SIMPLE  =                    T          / T CONFORMS TO STANDARD FITS FORMAT    BITPIX  =                    8          / VRT FILE: HEADER=THE FIRST 512 BYTES  NAXIS   =                    2                                                  NAXIS1  =                  512          / PIXELS/ROW (X)                        NAXIS2  =                  512          / ROWS       (Y)                        BZERO   =                  0.0                                                  BSCALE  =                  1.0                                                  OBJECT  = 'P/HALLEY'                    / IN-SITU OBSERVATION                   FILE-NUM=               020308          / IHW ARCHIVE NO                        DATE-OBS= '09/03/86'                    / ON-BOARD UT DATE OF EXPOSURE          TIME-OBS=              0.30880          / ON-BOARD UT TIME OF EXPOSURE (DAY)    DATE-REL= '09/20/92'                    / ARCHIVE FILE WRITTEN                  DISCIPLN= 'VEGA-2/TVS'                  / SPACECRAFT ID                         LONG-OBS= '999/99/99'                   / IHW ARCHIVE KEY DEFINITION            LAT--OBS= '+99/99/99'                   / IHW ARCHIVE KEY DEFINITION            SYSTEM  = '05009920'                    / 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 = ' 1202   '                    / SOVIET SPACE RES. INST. NO            LPL-NUM = ' 1202   '                    / LPL NO                                TIM--OBS= '07:24:40'                    / ON-BOARD UT TIME OF EXPOSURE          COMMENT   IN (HH:MM:SS)                                                         TIME-ENC=               280.50          / 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  = 'GLS     '                    / TRANSMISSION FILTER CODE              EXPOSURE=                 0.32          / EXPOSURE TIME (SEC)                   TEMP-CCD=                -60.0          / SYSTEM TEMPERATURE (DEGREE CELSIUS)   COMMENT CRDPIX1 = 0.00 / FRAME UPPER-LEFT CORNER X0 ON CCD                      COMMENT CRDPIX2 = 0.00 / FRAME UPPER-LEFT CORNER Y0 ON CCD                      RANGE   =             22970.00          / COMPUTED DISTANCE TO NUCLEUS (KM)     SCALEX  =                 0.34          / COMPUTED X-DIRECTION SCALE (KM/PIX)   SCALEY  =                 0.46          / COMPUTED Y-DIRECTION SCALE (KM/PIX)   PHASEANG=                46.80          / SUN-COMET-S/C PHASE ANGLE (DEGREES)   SUNANG  =               258.90          / SUN DIRECTION TO IMAGE Y-AXIS (DEG)   EQUINOX =               1986.2          / MEAN EQUATOR AND EQUINOX OF THE DATE  VEL-HAL1=             -43.9394          / ECLIPTIC VX OF COMET (KM/S) EQUINOX   VEL-HAL2=              2.71593          / ECLIPTIC VY OF COMET (KM/S) EQUINOX   VEL-HAL3=             -11.4951          / ECLIPTIC VZ OF COMET (KM/S) EQUINOX   VEL-OBS1=              31.6546          / ECLIPTIC VX OF S/C (KM/S) EQUINOX     VEL-OBS2=             -11.6615          / ECLIPTIC VY OF S/C (KM/S) EQUINOX     VEL-OBS3=              -1.8872          / ECLIPTIC VZ OF S/C (KM/S) EQUINOX     DATA-MIN=                    0          / MINIMUM PIXEL VALUE IN IMAGE          DATA-MAX=                  255          / MAXIMUM PIXEL VALUE IN IMAGE          CHECKSUM=             16639038          / SUM OF ALL PIXEL VALUES IN IMAGE.     COMMENT ORBITAL DATA FROM PRELIMINARY ORBIT GIVEN BY IKI MARCH, 1986.           HISTORY   RAW IMAGE.                                                            HISTORY   IN THE ORIGINAL RAW VERSION OF THIS IMAGE: 7 BIT ADC,                 HISTORY   8-BIT DEPTH, LOWEST BIT IS MEANINGLESS.                               HISTORY   TELEMETRY 8-BIT, 3RD LEAST SIGNIFICANT BIT STUCK TO 1.                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   FLAT-FIELD IHW NO/LPL NO/CALIBRATION ID =                             HISTORY    601/1301/HOMV1GLS03                                                  END