PDS_VERSION_ID = PDS3 RECORD_TYPE = FIXED_LENGTH RECORD_BYTES = 3069 FILE_RECORDS = 4541 ^IMAGE_INDEX_TABLE = "index.tab" OBJECT = IMAGE_INDEX_TABLE INDEX_TYPE = SINGLE INTERCHANGE_FORMAT = ASCII ROWS = 4541 ROW_BYTES = 3069 COLUMNS = 119 OBJECT = COLUMN NAME = FILE_NAME DATA_TYPE = CHARACTER START_BYTE = 2 BYTES = 22 FORMAT = A22 DESCRIPTION = "The name of the image file as stored on the archive media." END_OBJECT = COLUMN OBJECT = COLUMN NAME = FILE_SPECIFICATION_NAME DATA_TYPE = CHARACTER START_BYTE = 27 BYTES = 48 FORMAT = A48 DESCRIPTION = "Path name locating images in DATA directory on data set volumes." END_OBJECT = COLUMN OBJECT = COLUMN NAME = VOLUME_ID DATA_TYPE = CHARACTER START_BYTE = 78 BYTES = 11 FORMAT = A11 DESCRIPTION = "The volume on which the product is stored." END_OBJECT = COLUMN OBJECT = COLUMN NAME = ANTIBLOOMING_STATE_FLAG DATA_TYPE = CHARACTER START_BYTE = 92 BYTES = 4 FORMAT = A4 DESCRIPTION = "Indicator of whether antiblooming was used for this image." END_OBJECT = COLUMN OBJECT = COLUMN NAME = BIAS_STRIP_MEAN DATA_TYPE = ASCII_REAL START_BYTE = 98 BYTES = 11 FORMAT = "F11.6" DESCRIPTION = "Mean value of the overclocked pixel values from all lines except the first and last. Not affected by light or dark current." END_OBJECT = COLUMN OBJECT = COLUMN NAME = CALIBRATION_LAMP_STATE_FLAG DATA_TYPE = CHARACTER START_BYTE = 111 BYTES = 4 FORMAT = A4 DESCRIPTION = "Indicates whether calibration lamp was used for this image. (ISSNA has none, so it's always 'N/A')" END_OBJECT = COLUMN OBJECT = COLUMN NAME = COMMAND_FILE_NAME DATA_TYPE = CHARACTER START_BYTE = 118 BYTES = 64 FORMAT = A64 DESCRIPTION = "The name of the IOI file containing the observation description for this product - sent from the ISS Team Lead to IO." END_OBJECT = COLUMN OBJECT = COLUMN NAME = COMMAND_SEQUENCE_NUMBER DATA_TYPE = INTEGER START_BYTE = 184 BYTES = 11 FORMAT = I11 DESCRIPTION = "Numeric identifier for a sequence of commands sent to the spacecraft. Also known as 'trigger number'. (Comes from the TRIGGER_NUMBER keyword in the IOI file.) Note that 1-12 are reserved for IO use and 8 is reserved for OpNav." END_OBJECT = COLUMN OBJECT = COLUMN NAME = DARK_STRIP_MEAN DATA_TYPE = ASCII_REAL START_BYTE = 196 BYTES = 11 FORMAT = "F11.6" DESCRIPTION = "Mean value of the extended pixel values from all lines except the first and last. Not affected by light, but by dark current and Dark Band problem." END_OBJECT = COLUMN OBJECT = COLUMN NAME = DATA_CONVERSION_TYPE DATA_TYPE = CHARACTER START_BYTE = 209 BYTES = 5 FORMAT = A5 DESCRIPTION = "The method of conversion used to convert image from 12 to 8 bits selected for this image. '12BIT' = no conversion 'TABLE' = conversion by look-up table '8LSB' = keep only the 8 least significant bits" END_OBJECT = COLUMN OBJECT = COLUMN NAME = DATA_SET_ID DATA_TYPE = CHARACTER START_BYTE = 217 BYTES = 40 FORMAT = A40 DESCRIPTION = "PDS/Cassini-supplied name for this data set." END_OBJECT = COLUMN OBJECT = COLUMN NAME = DELAYED_READOUT_FLAG DATA_TYPE = CHARACTER START_BYTE = 260 BYTES = 4 FORMAT = A4 DESCRIPTION = "Indicator of whether the image may have waited on the CCD while the other camera was performing a readout." END_OBJECT = COLUMN OBJECT = COLUMN NAME = DESCRIPTION DATA_TYPE = CHARACTER START_BYTE = 267 BYTES = 255 FORMAT = A255 DESCRIPTION = "Descriptive comment up to 255 characters. Populated by IO telemetry processing, validation and reconciliation software to describe known limitations of this product." END_OBJECT = COLUMN OBJECT = COLUMN NAME = DETECTOR_TEMPERATURE DATA_TYPE = ASCII_REAL START_BYTE = 524 BYTES = 11 FORMAT = "F11.6" UNIT = "CELSIUS DEGREE" DESCRIPTION = "Temperature of CCD in Celsius degrees." END_OBJECT = COLUMN OBJECT = COLUMN NAME = EARTH_RECEIVED_START_TIME DATA_TYPE = TIME START_BYTE = 536 BYTES = 22 FORMAT = A22 DESCRIPTION = "Earth Received time of the earliest record containing valid data for this image (UTC)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = EARTH_RECEIVED_STOP_TIME DATA_TYPE = TIME START_BYTE = 559 BYTES = 22 FORMAT = A22 DESCRIPTION = "Earth Received time of the latest record containing valid data for this image (UTC)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = ELECTRONICS_BIAS DATA_TYPE = INTEGER START_BYTE = 582 BYTES = 11 FORMAT = I11 DESCRIPTION = "Commanded electronics bias to ensure that all DN values are greater than zero. (Comes from the VIDEO_OFFSET keyword in the IOI file.)" END_OBJECT = COLUMN OBJECT = COLUMN NAME = EXPECTED_MAXIMUM DATA_TYPE = ASCII_REAL START_BYTE = 594 BYTES = 23 ITEMS = 2 ITEM_BYTES = 11 ITEM_OFFSET = 12 DESCRIPTION = "2-valued array. First, represents the ratio of the expected maximum DN in the image to the VALID_MAXIMUM (full well DN). Second, represents the ratio of the expected maximum DN in the image to the VALID_MAXIMUM (maxDN)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = EXPECTED_PACKETS DATA_TYPE = INTEGER START_BYTE = 618 BYTES = 11 FORMAT = I11 DESCRIPTION = "This keyword provides the total number of packets expected to be stored on the SSR for this image. To convert to volume in bits, multiply this value by 7616 bits/packet. (Comes from the EXPECTED_PACKETS keyword in the IOI file.)" END_OBJECT = COLUMN OBJECT = COLUMN NAME = EXPOSURE_DURATION DATA_TYPE = ASCII_REAL START_BYTE = 630 BYTES = 11 FORMAT = "F11.1" UNIT = "MILLISECOND" DESCRIPTION = "Exposure duration for the image in milliseconds. 63 distinct values from 0 to 1200000. (See table in AppendixA.) -999.0 if extended header is unavailable" END_OBJECT = COLUMN OBJECT = COLUMN NAME = FILTER_NAME DATA_TYPE = CHARACTER START_BYTE = 643 BYTES = 13 ITEMS = 2 ITEM_BYTES = 5 ITEM_OFFSET = 8 DESCRIPTION = "2-valued array. First, filters used on filter wheel 1. Second, filters used on filter wheel 2." END_OBJECT = COLUMN OBJECT = COLUMN NAME = FILTER_TEMPERATURE DATA_TYPE = ASCII_REAL START_BYTE = 658 BYTES = 11 FORMAT = "F11.6" UNIT = "CELSIUS DEGREE" DESCRIPTION = "Temperature of the filter wheels." END_OBJECT = COLUMN OBJECT = COLUMN NAME = FLIGHT_SOFTWARE_VERSION_ID DATA_TYPE = CHARACTER START_BYTE = 671 BYTES = 4 FORMAT = A4 DESCRIPTION = "Indicates version of instrument flight software used to acquire image." END_OBJECT = COLUMN OBJECT = COLUMN NAME = GAIN_MODE_ID DATA_TYPE = CHARACTER START_BYTE = 678 BYTES = 20 FORMAT = A20 DESCRIPTION = "The electronics gain setting selected for this image, given in units of electrons per DN. (This is an approximate value so both cameras can use the same set of values.)" END_OBJECT = COLUMN OBJECT = COLUMN NAME = IMAGE_MID_TIME DATA_TYPE = TIME START_BYTE = 700 BYTES = 22 FORMAT = A22 DESCRIPTION = "Exposure mid-time calculated from spacecraft clock using both the coarse (seconds) and fine (subRTI) counters (UTC). (A subRTI is approximately 4 msec (1/256 second)). This value is calculated from the SPACECRAFT_CLOCK_STOP_COUNT - (EXPOSURE_DURATION/ 2) then converted to UTC. When the shutter was inhibited (ie SHUTTER_STATE_ID='DISABLED'), the IMAGE_MID_TIME = START_TIME = STOP_TIME, and all three represent the start of the exposure window during the prepare cycle of the image." END_OBJECT = COLUMN OBJECT = COLUMN NAME = IMAGE_NUMBER DATA_TYPE = CHARACTER START_BYTE = 724 BYTES = 10 FORMAT = A10 UNIT = "SECOND" DESCRIPTION = "The seconds portion of the spacecraft clock at shutter close." END_OBJECT = COLUMN OBJECT = COLUMN NAME = IMAGE_OBSERVATION_TYPE DATA_TYPE = CHARACTER START_BYTE = 737 BYTES = 48 FORMAT = A48 DESCRIPTION = "A multi-valued list describing the purpose(s) of this image, for example, OPNAV, science, calibration, engineering and/or support imaging. (Comes from the IMAGE_OBSERVATION_TYPE_* keywords in the IOI file parameter set description.) This list can contain up to five values where the purposes of the image are identified. More than one value may be specified." END_OBJECT = COLUMN OBJECT = COLUMN NAME = IMAGE_TIME DATA_TYPE = TIME START_BYTE = 787 BYTES = 22 FORMAT = A22 DESCRIPTION = "Time of shutter close calculated from spacecraft clock using both the coarse (seconds) and fine (subRTI) counters (UTC). (A subRTI is approximately 4 msec (1/256 second)). When the shutter was inhibited (ie SHUTTER_STATE_ID='DISABLED'), the IMAGE_TIME = START_TIME = STOP_TIME, and all three represent the start of the exposure window during the prepare cycle of the image." END_OBJECT = COLUMN OBJECT = COLUMN NAME = INSTRUMENT_DATA_RATE DATA_TYPE = ASCII_REAL START_BYTE = 810 BYTES = 11 FORMAT = "F11.6" UNIT = "KILOBITS/SECOND" DESCRIPTION = "The rate at which data was transferred out of instrument. -999.0 if channelized data and extended header are unavailable." END_OBJECT = COLUMN OBJECT = COLUMN NAME = INSTRUMENT_HOST_NAME DATA_TYPE = CHARACTER START_BYTE = 823 BYTES = 15 FORMAT = A15 DESCRIPTION = "Name of the spacecraft upon which this instrument resides." END_OBJECT = COLUMN OBJECT = COLUMN NAME = INSTRUMENT_ID DATA_TYPE = CHARACTER START_BYTE = 841 BYTES = 5 FORMAT = A5 DESCRIPTION = "Indicator of which camera took this image." END_OBJECT = COLUMN OBJECT = COLUMN NAME = INSTRUMENT_MODE_ID DATA_TYPE = CHARACTER START_BYTE = 849 BYTES = 4 FORMAT = A4 DESCRIPTION = "The summation mode used for this image." END_OBJECT = COLUMN OBJECT = COLUMN NAME = INSTRUMENT_NAME DATA_TYPE = CHARACTER START_BYTE = 856 BYTES = 38 FORMAT = A38 DESCRIPTION = "Name of the CASSINI Instrument which acquired the image data." END_OBJECT = COLUMN OBJECT = COLUMN NAME = INST_CMPRS_PARAM DATA_TYPE = INTEGER START_BYTE = 896 BYTES = 47 ITEMS = 4 ITEM_BYTES = 11 ITEM_OFFSET = 12 DESCRIPTION = "4-valued array. First, the lossy compression MALGO (algorithm) parameter. MALGO. Second, the lossy compression TB (block type) parameter. TB. Third, the lossy compression group-of-blocks (number of blocks per group) parameter. GOB. Fouth, the lossy compression the compression rate parameter (quantization factor). QF. " END_OBJECT = COLUMN OBJECT = COLUMN NAME = INST_CMPRS_RATE DATA_TYPE = ASCII_REAL START_BYTE = 944 BYTES = 23 ITEMS = 2 ITEM_BYTES = 11 ITEM_OFFSET = 12 UNIT = "BITS/PIXEL" DESCRIPTION = "2-valued array. First, the expected average number of bits and comes from the BITS_PER_PIXEL keyword in the IOI file. Second, the actual average number of bits and is calculated during telemetry processing." END_OBJECT = COLUMN OBJECT = COLUMN NAME = INST_CMPRS_RATIO DATA_TYPE = ASCII_REAL START_BYTE = 968 BYTES = 9 FORMAT = "F9.6" DESCRIPTION = "Ratio of expected image size to size of image received. (Calculation of this value does not include data outages due to truncated readouts or data lost in transmission.)" END_OBJECT = COLUMN OBJECT = COLUMN NAME = INST_CMPRS_TYPE DATA_TYPE = CHARACTER START_BYTE = 979 BYTES = 8 FORMAT = A8 DESCRIPTION = "Compression type used for the image." END_OBJECT = COLUMN OBJECT = COLUMN NAME = LIGHT_FLOOD_STATE_FLAG DATA_TYPE = CHARACTER START_BYTE = 990 BYTES = 4 FORMAT = A4 DESCRIPTION = "Indicator of whether Light Flood was used just prior to taking this image." END_OBJECT = COLUMN OBJECT = COLUMN NAME = METHOD_DESC DATA_TYPE = CHARACTER START_BYTE = 997 BYTES = 75 FORMAT = A75 DESCRIPTION = "This keyword describes the information and/or algorithm used to calculate the I/F value used by the ISS team to determine the EXPOSURE_DURATION. (Limited to char(75)). (Comes from the METHOD_DESC keyword in the IOI file.)" END_OBJECT = COLUMN OBJECT = COLUMN NAME = MISSING_LINES DATA_TYPE = INTEGER START_BYTE = 1074 BYTES = 11 FORMAT = I11 DESCRIPTION = "For non-lossy compressed data only, number of missing or incomplete image lines. For all data, including lossy compressed images, when data is missing, the missing pixel values are replaced by 0. 'N/A' for lossy compressed data." END_OBJECT = COLUMN OBJECT = COLUMN NAME = MISSING_PACKET_FLAG DATA_TYPE = CHARACTER START_BYTE = 1087 BYTES = 4 FORMAT = A4 DESCRIPTION = "Indicator of whether consecutive packets were received. If set to 'YES', this flag indicates that packets needed to construct a complete image were missing. If set to 'NO', all consecutive packets were received. However, data may be missing at the beginning or end of the image. In this case, missing data would be reflected in the MISSING_LINES keyword for non-lossy data, and through visual inspection for lossy compressed data. " END_OBJECT = COLUMN OBJECT = COLUMN NAME = MISSION_NAME DATA_TYPE = CHARACTER START_BYTE = 1094 BYTES = 15 FORMAT = A15 DESCRIPTION = "Mission name associated with this image." END_OBJECT = COLUMN OBJECT = COLUMN NAME = MISSION_PHASE_NAME DATA_TYPE = CHARACTER START_BYTE = 1112 BYTES = 32 FORMAT = A32 DESCRIPTION = "Mission phase of which this image is a part." END_OBJECT = COLUMN OBJECT = COLUMN NAME = OBSERVATION_ID DATA_TYPE = CHARACTER START_BYTE = 1147 BYTES = 32 FORMAT = A32 DESCRIPTION = "Name of observation of which this image is a part." END_OBJECT = COLUMN OBJECT = COLUMN NAME = OPTICS_TEMPERATURE DATA_TYPE = ASCII_REAL START_BYTE = 1181 BYTES = 23 ITEMS = 2 ITEM_BYTES = 11 ITEM_OFFSET = 12 UNIT = "CELSIUS DEGREE" DESCRIPTION = "2-valued array. First, temperature of front optics in Celsius degrees. Note that there is no rear optics temperature for the WAC camera, so when INSTRUMENT_ID = ISSWA, the second element of the array will always be -999.0. (-999.0, -999.0) if the extended header is unavailable. Second, temperature of rear optics in Celsius degrees. Note that there is no rear optics temperature for the WAC camera, so when INSTRUMENT_ID = ISSWA, the second element of the array will always be -999.0. (-999.0, -999.0) if the extended header is unavailable." END_OBJECT = COLUMN OBJECT = COLUMN NAME = ORDER_NUMBER DATA_TYPE = INTEGER START_BYTE = 1205 BYTES = 11 FORMAT = I11 DESCRIPTION = "Identifier provided by Team Lead for this image which is unique within the IOI file. This value will not be unique for parameter sets described in the IOI file with ITERATION_COUNT > 1 or with LOOP_COUNT > 1 " END_OBJECT = COLUMN OBJECT = COLUMN NAME = PARALLEL_CLOCK_VOLTAGE_INDEX DATA_TYPE = INTEGER START_BYTE = 1217 BYTES = 11 FORMAT = I11 DESCRIPTION = "Commanded parallel clock voltage index. Controls clocking frequency. (Comes from the PC_VOLTAGE keyword in the IOI file.)" END_OBJECT = COLUMN OBJECT = COLUMN NAME = PREPARE_CYCLE_INDEX DATA_TYPE = INTEGER START_BYTE = 1229 BYTES = 11 FORMAT = I11 DESCRIPTION = "The element number within the Prepare Cycle table selected for this image. (see Appendix B tables)" END_OBJECT = COLUMN OBJECT = COLUMN NAME = PRODUCT_CREATION_TIME DATA_TYPE = TIME START_BYTE = 1241 BYTES = 22 FORMAT = A22 DESCRIPTION = "Time of creation of this image on the ground (Pacific local time)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = PRODUCT_ID DATA_TYPE = CHARACTER START_BYTE = 1265 BYTES = 18 FORMAT = A18 DESCRIPTION = "Unique identifier for each image commanded. Required by PDS/Cassini. The PRODUCT_ID will be constructed: SPACECRAFT_CLOCK_CNT_PARTITION'_'ISPACECRAFT_CLOCK_STOP_CO UNT, where I is 'N' if the INSTRUMENT_ID is 'ISSNA', and I is 'W' if the INSTRUMENT_ID is 'ISSWA'. " END_OBJECT = COLUMN OBJECT = COLUMN NAME = PRODUCT_VERSION_TYPE DATA_TYPE = CHARACTER START_BYTE = 1286 BYTES = 11 FORMAT = A11 DESCRIPTION = "Identifies the version of an individual data product. Always 'FINAL' for products archived with PDS/Cassini. 'PRELIMINARY' indicates additional processing is underway at IO/MIPL, for instance, to recover additional telemetry if possible. " END_OBJECT = COLUMN OBJECT = COLUMN NAME = READOUT_CYCLE_INDEX DATA_TYPE = INTEGER START_BYTE = 1299 BYTES = 11 FORMAT = I11 DESCRIPTION = "The element number within the Readout Cycle table selected for this image. (see Appendix B tables)" END_OBJECT = COLUMN OBJECT = COLUMN NAME = RECEIVED_PACKETS DATA_TYPE = INTEGER START_BYTE = 1311 BYTES = 11 FORMAT = I11 DESCRIPTION = "This keyword provides the actual number of packets received from the SSR for this image. To convert to volume in bits, multiply this value by 7616 bits/packet. This value reflects data received. In the event the image is incomplete due to an outage in the transmission, this field will not be an accurate indicator of actual volume on the SSR. " END_OBJECT = COLUMN OBJECT = COLUMN NAME = SENSOR_HEAD_ELEC_TEMPERATURE DATA_TYPE = ASCII_REAL START_BYTE = 1323 BYTES = 11 FORMAT = "F11.6" DESCRIPTION = "Temperature of the sensor head electronics." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SEQUENCE_ID DATA_TYPE = CHARACTER START_BYTE = 1336 BYTES = 4 FORMAT = A4 DESCRIPTION = "Identifies the segment associated with this image. Note that this keyword does not come from the IOI file. Ex: 'C22', 'S19'" END_OBJECT = COLUMN OBJECT = COLUMN NAME = SEQUENCE_NUMBER DATA_TYPE = INTEGER START_BYTE = 1342 BYTES = 11 FORMAT = I11 DESCRIPTION = "Indicates the order in which this image was expected to be taken within the given observation (OBSERVATION_ID). " END_OBJECT = COLUMN OBJECT = COLUMN NAME = SEQUENCE_TITLE DATA_TYPE = CHARACTER START_BYTE = 1355 BYTES = 60 FORMAT = A60 DESCRIPTION = "The name assigned by the Team Lead for the activity of which this image is a part. Comes from the SEQUENCE_TITLE keyword in the IOI file. Limited to 30 characters. Example = ???." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SHUTTER_MODE_ID DATA_TYPE = CHARACTER START_BYTE = 1418 BYTES = 7 FORMAT = A7 DESCRIPTION = "Indicator of whether this exposure was part of a joint observation with the other ISS camera." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SHUTTER_STATE_ID DATA_TYPE = CHARACTER START_BYTE = 1428 BYTES = 8 FORMAT = A8 DESCRIPTION = "Indicator of whether the shutter was enabled during the exposure." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SOFTWARE_VERSION_ID DATA_TYPE = CHARACTER START_BYTE = 1439 BYTES = 20 FORMAT = A20 DESCRIPTION = "Ground software version used to generate this image." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SPACECRAFT_CLOCK_CNT_PARTITION DATA_TYPE = INTEGER START_BYTE = 1461 BYTES = 4 FORMAT = I4 DESCRIPTION = "Indicates the clock partition active for the SPACECRAFT_CLOCK_START_COUNT and SPACECRAFT_CLOCK_STOP_COU NT elements. Remains at '1' unless the spacecraft clock rolls over or is reset." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SPACECRAFT_CLOCK_START_COUNT DATA_TYPE = CHARACTER START_BYTE = 1467 BYTES = 16 FORMAT = A16 DESCRIPTION = "The seconds and subRTI portions of the spacecraft clock at shutter open. Calculated from spacecraft clock of shutter close less the exposure duration. When the shutter was inhibited (ie SHUTTER_STATE_ID='DISAB LED'), the SPACECRAFT_CLOCK_START_COUNT = SPACECRAFT_CLOCK _STOP_COUNT, and both represent the start of the exposure window during the prepare cycle of the image. EX: '832898283.123'" END_OBJECT = COLUMN OBJECT = COLUMN NAME = SPACECRAFT_CLOCK_STOP_COUNT DATA_TYPE = CHARACTER START_BYTE = 1486 BYTES = 16 FORMAT = A16 DESCRIPTION = "The seconds and subRTI portions of the spacecraft clock at shutter close. (A subRTI is approximately 4 msec (1/256 second)). When the shutter was inhibited (ie SHUTTER_STATE_ID='DISABLED'), the SPACECRAFT_CLOCK_STA RT_COUNT = SPACECRAFT_CLOCK_STOP_COUNT, and both represent the start of the exposure window during the prepare cycle of the image. EX: '832898284.456'" END_OBJECT = COLUMN OBJECT = COLUMN NAME = START_TIME DATA_TYPE = TIME START_BYTE = 1504 BYTES = 22 FORMAT = A22 DESCRIPTION = "Time of shutter open. Calculated from spacecraft clock of shutter close less the exposure duration. Expressed in UTC format, and includes subRTI resolution. (A subRTI is approximately 4 msec (1/256 second)). When the shutter was inhibited (ie SHUTTER_STATE_ID='DISAB LED'), the START_TIME = STOP_TIME, and both represent the start of the exposure window during the prepare cycle of the image. EX: 1996-158T05:53:34.000Z" END_OBJECT = COLUMN OBJECT = COLUMN NAME = STOP_TIME DATA_TYPE = TIME START_BYTE = 1527 BYTES = 22 FORMAT = A22 DESCRIPTION = "Time of shutter close from spacecraft clock (UTC). Identical to IMAGE_TIME. Includes subRTI resolution. (A subRTI is approximately 4 msec (1/256 second)). When the shutter was inhibited (ie SHUTTER_STATE_ID='DISAB LED'), the START_TIME = STOP_TIME, and both represent the start of the exposure window during the prepare cycle of the image. EX: 1996-158T05:53:34.000Z " END_OBJECT = COLUMN OBJECT = COLUMN NAME = TARGET_DESC DATA_TYPE = CHARACTER START_BYTE = 1551 BYTES = 75 FORMAT = A75 DESCRIPTION = "The name of the intended target for which the exposure was calculated/selected in the given image. May include calibration type information. Limited to 75 characters. (Comes from the TARGET_DESC keyword in the IOI file.)" END_OBJECT = COLUMN OBJECT = COLUMN NAME = TARGET_NAME DATA_TYPE = CHARACTER START_BYTE = 1629 BYTES = 24 FORMAT = A24 DESCRIPTION = "Identifies a target. The target may be a planet, satellite, ring, region, feature, asteroid or comet." END_OBJECT = COLUMN OBJECT = COLUMN NAME = TELEMETRY_FORMAT_ID DATA_TYPE = CHARACTER START_BYTE = 1656 BYTES = 16 FORMAT = A16 DESCRIPTION = "The telemetry mode in effect when sending data from the instrument to the spacecraft computer." END_OBJECT = COLUMN OBJECT = COLUMN NAME = VALID_MAXIMUM DATA_TYPE = INTEGER START_BYTE = 1674 BYTES = 23 ITEMS = 2 ITEM_BYTES = 11 ITEM_OFFSET = 12 DESCRIPTION = "2-valued array. First, indicates the minimum full well saturation level of the instrument, which is a function of INSTRUMENT_MODE_ID, INSTRUMENT_ID, and GAIN_MODE_ID, expressed as a DN value. This may exceed 4095. Second, indicates the maximum DN saturation level for the signal returned by the A/D converter. Valid values are 255 and 4095. See Appendix B tables" END_OBJECT = COLUMN OBJECT = COLUMN NAME = CENTRAL_BODY_DISTANCE DATA_TYPE = ASCII_REAL START_BYTE = 1698 BYTES = 14 FORMAT = E14 UNIT = "KM" DESCRIPTION = "Distance from spacecraft to center of primary body." END_OBJECT = COLUMN OBJECT = COLUMN NAME = COORDINATE_SYSTEM_NAME DATA_TYPE = CHARACTER START_BYTE = 1714 BYTES = 32 FORMAT = A32 DESCRIPTION = "The full name of the coordinate system to which the state vectors are referenced." END_OBJECT = COLUMN OBJECT = COLUMN NAME = DECLINATION DATA_TYPE = ASCII_REAL START_BYTE = 1748 BYTES = 11 FORMAT = "F11.6" UNIT = "DEGREES" DESCRIPTION = "Declination of camera optic axis." END_OBJECT = COLUMN OBJECT = COLUMN NAME = EMISSION_ANGLE DATA_TYPE = ASCII_REAL START_BYTE = 1760 BYTES = 11 FORMAT = "F11.6" UNIT = "DEGREES" DESCRIPTION = "Emission angle at aimpoint on target." END_OBJECT = COLUMN OBJECT = COLUMN NAME = INCIDENCE_ANGLE DATA_TYPE = ASCII_REAL START_BYTE = 1772 BYTES = 11 FORMAT = "F11.6" UNIT = "DEGREES" DESCRIPTION = "Incidence angle at aimpoint on target." END_OBJECT = COLUMN OBJECT = COLUMN NAME = LOWER_LEFT_LATITUDE DATA_TYPE = ASCII_REAL START_BYTE = 1784 BYTES = 11 FORMAT = "F11.6" UNIT = "DEGREES" DESCRIPTION = "Planetocentric latitude of lower-left pixel." END_OBJECT = COLUMN OBJECT = COLUMN NAME = LOWER_LEFT_LONGITUDE DATA_TYPE = ASCII_REAL START_BYTE = 1796 BYTES = 11 FORMAT = "F11.6" UNIT = "DEGREES" DESCRIPTION = "West longitude of lower-left pixel." END_OBJECT = COLUMN OBJECT = COLUMN NAME = LOWER_RIGHT_LATITUDE DATA_TYPE = ASCII_REAL START_BYTE = 1808 BYTES = 11 FORMAT = "F11.6" UNIT = "DEGREES" DESCRIPTION = "Planetocentric latitude of lower-right pixel." END_OBJECT = COLUMN OBJECT = COLUMN NAME = LOWER_RIGHT_LONGITUDE DATA_TYPE = ASCII_REAL START_BYTE = 1820 BYTES = 11 FORMAT = "F11.6" UNIT = "DEGREES" DESCRIPTION = "West longitude of lower-right pixel." END_OBJECT = COLUMN OBJECT = COLUMN NAME = MAXIMUM_RING_RADIUS DATA_TYPE = ASCII_REAL START_BYTE = 1832 BYTES = 14 FORMAT = E14 UNIT = "KM" DESCRIPTION = "Maximum ringplane radius in image." END_OBJECT = COLUMN OBJECT = COLUMN NAME = MINIMUM_RING_RADIUS DATA_TYPE = ASCII_REAL START_BYTE = 1847 BYTES = 14 FORMAT = E14 UNIT = "KM" DESCRIPTION = "Minimum ringplane radius in image." END_OBJECT = COLUMN OBJECT = COLUMN NAME = NORTH_AZIMUTH_CLOCK_ANGLE DATA_TYPE = ASCII_REAL START_BYTE = 1862 BYTES = 11 FORMAT = "F11.6" UNIT = "DEGREES" DESCRIPTION = "Direction of the northward-pointing azimuth at the aimpoint on the target body, measured clock- wise." END_OBJECT = COLUMN OBJECT = COLUMN NAME = TARGET_NORTH_CLOCK_ANGLE DATA_TYPE = ASCII_REAL START_BYTE = 1874 BYTES = 11 FORMAT = "F11.6" UNIT = "DEGREES" DESCRIPTION = "Angle, about optic axis, between 'up' image direction and target pole projected onto image plane, measured clockwise." END_OBJECT = COLUMN OBJECT = COLUMN NAME = PHASE_ANGLE DATA_TYPE = ASCII_REAL START_BYTE = 1886 BYTES = 11 FORMAT = "F11.6" UNIT = "DEGREES" DESCRIPTION = "Phase angle at subspacecraft point on target." END_OBJECT = COLUMN OBJECT = COLUMN NAME = PIXEL_SCALE DATA_TYPE = ASCII_REAL START_BYTE = 1898 BYTES = 11 FORMAT = "F11.6" UNIT = "KM/PIXEL" DESCRIPTION = "Size of one pixel at subspacecraft point on target body." END_OBJECT = COLUMN OBJECT = COLUMN NAME = PLANET_CENTER DATA_TYPE = ASCII_REAL START_BYTE = 1910 BYTES = 23 ITEMS = 2 ITEM_BYTES = 11 ITEM_OFFSET = 12 DESCRIPTION = "2-valued array. First, Line of target body center. Second, Sample of target body center." END_OBJECT = COLUMN OBJECT = COLUMN NAME = RIGHT_ASCENSION DATA_TYPE = ASCII_REAL START_BYTE = 1934 BYTES = 11 FORMAT = "F11.6" UNIT = "DEGREES" DESCRIPTION = "Right ascension of camera optic axis." END_OBJECT = COLUMN OBJECT = COLUMN NAME = RING_CENTER_LATITUDE DATA_TYPE = ASCII_REAL START_BYTE = 1946 BYTES = 11 FORMAT = "F11.6" UNIT = "DEGREES" DESCRIPTION = "Planetocentric latitude at aimpoint on ring" END_OBJECT = COLUMN OBJECT = COLUMN NAME = RING_CENTER_LONGITUDE DATA_TYPE = ASCII_REAL START_BYTE = 1958 BYTES = 11 FORMAT = "F11.6" UNIT = "DEGREES" DESCRIPTION = "West longitude at aimpoint on ring" END_OBJECT = COLUMN OBJECT = COLUMN NAME = RING_EMISSION_ANGLE DATA_TYPE = ASCII_REAL START_BYTE = 1970 BYTES = 11 FORMAT = "F11.6" UNIT = "DEGREES" DESCRIPTION = "Emission angle relative to target ring northward- pointing normal at aimpoint." END_OBJECT = COLUMN OBJECT = COLUMN NAME = RING_INCIDENCE_ANGLE DATA_TYPE = ASCII_REAL START_BYTE = 1982 BYTES = 11 FORMAT = "F11.6" UNIT = "DEGREES" DESCRIPTION = "Incidence angle relative to target ring northward- pointing normal at aimpoint." END_OBJECT = COLUMN OBJECT = COLUMN NAME = RINGS_FLAG DATA_TYPE = CHARACTER START_BYTE = 1995 BYTES = 4 FORMAT = A4 DESCRIPTION = "If any part of the A, B, C, D, E, F, or G ring is visible in the image, this quantity is 'YES'; 'NO' otherwise." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SC_PLANET_POSITION_VECTOR DATA_TYPE = ASCII_REAL START_BYTE = 2001 BYTES = 44 ITEMS = 3 ITEM_BYTES = 14 ITEM_OFFSET = 15 UNIT = "KM" DESCRIPTION = "3-valued array. X, Y, Z components of the position vector from spacecraft to primary planet center, corrected for light-travel time and stellar aberration." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SC_PLANET_VELOCITY_VECTOR DATA_TYPE = ASCII_REAL START_BYTE = 2046 BYTES = 44 ITEMS = 3 ITEM_BYTES = 14 ITEM_OFFSET = 15 UNIT = "KM/SECOND" DESCRIPTION = "3-valued array. X, Y, Z components of the velocity vector of primary planet relative to spacecraft, corrected for light-travel time." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SC_SUN_POSITION_VECTOR DATA_TYPE = ASCII_REAL START_BYTE = 2091 BYTES = 44 ITEMS = 3 ITEM_BYTES = 14 ITEM_OFFSET = 15 UNIT = "KM" DESCRIPTION = "3-valued array. X, Y, Z components of the position vector from spacecraft to sun center, corrected for light-travel time and stellar aberration." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SC_SUN_VELOCITY_VECTOR DATA_TYPE = ASCII_REAL START_BYTE = 2136 BYTES = 44 ITEMS = 3 ITEM_BYTES = 14 ITEM_OFFSET = 15 UNIT = "KM/SECOND" DESCRIPTION = "3-valued array. X, Y, Z components of the velocity vector of sun relative to spacecraft, corrected for light-travel time." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SC_TARGET_POSITION_VECTOR DATA_TYPE = ASCII_REAL START_BYTE = 2181 BYTES = 44 ITEMS = 3 ITEM_BYTES = 14 ITEM_OFFSET = 15 UNIT = "KM" DESCRIPTION = "3-valued array. X, Y, Z components of the position vector from spacecraft to target center, corrected for light-travel time and stellar aberration." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SC_TARGET_VELOCITY_VECTOR DATA_TYPE = ASCII_REAL START_BYTE = 2226 BYTES = 44 ITEMS = 3 ITEM_BYTES = 14 ITEM_OFFSET = 15 UNIT = "KM/SECOND" DESCRIPTION = "3-valued array. X, Y, Z components of the velocity vector of the target relative to spacecraft, corrected for light-travel time." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SPICE_PRODUCT_ID DATA_TYPE = CHARACTER START_BYTE = 2272 BYTES = 255 FORMAT = A255 DESCRIPTION = "The names of the SPICE files used in processing the data." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SUB_SOLAR_LATITUDE DATA_TYPE = ASCII_REAL START_BYTE = 2529 BYTES = 11 FORMAT = "F11.6" UNIT = "DEGREES" DESCRIPTION = "Planetocentric latitude of subsolar point on target; Ring_Subsolar_Latitude if target is a ring." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SUB_SOLAR_LONGITUDE DATA_TYPE = ASCII_REAL START_BYTE = 2541 BYTES = 11 FORMAT = "F11.6" UNIT = "DEGREES" DESCRIPTION = "West longitude of subsolar point on target; Ring_Subsolar _Longitude if target is a ring." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SUB_SPACECRAFT_LATITUDE DATA_TYPE = ASCII_REAL START_BYTE = 2553 BYTES = 11 FORMAT = "F11.6" UNIT = "DEGREES" DESCRIPTION = "Planetocentric latitude of subspacecraft point on target; Ring_Subspacecraft_Latitude if target is a ring." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SUB_SPACECRAFT_LONGITUDE DATA_TYPE = ASCII_REAL START_BYTE = 2565 BYTES = 11 FORMAT = "F11.6" UNIT = "DEGREES" DESCRIPTION = "West longitude of subspacecraft point on target; Ring_Subspacecraft_Longitude if target is a ring." END_OBJECT = COLUMN OBJECT = COLUMN NAME = CENTER_LATITUDE DATA_TYPE = ASCII_REAL START_BYTE = 2577 BYTES = 11 FORMAT = "F11.6" UNIT = "DEGREES" DESCRIPTION = "Planetocentric latitude at aimpoint on target (or Ring_Aimpoint_Latitude if target is a ring)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = CENTER_LONGITUDE DATA_TYPE = ASCII_REAL START_BYTE = 2589 BYTES = 11 FORMAT = "F11.6" UNIT = "DEGREES" DESCRIPTION = "West longitude at aimpoint on target (or Ring_Aimpoint_Lo ngitude if target is a ring)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = TARGET_DISTANCE DATA_TYPE = ASCII_REAL START_BYTE = 2601 BYTES = 14 FORMAT = E14 UNIT = "KM" DESCRIPTION = "Distance from the spacecraft to the center of the target." END_OBJECT = COLUMN OBJECT = COLUMN NAME = TARGET_EASTERNMOST_LONGITUDE DATA_TYPE = ASCII_REAL START_BYTE = 2616 BYTES = 11 FORMAT = "F11.6" UNIT = "DEGREES" DESCRIPTION = "Easternmost longitude visible on target body." END_OBJECT = COLUMN OBJECT = COLUMN NAME = TARGET_NORTHERNMOST_LATITUDE DATA_TYPE = ASCII_REAL START_BYTE = 2628 BYTES = 11 FORMAT = "F11.6" UNIT = "DEGREES" DESCRIPTION = "Northernmost latitude visible on target body." END_OBJECT = COLUMN OBJECT = COLUMN NAME = TARGET_SOUTHERNMOST_LATITUDE DATA_TYPE = ASCII_REAL START_BYTE = 2640 BYTES = 11 FORMAT = "F11.6" UNIT = "DEGREES" DESCRIPTION = "Southernmost latitude visible on target body." END_OBJECT = COLUMN OBJECT = COLUMN NAME = TARGET_WESTERNMOST_LONGITUDE DATA_TYPE = ASCII_REAL START_BYTE = 2652 BYTES = 11 FORMAT = "F11.6" UNIT = "DEGREES" DESCRIPTION = "Westernmost longitude visible on target body." END_OBJECT = COLUMN OBJECT = COLUMN NAME = TWIST_ANGLE DATA_TYPE = ASCII_REAL START_BYTE = 2664 BYTES = 11 FORMAT = "F11.6" UNIT = "DEGREES" DESCRIPTION = "Twist angle of optic axis." END_OBJECT = COLUMN OBJECT = COLUMN NAME = TARGET_LIST DATA_TYPE = CHARACTER START_BYTE = 2677 BYTES = 255 FORMAT = A255 DESCRIPTION = "Name of each body visible in the image. A body is included if any part of its limb is not hidden by another body. Bodies may be obscured by rings." END_OBJECT = COLUMN OBJECT = COLUMN NAME = UPPER_LEFT_LATITUDE DATA_TYPE = ASCII_REAL START_BYTE = 2934 BYTES = 11 FORMAT = "F11.6" UNIT = "DEGREES" DESCRIPTION = "Planetocentric latitude of upper-left pixel." END_OBJECT = COLUMN OBJECT = COLUMN NAME = UPPER_LEFT_LONGITUDE DATA_TYPE = ASCII_REAL START_BYTE = 2946 BYTES = 11 FORMAT = "F11.6" UNIT = "DEGREES" DESCRIPTION = "West longitude of upper-left pixel." END_OBJECT = COLUMN OBJECT = COLUMN NAME = UPPER_RIGHT_LATITUDE DATA_TYPE = ASCII_REAL START_BYTE = 2958 BYTES = 11 FORMAT = "F11.6" UNIT = "DEGREES" DESCRIPTION = "Planetocentric latitude of upper-right pixel." END_OBJECT = COLUMN OBJECT = COLUMN NAME = UPPER_RIGHT_LONGITUDE DATA_TYPE = ASCII_REAL START_BYTE = 2970 BYTES = 11 FORMAT = "F11.6" UNIT = "DEGREES" DESCRIPTION = "West longitude of upper-right pixel." END_OBJECT = COLUMN OBJECT = COLUMN NAME = DATA_SET_NAME DATA_TYPE = CHARACTER START_BYTE = 2983 BYTES = 60 FORMAT = A60 DESCRIPTION = "The name given to the Cassini ISS EDR image data set." END_OBJECT = COLUMN OBJECT = COLUMN NAME = INSTRUMENT_HOST_ID DATA_TYPE = CHARACTER START_BYTE = 3046 BYTES = 4 FORMAT = A4 DESCRIPTION = "Unique identifier for the host where the instrument is located." END_OBJECT = COLUMN OBJECT = COLUMN NAME = PRODUCT_TYPE DATA_TYPE = CHARACTER START_BYTE = 3053 BYTES = 4 FORMAT = A4 DESCRIPTION = "Identifies the type of a data product within the data set." END_OBJECT = COLUMN OBJECT = COLUMN NAME = STANDARD_DATA_PRODUCT_ID DATA_TYPE = CHARACTER START_BYTE = 3060 BYTES = 7 FORMAT = A7 DESCRIPTION = "Used to link a data product (file) to a standard data product (collection of similar files) described within software interface specification document for a particular data set. " END_OBJECT = COLUMN END_OBJECT = IMAGE_INDEX_TABLE END