.76737 512 512 LSPN2350 LSPN4147 34130200 CALIBRAT 14/04/86 0.67090 512 512 LSPN2570 LSPN4148 34130200 CALIBRAT 14/04/86 0.72876 512 512 LSPN2575 LSPN4149 34130200 CALIBRAT 14/04/86 0.76685 512 512 LSPN2577 LSPN4150 34130200 CALIBRAT 15/04/86 0.47463 512 512 LSPN2612 LSPN4151 34130200 CALIBRAT 15/04/86 0.50198 512 512 LSPN2615 LSPN4152 34130200 CALIBRAT 15/04/86 0.55012 512 512 LSPN2619 LSPN4153 34130200 CALIBRAT 15/04/86 0.57851 512 512 LSPN2621 LSPN4154 34130200 CALIBRAT 15/04/86 0.60829 512 512 LSPN2625 LSPN4155 34130200 CALIBRAT 15/04/86 0.63737 512 512 LSPN2633 LSPN4156 34130200 CALIBRAT 15/04/86 0.67061 512 512 LSPN2643 LSPN4157 34130200 CALIBRAT 15/04/86 0.69900 512 512 LSPN2648 LSPN4158 34130200 CALIBRAT 15/04/86 0.72880 512 512 LSPN2650 LSPN4159 34130200 CALIBRAT 15/04/86 0.75788 512 512 LSPN2651 LSPN4160 34130200 CALIBRAT 15/04/86 0.78315 512 512 LSPN2653 LSPN4161 34130200 CALIBRAT 17/04/86 0.65617 512 512 LSPN2731 LSPN4162 34130200 CALIBRAT 17/04/86 0.76765 512 512 LSPN2732 LSPN4163 34130200 CALIBRAT 20/04/86 0.70891 512 512 LSPN2788 LSPN4164 30330100 CALIBRAT 02/05/86 0.86597 1800 200 LSPN2928 LSPN4165 34130200 CALIBRAT 09/05/86 0.42227 512 512 LSPN3094 LSPN4166 35002402 PHOTOMET 11/05/86 0.00000 80 80 LSPN3121 LSPN4166 35002402 PHOTOMET 11/05/86 0.00000 80 80 LSPN3122 LSPN4166 35002402 PHOTOMET 11/05/86 0.00000 80 80 LSPN3123 LSPN4166 35002402 PHOTOMET 11/05/86 0.00000 80 80 LSPN3124 LSPN4166 35002402 PHOTOMET 11/05/86 0.00000 80 80 LSPN3125 LSPN4166 35002402 PHOTOMET 11/05/86 0.00000 80 80 LSPN4168 LSPN4167 34130200 CALIBRAT 11/05/86 0.41163 512 512 LSPN3118 LSPN4168 35002402 COMA STA 11/05/86 0.80699 80 96 LSPN3121 LSPN4168 35002402 COMA STA 11/05/86 0.80699 80 96 LSPN3122 LSPN4168 35002402 COMA STA 11/05/86 0.80699 80 96 LSPN3123 LSPN4168 35002402 COMA STA 11/05/86 0.80699 80 96 LSPN3124 LSPN4168 35002402 COMA STA 11/05/86 0.80699 80 96 LSPN3125 LSPN4169 34130200 CALIBRAT 27/05/86 0.37936 512 512 LSPN3157 LSPN4170 34130200 CALIBRAT 02/06/86 0.41043 512 512 LSPN3166 LSPN4171 34130200 CALIBRAT 25/06/86 0.37428 512 512 LSPN3185 LSPN4172 34130200 CALIBRAT 26/06/86 0.38197 512 512 LSPN3186 LSPN4173 34130200 CALIBRAT 06/07/86 0.39137 512 512 LSPN3191 ----------------------------------------------------------------------------- ----------------------------------------------------------------------------- ADDITIONAL CALIBRATION DATA. Following is a list, grouped by observing System Code, of Halley image files which contain calibration spots, wedges, and strips. These calibration data are not placed in separate calibration files, and hence do not appear in the table above. SYSTEM CODE = 30330100 (Karl Schwarzschild Observatory/Schmidt) LSPN0177 LSPN0862 SYSTEM CODE = 30690100 (Riga Radio-Astrophysical Observatory/Schmidt) LSPN0149 LSPN0466 LSPN0654 SYSTEM CODE = 33810100 (Kiso Observatory/Schmidt) LSPN0150 LSPN0211 LSPN0290 LSPN0327 LSPN0360 SYSTEM CODE = 34130200 (Royal Observatory/UK Schmidt) LSPN2020 LSPN1583 LSPN2777 SYSTEM CODE = 35110300 (Observatory of Haute-Provence/Schmidt) LSPN1032 LSPN1054 SYSTEM CODE = 36620200 (Lick Observatory/Crossley Reflector) LSPN0416 SYSTEM CODE = 36950600 (Kitt Peak, Warner and Swasey Obs./Burrell Schmidt) LSPN0137 LSPN0392 LSPN0395 LSPN0398 LSPN0444 LSPN0453 LSPN0454 LSPN0458 LSPN0461 LSPN0482 LSPN0485 LSPN1617 LSPN1619 LSPN1622 LSPN1663 LSPN1665 LSPN1667 LSPN1671 LSPN1706 LSPN1707 LSPN1711 LSPN1714 LSPN1756 LSPN1760 LSPN1764 LSPN1766 LSPN1767 LSPN1800 LSPN1802 LSPN1803 ------------------------------------------------------------------------------ ------------------------------------------------------------------------------