SIMPLE  =                    T          / T CONFORMS TO STANDARD FITS FORMAT    BITPIX  =                    8          / VRT FILE: HEADER=THE FIRST 512 BYTES  NAXIS   =                    2          / NUMBER OF AXES IN ARRAY               NAXIS1  =                  128          / PIXELS/ROW (X)                        NAXIS2  =                  128          / ROWS       (Y)                        BZERO   =                  0.0                                                  BSCALE  =                  1.0                                                  OBJECT  = 'P/HALLEY'                    / IN-SITU OBSERVATION                   FILE-NUM=               010005          / IHW ARCHVE NO                         DATE-OBS= '06/03/86'                    / ON-BOARD UT DATE OF EXPOSURE          TIME-OBS=              0.29901          / ON-BOARD UT TIME OF EXPOSURE (DAY)    DATE-REL= '10/06/92'                    / ARCHIVE FILE WRITTEN                  DISCIPLN= 'VEGA-1/TVS'                  / SPACECRAFT ID                         LONG-OBS= '999/99/99'                   / IHW ARCHIVE KEY DEFINITION            LAT--OBS= '+99/99/99'                   / IHW ARCHIVE KEY DEFINITION            SYSTEM  = '05009910'                    / IHW ARCHIVE KEY DEFINITION            OBSERVER= 'TVS TEAM'                    / TELEVISION OBSERVATION                SUBMITTR= 'KFKI TEAM'                   / CENTRAL RES. INST. FOR PHYS. BUDAPEST SPEC-EVT=                    T          / IHW ARCHIVE KEY DEFINITION            DAT-FORM= 'STANDARD'                    / IHW ARCHIVE KEY DEFINITION            IKI-NUM = 'NA      '                    / SOVIET SPACE RES. INST. NO            LPL-NUM = ' 1105   '                    / LPL NO                                TONBHRDW=                31756          / ON-BOARD TIME [HARDWARE UNITS]        TIM--OBS= '07:10:35'                    / ON-BOARD UT TIME OF EXPOSURE          COMMENT   IN (HH:MM:SS)                                                         TIME-ENC=              -571.00          / ACTUAL - ENCOUNTER TIME (SEC)         TELESCOP= 'TVU     '                    / NARRROW ANGLE CAMERA                  SENSOR  =                    1          / SCIENTIFIC CHANNEL CCD IDENT. NO      APERTURE=                  0.2          / OBJECTIVE DIAMETER (METER)            EFL     =                  1.2          / EFFECTIVE FOCAL LENGTH (METER)        FILTER  = 'VIS'                         / TRANSMISSION FILTER CODE              EXPOSURE=        0.64000000000          / EXPOSURE TIME (SEC)                   TEMP-CCD=                -60.0          / SYSTEM TEMPERATURE (DEGREE CELSIUS)   COMMENT CRDPIX1 = 176 / FRAME UPPER-LEFT CORNER X0 ON CCD                       COMMENT CRDPIX2 = 206 / FRAME UPPER-LEFT CORNER Y0 ON CCD                       RANGE   = 'NO CALCULATED'               / COMPUTED DISTANCE TO NUCLEUS (KM)     SCALEX  = 'NO CALCULATED'               / COMPUTED X-DIRECTION SCALE (KM/PIX)   SCALEY  = 'NO CALCULATED'               / COMPUTED Y-DIRECTION SCALE (KM/PIX)   PHASEANG= 'NO CALCULATED'               / SUN-COMET-S/C PHASE ANGLE (DEGREES)   SUNANG  = 'NO CALCULATED'               / SUN DIRECTION TO IMAGE Y-AXIS (DEG)   EQUINOX =               1986.2          / MEAN EQUATOR AND EQUINOX OF THE DATE  VEL-HAL1=             -45.0365          / ECLIPTIC VX OF COMET (KM/S) EQUINOX   VEL-HAL2=              -4.7475          / ECLIPTIC VY OF COMET (KM/S) EQUINOX   VEL-HAL3=             -11.4501          / ECLIPTIC VZ OF COMET (KM/S) EQUINOX   VEL-OBS1=              33.4350          / ECLIPTIC VX OF S/C (KM/S) EQUINOX     VEL-OBS2=             -10.6380          / ECLIPTIC VY OF S/C (KM/S) EQUINOX     VEL-OBS3=              -2.7050          / ECLIPTIC VZ OF S/C (KM/S) EQUINOX     DATA-MIN=                    0          / MINIMUM PIXEL VALUE IN IMAGE          DATA-MAX=                  228          / MAXIMUM PIXEL VALUE IN IMAGE          CHECKSUM=               664392          / SUM OF ALL PIXEL VALUES IN IMAGE.     COMMENT ORBITAL DATA FROM PRELIMINARY ORBIT GIVEN BY IKI MARCH, 1986.           HISTORY   IN THE ORIGINAL RAW VERSION OF THIS IMAGE: 7 BIT ADC,                 HISTORY   8-BIT DEPTH, LOWEST BIT IS MEANINGLESS.                               HISTORY   CCD CELLS ARE OF SIZE 18 X 24 MICRONS.                                HISTORY   IMAGE ORIENTATION: THE PLANE OF ECLIPTIC IS PARALLEL TO X             HISTORY   AND THE PROJECTION OF ECLIPTIC NORTH POINTS FROM LAST TO 1ST          HISTORY   RECORD IN FILE. EAST IS AT 1ST COLUMN (AXIS X).                       HISTORY   ELECTRONIC NOISE PRESENT.                                             HISTORY   CCD PLANE WAS OUT-OF FOCUS.                                           HISTORY   ALL DN VALUES HAVE BEEN SHIFTED DOWN BY AN OFFSET.                    END