SIMPLE = T / BASIC FITS FORMAT BITPIX = 8 / 1-BYTE INTEGER NAXIS = 2 / NUMBER OF AXES, 2=SINGLE IMAGE, 3=MULTIPLE NAXIS1 = 256 / PIXELS PER ROW NAXIS2 = 114 / LINES PER IMAGE OBJECT = 'P/HALLEY ' / NAME OF OBJECT FILE-NUM= 301476 / NUMBER OF FILE SENT TO JPL, DNNNNN DATE-OBS= '13/03/86 ' / DATE OF MID-EXPOSURE DD/MM/YY TIME-OBS= 0.79012 / TIME OF OBSERVATION, DAY FRACTION DATE-REL= '01/02/89 ' / DATA RELEASE DATE, DD/MM/YY DISCIPLN= 'LARGE SCALE PHEN ' / IHW DISCIPLINE LONG-OBS= '149/04/12 ' / STATION LONGITUDE DDD/MM/SS LAT--OBS= '-31/16/30 ' / STATION LATITUDE SDD/MM/SS SYSTEM = '34130200 ' / OBSERVING SYSTEM CODE OBSERVER= 'UKSTU ' / NAME OF OBSERVER WHO TOOK PLATE SUBMITTR= 'NIEDNER,M ' / LSPN SUBMITTER SPEC-EVT= F / SPECIAL EVENTS FLAG DAT-FORM= 'STANDARD ' / STANDARD FITS DATA DAT-TYPE= 'IMAGE ' / TYPE OF FITS DATA LSPNSEQ = 322831 / SEQUENCE # OF PLATE RECEIVED AT LSPN COMMENT COMMENT / SUBMITTING STATION OBSVTORY= 'ROYAL OBSERVATORY/UK SCHMIDT TEL. UNIT ' / NAME OF OBSERVATORY LOCATION= 'SIDING SPRING, AUSTRALIA ' / STATION LOCATION-ADDRESS COMMENT COMMENT / INSTRUMENT SPECS TELESCOP= 'UK SCHMIDT ' / TYPE OF TELESCOPE APERTURE= 1.240 / APERTURE, METERS FRATIO = 2.500 / EFFECTIVE TELESCOPE F RATIO FOV1 = 6.400 / RA FIELD OF VIEW, DEGREES FOV2 = 6.400 / DEC FIELD OF VIEW, DEGREES COMMENT COMMENT / PLATE SPECS PLTSZE1 = 0.356 / X PLATE SIZE, METERS PLTSZE2 = 0.356 / Y PLATE SIZE, METERS PLTSCALE= 67.144 / PLATE SCALE ARC SECONDS PER MM CALAVL = T / CALIBRATION AVAILABLE HYPSEN = F / HYPERSENSITIZATION EMULSION= 'IIA-O ' / EMULSION TYPE FILTER = 'GG-395 ' / TYPE OF FILTER USED PLTYPE = F / PLATE TYPE, T=ORIGINAL, F=COPY COMMENT COMMENT / OBSERVATION SPECS EXPOSURE= 60. / EXPOSURE TIME, SECONDS HISTORY OBSLOG = 'JB10859 ' / ORIGINAL OBSERVATORY PLATE HISTORY CMTS-LOG ='SHORT EXPOSURE SHOWS EXTREMELY INTRICATE RAY STRUCTURE 'HISTORY CMTS-LOG2='NEAR HEAD. 'COMMENT COMMENT / TAPE SPECS BSCALE = 1.0 / SCALE FACTOR, TRUE = TAPE * BSCALE + BZERO BZERO = 0.0 / OFFSET FOR TRUE PIXEL VALUE BUNIT = 'DENSITY ' / UNITS OF PIXEL VALUES COMMENT COMMENT / DIGITIZATION SPECS HISTORY SCNAPR = 50 / PDS SCAN APERTURE, MICRONS HISTORY SCNSTP = 50 / PDS SCAN STEP, MICRONS HISTORY SKYDEN = 160 / SKY BKGND PDS DENSITY HISTORY SKYUNF = 'FAIR ' / SKY BKGND POOR/FAIR/GOOD/EXCL COMMENT COMMENT / ASTROMETRY INFORMATION EQUINOX = 1950.0 / EQUINOX OF COORDINATE SYSTEM CTYPE1 = 'RA---ARC ' / X AXIS UNITS CTYPE2 = 'DEC--ARC ' / Y AXIS UNITS RA--CPME= 0.298500E+03 / RA PLATE CENTER MID-EXPOSURE DEC-CPME= -0.215000E+02 / DEC PLATE CENTER MID-EXPOSURE CRPIX1 = 0.1286855E+03 / REF POINT FOR AXIS1, SAMPLES CRPIX2 = 0.2595776E+02 / REF POINT FOR AXIS2, LINES CDELT1 = -0.1678599E-01 / RA PER PIXEL, DEGREES CDELT2 = -0.1678599E-01 / DEC PER PIXEL, DEGREES CROTA1 = -0.729533E+00 / ROTATION ANGLE IN RA, DEGREES CROTA2 = -0.729533E+00 / ROTATION ANGLE IN DEC, DEGREES SENSE = T / SENSE OF ROTATION, T=CCW, F=CW CRVAL1 = 0.298500E+03 / RA AT REFERENCE POINT, DEGREES CRVAL2 = -0.215000E+02 / DEC AT REFERENCE POINT, DEGREES RA--HEAD= 0.300247E+03 / RA COMET HEAD MID-EXPOSURE DEC-HEAD= -0.219069E+02 / DEC COMET HEAD MID-EXPOSURE COMMENT COMMENT / PROCESSING AND ANALYSIS INFO DATE-REC= '01/02/89 ' / DATE PLATE RECEIVED AT GSFC, DD/MM/YY HISTORY DATE-PDS= '03/05/89' / DATE DIGITIZED DD/MM/YY HISTORY DATE-PRC= '16/05/89' / DATE PROCESSED/CALIBRATED DD/MM/YY QUALITY = '21112 ' / QUALITY OF PLATE,GUIDING,TRAILS,SEEING,TRANSP HISTORY CONVERTED TO FITS BY PROGRAM IHWP2F WED MAY 24,1989 HISTORY PDS OPERATOR'S COMMENT FOLLOWS: HISTORY 890503 ID0322810 A50 S255 L2048 P4608 HISTORY BROWSE IMAGE CREATED 07/07/89 HISTORY BROWSE IMAGE DIMENSION SCALE FACTOR = 18 HISTORY BROWSE IMAGE DENSITY SCALE FACTOR = 4 END