!  File:  2772C.PROP
!  Database:  PEPDB
!  Date:  17-FEB-1994:12:13:04

coverpage:

  title_1:         HSP STELLAR OCCULTATION BY DARK LUNAR LIMB HSP-09B
    sci_cat:       SOLAR SYSTEM
    proposal_for:  SV/HSP
    pi_fname:      ROBERT
    pi_mi:         C.
    pi_lname:      BLESS
    pi_inst:       UNIV.OF WISCONSIN
    pi_country:    USA
    pi_phone:      608-262-1715
    hours_pri:     1.00
    num_pri:       1
    hsp:           Y
    time_crit:     Y
    pi_position:   PROFESSOR
    off_inst:      UNIV OF WISCONSIN
    off_city:      MADISON
    off_state:     WI
    off_zip:       53706
    off_phone:     608-262-1715
! end of coverpage

abstract:

    line_1:        This proposal defines the procedure for the verification of the
    line_2:        occultation mode of observation on the HSP using the beamsplitter
    line_3:        to simultaneously observe with both IDT#3(VIS) and the PMT. This
    line_4:        test depends upon the successful completion of HSP09A. The
    line_5:        occultation of a star by the dark lunar limb will be observed
    line_6:        while tracking on the star.
    line_7:        RPSS File Number: 2772.prop
    line_8:        Revision History:
    line_9:        RPSS Software v7.0 STScI microVAX (remote)
    line_10:       RPSS Software v7.0 MADRAF VAX 11/780 (local)
    line_11:       Mark H. Slovak 12/24/88-6/10/89 EER 6/12/89
    line_12:       asb @ MIT Tue Apr 25, 1989 20:12
    line_13:       asb @ MIT Thu Apr 27, 1989 12:30
    line_14:       asb @ MIT Fri Jul 28, 1989 14:30
    line_15:       rlw @ STScI Tue Aug 8, 1989 10:30
    line_16:       asb @ MIT Fri Aug 11, 1989 15:00
    line_17:       salm @ Madison: changed to onbrd-acq & related changes - 8/16/89

!
! end of abstract

general_form_proposers:

  lname:           BLESS
    fname:         ROBERT
    title:         PROF
    inst:          UNIV OF WISCONSIN
    country:       USA

!

  lname:           ELLIOT
    fname:         J
    inst:          M I T
    country:       USA

!
! end of general_form_proposers block

general_form_text:

  question:        2
    section:       1
    line_1:        The purpose of this test is to verify the occultation mode on the HSP
    line_2:        using the beamsplitter to simultaneously obtain two-color observations
    line_3:        with the visual IDT (IDT#3) and the PMT. Additionally, the test
    line_4:        specifically supplies the following essential verifications:
    line_5:        1) Determines the target acquisition ability of the HST for the
    line_6:        occultation of a star by the dark lunar limb by using an
    line_7:        interactive acquisition of the star prior to occultation when
    line_8:        near the occulting limb.
    line_9:        2) Measures the direct and scattered light essential for planned
    line_10:       GTO programs.
    line_11:       3) Check of HSP photometry and data handling in occultation mode.
    line_12:       4) Comparison of observed to calculated predictions using
    line_13:       using ground-based observations of same event if available;
    line_14:       checking the ST/HSP time relatability to UTC.

!

  question:        3
    section:       1
    line_1:        The proposed observations will use the HSP configured in HSP/PMT configuration
    line_2:        requiring single aperture, two detector mode (IDT#3 and the PMT). The
    line_3:        occultation candidates will be chosen from a selected set which have good
    line_4:        predictions/previous ground-based verification. Onboard acquisition will be
    line_5:        used for targets, and real-time contact with spacecraft will be used to instruct
    line_6:        it to track on gyros if the lock on the guide stars is lost due to the level of
    line_7:        scattered light. A 30 arcsec continuous scan to map the scattered light is
    line_8:        performed along the predicted occultation track. The scan begins 5 arcsec
    line_9:        inside the lunar limb, ending 25 arcsec away, at a rate of 0.1 arcsec/sec.
    line_10:       Repeat the scan for a total two times.
    line_12:       The actual occultation proceeds as follows:
    line_13:       1) Obtain "darks"
    line_14:       2) Acquire occultation candidate in finding aperture and offset to beamsplitter
    line_15:       aperture no later than eight (8) minutes before predicted time of occultation.
    line_16:       3) Acquire a scan from the dark lunar limb, into the scattered light field.
    line_17:       4) Start continuous series of 100 microsec integrations for 12 minutes tracking
    line_18:       on the star. Start no later than eight minutes before the predicted time of the
    line_19:       occultation.
    line_20:       5) Acquire a scan from the dark lunar limb, into the scattered light field
    line_21:       6) Obtain "darks"

!

  question:        5
    section:       1
    line_1:        The observations are time-critical and must be uninterrupted during
    line_2:        the time of occultation; the dark measurements must
    line_3:        be taken sequentially to accurately reflect the background
    line_4:        and instrumental conditions at the time of the observation.

!

  question:        6
    section:       1
    line_1:        Upon placing the star in the beamsplitter aperture and beginning
    line_2:        the integration, the observation must be uninterrupted as the
    line_3:        exact moment of the occultation is extremely time critical.
    line_4:        Lunar occultations will be scheduled when the HST orbital elements
    line_5:        are determined.

!

  question:        7
    section:       1
    line_1:        The data reduction and analysis consists of deriving the corrected
    line_2:        count rates, by subtracting off the background measurement.
    line_3:        Theoretical Fresnel patterns, calculated for finite sources with
    line_4:        specified radii, will then be numerically fit to the observed
    line_5:        occultation fringes to derive stellar angular diameters, the
    line_6:        separation of multiple objects and the local lunar geometry
    line_7:        effecting the occultation event.

!

  question:        8
    section:       1
    line_1:        The observations are inherently time-critical and uninterruptable.
    line_2:        It is thus anticipated that use of the onboard tape recorder
    line_3:        may be necessary to store the data stream.
    line_4:        Simultaneous ground-based observations are highly desirable to
    line_5:        provide an independent verification of the occultation
    line_6:        ephemeris predictions.
    line_8:        Parameters describing the scans and the occultation observation
    line_9:        cannot be determined without knowledge of the HST orbit.
    line_10:       Scans are to be continous, 30 arcsec in length, beginning 5
    line_11:       arcsec inside the lunar limb, and ending 25 arcsec away along
    line_12:       the predicted occultation path. The occultation is to start
    line_13:       no later than 8 minutes before the predicted occultation
    line_14:       time, and continue for 12 minutes.

!

  question:        10
    section:       1
    line_1:        Data reduction and analysis will be supported on computer
    line_2:        facilities at MIT and the University of Wisconsin.

!
!end of general form text

general_form_address:

  lname:           BLESS
    fname:         ROBERT
    mi:            C
    title:         PROF
    category:      PI
    inst:          UNIV OF WISCONSIN
    addr_1:        475 N. CHARTER
    city:          MADISON
    state:         WI
    country:       USA
    phone:         608-262-1715

!
! end of general_form_address records

fixed_targets:

    targnum:       1
    name_1:        SAO076126
    descr_1:       STAR TO BE OCCULTED BY MOON.
    descr_2:       ON 29-DEC-90
    pos_1:         RA= 3H 41M 49.528S +/- 1.0",
    pos_2:         DEC= +24D 08' 01.54" +/- 1.0"
    equinox:       B1950.0
    acqpr_1:       BKG
    comment_1:     COORDS FROM SAO CATALOG.
    comment_2:     STAR IN PLEIADES.
    fluxnum_1:     1
    fluxval_1:     V = 5.4 +/- 0.5

!

    targnum:       2
    name_1:        SAO076131
    descr_1:       STAR TO BE OCCULTED BY MOON.
    descr_2:       ON 21-FEB-91
    pos_1:         RA= 3H 41M 54.055S +/- 1.0",
    pos_2:         DEC= +23D 57' 27.82" +/- 1.0"
    equinox:       B1950.0
    acqpr_1:       BKG
    comment_1:     COORDS FROM SAO CATALOG.
    comment_2:     STAR IN PLEIADES.
    fluxnum_1:     1
    fluxval_1:     V = 3.8 +/- 0.5

!

    targnum:       3
    name_1:        SAO076140
    descr_1:       STAR TO BE OCCULTED BY MOON.
    descr_2:       ON 4-NOV-90
    pos_1:         RA= 3H 42M 13.572S +/- 1.0",
    pos_2:         DEC= 24D 18' 42.91" +/- 1.0"
    equinox:       B1950.0
    acqpr_1:       BKG
    comment_1:     COORDS FROM SAO CATALOG.
    comment_2:     STAR IN PLEIADES.
    fluxnum_1:     1
    fluxval_1:     V = 4.4 +/- 0.5

!

    targnum:       4
    name_1:        SAO076155
    descr_1:       STAR TO BE OCCULTED BY MOON.
    descr_2:       ON 25-JAN-91
    pos_1:         RA= 3H 42M 50.756S +/- 1.0",
    pos_2:         DEC= 24D 12' 47.01" +/- 1.0"
    equinox:       B1950.0
    acqpr_1:       BKG
    comment_1:     COORDS FROM SAO CATALOG.
    comment_2:     STAR IN PLEIADES.
    fluxnum_1:     1
    fluxval_1:     V = 4.0 +/- 0.5

!

    targnum:       5
    name_1:        SAO098361
    descr_1:       STAR TO BE OCCULTED BY MOON.
    descr_2:       ON 19-AUG-90
    pos_1:         RA= 9H 06M 12.581S +/- 0.5",
    pos_2:         DEC= +15D 51' 43.99" +/- 0.5",
    pos_3:         PLATE-ID = 0204
    equinox:       J2000
    acqpr_1:       BKG
    fluxnum_1:     1
    fluxval_1:     V = 7.44 +/- 0.44

!

    targnum:       6
    name_1:        SAO076159
    descr_1:       STAR TO BE OCCULTED BY MOON.
    descr_2:       ON 10-SEP-90
    pos_1:         RA= 3H 42M 55.370S +/- 1.0",
    pos_2:         DEC= 24D 24' 0.00" +/- 1.0"
    equinox:       B1950.0
    acqpr_1:       BKG
    comment_1:     COORDS FROM SAO CATALOG.
    comment_2:     STAR IN PLEIADES.
    fluxnum_1:     1
    fluxval_1:     V = 5.9 +/- 0.5

!

    targnum:       7
    name_1:        SAO076172
    descr_1:       STAR TO BE OCCULTED BY MOON.
    descr_2:       ON 20-MAR-91
    pos_1:         RA= 3H 43M 21.195S +/- 1.0",
    pos_2:         DEC= 23D 47' 38.99" +/- 1.0"
    equinox:       B1950.0
    acqpr_1:       BKG
    comment_1:     COORDS FROM SAO CATALOG.
    comment_2:     STAR IN PLEIADES.
    fluxnum_1:     1
    fluxval_1:     V = 4.2 +/- 0.5

!

    targnum:       8
    name_1:        SAO076228
    descr_1:       STAR TO BE OCCULTED BY MOON.
    descr_2:       ON 17-APR-91
    pos_1:         RA= 3H 46M 11.030S +/- 1.0",
    pos_2:         DEC= 23D 54' 07.66" +/- 1.0"
    equinox:       B1950.0
    acqpr_1:       BKG
    comment_1:     COORDS FROM SAO CATALOG.
    comment_2:     STAR IN PLEIADES.
    fluxnum_1:     1
    fluxval_1:     V = 3.8 +/- 0.5

!
! end of fixed targets

solar_system_targets:

  targnum:         12
    name_1:        MOON-CENTER
    descr_1:       SATELLITE MOON
    lev1_1:        STD = MOON, ACQ=0.1
    comment_1:     FOR USE IN A SCAN OF
    comment_2:     BACKGROUND LEVELS ALONG
    comment_3:     THE PATH OF THE OCCULTED STAR.
    comment_4:     DARK LIMB TO BE USED
    fluxnum_1:     1
    fluxval_1:     V = -12.7 +/- 0.1

!
! end of solar system targets

generic_targets:

  targnum_1:       13
    name_1:        DARK-EARTH
    descr_1:       DARK EARTH
    criteria_1:    A PORTION OF THE DARK EARTH
    comment_1:     TO BE USED AS A STANDARD
    comment_2:     EXTERNAL CALIBRATION SOURCE
    fluxnum_1:     1

!
! end of generic targets

exposure_logsheet:

    linenum:       4.000
    sequence_1:    DEFINE
    sequence_2:    ONBRD-ACQ
    targname:      #
    config:        HSP/VIS
    opmode:        ACQ
    num_exp:       1
    time_per_exp:  60S
    fluxnum_1:     1
    priority:      1
    req_1:         CYCLE 0 / 4-140.2;
    comment_1:     USE COARSE TRACK FOR ACQUISITION.
    comment_2:     THIS NEEDS TO BE DONE EARLY ENOUGH SO
    comment_3:     THAT SCATTERED LIGHT IS NOT A PROBLEM.

!

    linenum:       5.000
    sequence_1:    DEFINE
    sequence_2:    EXT-DARK
    targname:      #
    config:        HSP/PMT/VIS
    opmode:        SPLIT
    aperture:      1.0
    sp_element:    F750W/F320N
    num_exp:       1
    time_per_exp:  5M
    fluxnum_1:     1
    priority:      1
    param_1:       SAMPLE-TIME=0.0001
    comment_1:     EXTERNAL STANDARD CALIBRATION.
    comment_2:     USE COARSE TRACK FOR TRACKING.
    comment_3:     HIGH ACCURACY NOT NEEDED, WANT
    comment_4:     TO SAVE TIME.

!

    linenum:       6.000
    sequence_1:    DEFINE
    sequence_2:    BACK-SCAN
    targname:      #
    config:        HSP/PMT/VIS
    opmode:        SPLIT
    aperture:      1.0
    sp_element:    F750W/F320N
    num_exp:       1
    time_per_exp:  1M
    fluxnum_1:     1
    priority:      1
    param_1:       SAMPLE-TIME=0.0001
    req_1:         SPATIAL SCAN;
    comment_1:     USE COARSE TRACK FOR TRACKING.
    comment_2:     BEFORE SCAN PARAMETERS CAN BE
    comment_3:     DETERMINED, NEED TO KNOW HST
    comment_4:     ORBIT. SEE QUESTION 8 IN
    comment_5:     GENERAL_FORM_TEXT.

!

    linenum:       7.000
    sequence_1:    DEFINE
    sequence_2:    MOON-OCC
    targname:      #
    config:        HSP/PMT/VIS
    opmode:        SPLIT
    aperture:      1.0
    sp_element:    F750W/F320N
    num_exp:       1
    time_per_exp:  12M
    fluxnum_1:     1
    priority:      1
    param_1:       SAMPLE-TIME=0.0001,
    param_2:       DATA-FORMAT=WORD,
    param_3:       PRECISION=HIGH,
    req_1:         CRIT OBS; NON-INT;
    comment_1:     USE COARSE TRACK FOR TRACKING.
    comment_2:     BEFORE OBSERVATION PARAMETERS
    comment_3:     CAN BE DETERMINED, NEED TO
    comment_4:     KNOW HST ORBIT. SEE QUESTION
    comment_5:     8 IN GENERAL_FORM_TEXT.

!

    linenum:       10.030
    sequence_1:    USE
    sequence_2:    EXT-DARK
    targname:      DARK-EARTH
    req_1:         SELECT 1 OF 10.03-10.2 OR 40.03-40.20 OR
    req_2:         50.03-50.2 OR 70.03-70.2 OR 100.03-100.2
    req_3:         OR 120.03-120.2 OR 130.03-130.2 OR
    req_4:         140.03-140.2;
    req_5:         CALIB FOR 10.09;
    req_6:         SEQ 10.03 - 10.08 NO GAP;
    req_7:         COND IF 29-DEC-90;
    comment_1:     CHOOSE ONE OF THE POSSIBLE CANDIDATES

!

    linenum:       10.040
    sequence_1:    USE
    sequence_2:    ONBRD-ACQ
    targname:      SAO076126
    req_1:         ONBOARD ACQ FOR 10.05;
    req_2:         COND IF 29-DEC-90;

!

    linenum:       10.050
    sequence_1:    USE
    sequence_2:    ONBRD-ACQ
    targname:      SAO076126
    req_1:         ONBOARD ACQ FOR 10.09;
    req_2:         BEFORE 10.09 BY 15M +/- 5M;
    req_3:         COND IF 29-DEC-90;
    comment_1:     START EXPOSURE TIME WILL CHANGE
    comment_2:     DEPENDING ON FINAL PREDICTION AND
    comment_3:     HST ORBIT PARAMETERS. ASSUME SPSS
    comment_4:     WILL PUT THIS AT START OF WINDOW
    comment_5:     IF POSSIBLE.

!

    linenum:       10.060
    sequence_1:    USE
    sequence_2:    BACK-SCAN
    targname:      MOON-CENTER
    time_per_exp:  X1
    req_1:         COND IF 29-DEC-90;
    comment_1:     SCAN PARAMETERS WILL CHANGE
    comment_2:     DEPENDING ON ACTUAL GEOMETRY
    comment_3:     OF EVENT.
    comment_4:     WHEN PLANET EPHEMERIS IS KNOWN,
    comment_5:     WILL SPECIFY SCANS RELATIVE TO
    comment_6:     STAR RATHER THAN PLANET.

!

    linenum:       10.070
    sequence_1:    USE
    sequence_2:    BACK-SCAN
    targname:      MOON-CENTER
    time_per_exp:  X3
    req_1:         COND IF 29-DEC-90;
    comment_1:     SCAN PARAMETERS WILL CHANGE
    comment_2:     DEPENDING ON ACTUAL GEOMETRY
    comment_3:     OF EVENT.

!

    linenum:       10.080
    sequence_1:    USE
    sequence_2:    BACK-SCAN
    targname:      MOON-CENTER
    time_per_exp:  X1
    req_1:         COND IF 29-DEC-90;
    comment_1:     SCAN PARAMETERS WILL CHANGE
    comment_2:     DEPENDING ON ACTUAL GEOMETRY
    comment_3:     OF EVENT.

!

    linenum:       10.090
    sequence_1:    USE
    sequence_2:    MOON-OCC
    targname:      SAO076126
    req_1:         AT 29-DEC-90 +/- 1D;
    req_2:         REQ UPDATE;
    req_3:         SEQ 10.09 - 10.20 NO GAP;
    req_4:         COND IF 29-DEC-90;
    comment_1:     START EXPOSURE TIME WILL CHANGE
    comment_2:     DEPENDING ON FINAL PREDICTION
    comment_3:     AND HST ORBIT PARAMETERS.

!

    linenum:       10.160
    sequence_1:    USE
    sequence_2:    BACK-SCAN
    targname:      MOON-CENTER
    time_per_exp:  X1
    req_1:         COND IF 29-DEC-90;
    comment_1:     SCAN PARAMETERS WILL CHANGE
    comment_2:     DEPENDING ON ACTUAL GEOMETRY
    comment_3:     OF EVENT.

!

    linenum:       10.170
    sequence_1:    USE
    sequence_2:    BACK-SCAN
    targname:      MOON-CENTER
    time_per_exp:  X3
    req_1:         COND IF 29-DEC-90;
    comment_1:     SCAN PARAMETERS WILL CHANGE
    comment_2:     DEPENDING ON ACTUAL GEOMETRY
    comment_3:     OF EVENT.

!

    linenum:       10.180
    sequence_1:    USE
    sequence_2:    BACK-SCAN
    targname:      MOON-CENTER
    time_per_exp:  X1
    req_1:         COND IF 29-DEC-90;
    comment_1:     SCAN PARAMETERS WILL CHANGE
    comment_2:     DEPENDING ON ACTUAL GEOMETRY
    comment_3:     OF EVENT.

!

    linenum:       10.200
    sequence_1:    USE
    sequence_2:    EXT-DARK
    targname:      DARK-EARTH
    req_1:         CALIB FOR 10.09;
    req_2:         COND IF 29-DEC-90;

!

    linenum:       40.030
    sequence_1:    USE
    sequence_2:    EXT-DARK
    targname:      DARK-EARTH
    req_1:         CALIB FOR 40.09;
    req_2:         SEQ 40.03 - 40.08 NO GAP;
    req_3:         COND IF 21-FEB-91;

!

    linenum:       40.040
    sequence_1:    USE
    sequence_2:    ONBRD-ACQ
    targname:      SAO076131
    req_1:         ONBOARD ACQ FOR 40.05;
    req_2:         COND IF 21-FEB-91;

!

    linenum:       40.050
    sequence_1:    USE
    sequence_2:    ONBRD-ACQ
    targname:      SAO076131
    req_1:         ONBOARD ACQ FOR 40.09;
    req_2:         BEFORE 40.09 BY 15M +/- 5M;
    req_3:         COND IF 21-FEB-91;
    comment_1:     START EXPOSURE TIME WILL CHANGE
    comment_2:     DEPENDING ON FINAL PREDICTION AND
    comment_3:     HST ORBIT PARAMETERS. ASSUME SPSS
    comment_4:     WILL PUT THIS AT START OF WINDOW
    comment_5:     IF POSSIBLE.

!

    linenum:       40.060
    sequence_1:    USE
    sequence_2:    BACK-SCAN
    targname:      MOON-CENTER
    time_per_exp:  X1
    req_1:         COND IF 21-FEB-91;
    comment_1:     SCAN PARAMETERS WILL CHANGE
    comment_2:     DEPENDING ON ACTUAL GEOMETRY
    comment_3:     OF EVENT.
    comment_4:     WHEN PLANET EPHEMERIS IS KNOWN,
    comment_5:     WILL SPECIFY SCANS RELATIVE TO
    comment_6:     STAR RATHER THAN PLANET.

!

    linenum:       40.070
    sequence_1:    USE
    sequence_2:    BACK-SCAN
    targname:      MOON-CENTER
    time_per_exp:  X3
    req_1:         COND IF 21-FEB-91;
    comment_1:     SCAN PARAMETERS WILL CHANGE
    comment_2:     DEPENDING ON ACTUAL GEOMETRY
    comment_3:     OF EVENT.

!

    linenum:       40.080
    sequence_1:    USE
    sequence_2:    BACK-SCAN
    targname:      MOON-CENTER
    time_per_exp:  X1
    req_1:         COND IF 21-FEB-91;
    comment_1:     SCAN PARAMETERS WILL CHANGE
    comment_2:     DEPENDING ON ACTUAL GEOMETRY
    comment_3:     OF EVENT.

!

    linenum:       40.090
    sequence_1:    USE
    sequence_2:    MOON-OCC
    targname:      SAO076131
    req_1:         AT 21-FEB-91 +/- 1D;
    req_2:         REQ UPDATE;
    req_3:         SEQ 40.09-40.2 NO GAP;
    req_4:         COND IF 21-FEB-91;
    comment_1:     START EXPOSURE TIME WILL CHANGE
    comment_2:     DEPENDING ON FINAL PREDICTION
    comment_3:     AND HST ORBIT PARAMETERS.

!

    linenum:       40.160
    sequence_1:    USE
    sequence_2:    BACK-SCAN
    targname:      MOON-CENTER
    time_per_exp:  X1
    req_1:         COND IF 21-FEB-91;
    comment_1:     SCAN PARAMETERS WILL CHANGE
    comment_2:     DEPENDING ON ACTUAL GEOMETRY
    comment_3:     OF EVENT.

!

    linenum:       40.170
    sequence_1:    USE
    sequence_2:    BACK-SCAN
    targname:      MOON-CENTER
    time_per_exp:  X3
    req_1:         COND IF 21-FEB-91;
    comment_1:     SCAN PARAMETERS WILL CHANGE
    comment_2:     DEPENDING ON ACTUAL GEOMETRY
    comment_3:     OF EVENT.

!

    linenum:       40.180
    sequence_1:    USE
    sequence_2:    BACK-SCAN
    targname:      MOON-CENTER
    time_per_exp:  X1
    req_1:         COND IF 21-FEB-91;
    comment_1:     SCAN PARAMETERS WILL CHANGE
    comment_2:     DEPENDING ON ACTUAL GEOMETRY
    comment_3:     OF EVENT.

!

    linenum:       40.200
    sequence_1:    USE
    sequence_2:    EXT-DARK
    targname:      DARK-EARTH
    req_1:         CALIB FOR 40.09;
    req_2:         COND IF 21-FEB-91;

!

    linenum:       50.030
    sequence_1:    USE
    sequence_2:    EXT-DARK
    targname:      DARK-EARTH
    req_1:         CALIB FOR 50.09;
    req_2:         SEQ 50.03 - 50.08 NO GAP;
    req_3:         COND IF 4-NOV-90;

!

    linenum:       50.040
    sequence_1:    USE
    sequence_2:    ONBRD-ACQ
    targname:      SAO076140
    req_1:         ONBOARD ACQ FOR 50.05;
    req_2:         COND IF 4-NOV-90;

!

    linenum:       50.050
    sequence_1:    USE
    sequence_2:    ONBRD-ACQ
    targname:      SAO076140
    req_1:         ONBOARD ACQ FOR 50.09;
    req_2:         BEFORE 50.09 BY 15M +/- 5M;
    req_3:         COND IF 4-NOV-90;
    comment_1:     START EXPOSURE TIME WILL CHANGE
    comment_2:     DEPENDING ON FINAL PREDICTION AND
    comment_3:     HST ORBIT PARAMETERS. ASSUME SPSS
    comment_4:     WILL PUT THIS AT START OF WINDOW
    comment_5:     IF POSSIBLE.

!

    linenum:       50.060
    sequence_1:    USE
    sequence_2:    BACK-SCAN
    targname:      MOON-CENTER
    time_per_exp:  X1
    req_1:         COND IF 4-NOV-90;
    comment_1:     SCAN PARAMETERS WILL CHANGE
    comment_2:     DEPENDING ON ACTUAL GEOMETRY
    comment_3:     OF EVENT.
    comment_4:     WHEN PLANET EPHEMERIS IS KNOWN,
    comment_5:     WILL SPECIFY SCANS RELATIVE TO
    comment_6:     STAR RATHER THAN PLANET.

!

    linenum:       50.070
    sequence_1:    USE
    sequence_2:    BACK-SCAN
    targname:      MOON-CENTER
    time_per_exp:  X3
    req_1:         COND IF 4-NOV-90;
    comment_1:     SCAN PARAMETERS WILL CHANGE
    comment_2:     DEPENDING ON ACTUAL GEOMETRY
    comment_3:     OF EVENT.

!

    linenum:       50.080
    sequence_1:    USE
    sequence_2:    BACK-SCAN
    targname:      MOON-CENTER
    time_per_exp:  X1
    req_1:         COND IF 4-NOV-90;
    comment_1:     SCAN PARAMETERS WILL CHANGE
    comment_2:     DEPENDING ON ACTUAL GEOMETRY
    comment_3:     OF EVENT.

!

    linenum:       50.090
    sequence_1:    USE
    sequence_2:    MOON-OCC
    targname:      SAO076140
    req_1:         AT 4-NOV-90 +/- 1D;
    req_2:         REQ UPDATE;
    req_3:         SEQ 50.09 - 50.2 NO GAP;
    req_4:         COND IF 4-NOV-90;
    comment_1:     START EXPOSURE TIME WILL CHANGE
    comment_2:     DEPENDING ON FINAL PREDICTION
    comment_3:     AND HST ORBIT PARAMETERS.

!

    linenum:       50.160
    sequence_1:    USE
    sequence_2:    BACK-SCAN
    targname:      MOON-CENTER
    time_per_exp:  X1
    req_1:         COND IF 4-NOV-09;
    comment_1:     SCAN PARAMETERS WILL CHANGE
    comment_2:     DEPENDING ON ACTUAL GEOMETRY
    comment_3:     OF EVENT.

!

    linenum:       50.170
    sequence_1:    USE
    sequence_2:    BACK-SCAN
    targname:      MOON-CENTER
    time_per_exp:  X3
    req_1:         COND IF 4-NOV-90;
    comment_1:     SCAN PARAMETERS WILL CHANGE
    comment_2:     DEPENDING ON ACTUAL GEOMETRY
    comment_3:     OF EVENT.

!

    linenum:       50.180
    sequence_1:    USE
    sequence_2:    BACK-SCAN
    targname:      MOON-CENTER
    time_per_exp:  X1
    req_1:         COND IF 4-NOV-90;
    comment_1:     SCAN PARAMETERS WILL CHANGE
    comment_2:     DEPENDING ON ACTUAL GEOMETRY
    comment_3:     OF EVENT.

!

    linenum:       50.200
    sequence_1:    USE
    sequence_2:    EXT-DARK
    targname:      DARK-EARTH
    req_1:         CALIB FOR 50.09;
    req_2:         COND IF 4-NOV-90;

!

    linenum:       70.030
    sequence_1:    USE
    sequence_2:    EXT-DARK
    targname:      DARK-EARTH
    req_1:         CALIB FOR 70.09;
    req_2:         SEQ 70.03 - 70.08 NO GAP;
    req_3:         COND IF 25-JAN-91;

!

    linenum:       70.040
    sequence_1:    USE
    sequence_2:    ONBRD-ACQ
    targname:      SAO076155
    req_1:         ONBOARD ACQ FOR 70.05;
    req_2:         COND IF 25-JAN-91;

!

    linenum:       70.050
    sequence_1:    USE
    sequence_2:    ONBRD-ACQ
    targname:      SAO076155
    req_1:         ONBOARD ACQ FOR 70.09;
    req_2:         BEFORE 70.09 BY 15M +/- 5M;
    req_3:         COND IF 25-JAN-91;
    comment_1:     START EXPOSURE TIME WILL CHANGE
    comment_2:     DEPENDING ON FINAL PREDICTION AND
    comment_3:     HST ORBIT PARAMETERS. ASSUME SPSS
    comment_4:     WILL PUT THIS AT START OF WINDOW
    comment_5:     IF POSSIBLE.

!

    linenum:       70.060
    sequence_1:    USE
    sequence_2:    BACK-SCAN
    targname:      MOON-CENTER
    time_per_exp:  X1
    req_1:         COND IF 25-JAN-91;
    comment_1:     SCAN PARAMETERS WILL CHANGE
    comment_2:     DEPENDING ON ACTUAL GEOMETRY
    comment_3:     OF EVENT.
    comment_4:     WHEN PLANET EPHEMERIS IS KNOWN,
    comment_5:     WILL SPECIFY SCANS RELATIVE TO
    comment_6:     STAR RATHER THAN PLANET.

!

    linenum:       70.070
    sequence_1:    USE
    sequence_2:    BACK-SCAN
    targname:      MOON-CENTER
    time_per_exp:  X3
    req_1:         COND IF 25-JAN-91;
    comment_1:     SCAN PARAMETERS WILL CHANGE
    comment_2:     DEPENDING ON ACTUAL GEOMETRY
    comment_3:     OF EVENT.

!

    linenum:       70.080
    sequence_1:    USE
    sequence_2:    BACK-SCAN
    targname:      MOON-CENTER
    time_per_exp:  X1
    req_1:         COND IF 25-JAN-91;
    comment_1:     SCAN PARAMETERS WILL CHANGE
    comment_2:     DEPENDING ON ACTUAL GEOMETRY
    comment_3:     OF EVENT.

!

    linenum:       70.090
    sequence_1:    USE
    sequence_2:    MOON-OCC
    targname:      SAO076155
    req_1:         AT 25-JAN-91 +/- 1D;
    req_2:         REQ UPDATE;
    req_3:         SEQ 70.09 - 70.2 NO GAP;
    req_4:         COND IF 25-JAN-91;
    comment_1:     START EXPOSURE TIME WILL CHANGE
    comment_2:     DEPENDING ON FINAL PREDICTION
    comment_3:     AND HST ORBIT PARAMETERS.

!

    linenum:       70.160
    sequence_1:    USE
    sequence_2:    BACK-SCAN
    targname:      MOON-CENTER
    time_per_exp:  X1
    req_1:         COND IF 25-JAN-91;
    comment_1:     SCAN PARAMETERS WILL CHANGE
    comment_2:     DEPENDING ON ACTUAL GEOMETRY
    comment_3:     OF EVENT.

!

    linenum:       70.170
    sequence_1:    USE
    sequence_2:    BACK-SCAN
    targname:      MOON-CENTER
    time_per_exp:  X3
    req_1:         COND IF 25-JAN-91;
    comment_1:     SCAN PARAMETERS WILL CHANGE
    comment_2:     DEPENDING ON ACTUAL GEOMETRY
    comment_3:     OF EVENT.

!

    linenum:       70.180
    sequence_1:    USE
    sequence_2:    BACK-SCAN
    targname:      MOON-CENTER
    time_per_exp:  X1
    req_1:         COND IF 25-JAN-91;
    comment_1:     SCAN PARAMETERS WILL CHANGE
    comment_2:     DEPENDING ON ACTUAL GEOMETRY
    comment_3:     OF EVENT.

!

    linenum:       70.200
    sequence_1:    USE
    sequence_2:    EXT-DARK
    targname:      DARK-EARTH
    req_1:         CALIB FOR 70.09;
    req_2:         COND IF 25-JAN-91;

!

    linenum:       100.030
    sequence_1:    USE
    sequence_2:    EXT-DARK
    targname:      DARK-EARTH
    req_1:         CALIB FOR 100.09;
    req_2:         SEQ 100.03 - 100.08 NO GAP;
    req_3:         COND IF 19-AUG-90;

!

    linenum:       100.040
    sequence_1:    USE
    sequence_2:    ONBRD-ACQ
    targname:      SAO098361
    req_1:         ONBOARD ACQ FOR 100.05;
    req_2:         COND IF 19-AUG-90;

!

    linenum:       100.050
    sequence_1:    USE
    sequence_2:    ONBRD-ACQ
    targname:      SAO098361
    req_1:         ONBOARD ACQ FOR 100.09;
    req_2:         BEFORE 100.09 BY 15M +/- 5M;
    req_3:         COND IF 19-AUG-90;
    comment_1:     START EXPOSURE TIME WILL CHANGE
    comment_2:     DEPENDING ON FINAL PREDICTION AND
    comment_3:     HST ORBIT PARAMETERS. ASSUME SPSS
    comment_4:     WILL PUT THIS AT START OF WINDOW
    comment_5:     IF POSSIBLE.

!

    linenum:       100.060
    sequence_1:    USE
    sequence_2:    BACK-SCAN
    targname:      MOON-CENTER
    time_per_exp:  X1
    req_1:         COND IF 19-AUG-90;
    comment_1:     SCAN PARAMETERS WILL CHANGE
    comment_2:     DEPENDING ON ACTUAL GEOMETRY
    comment_3:     OF EVENT.
    comment_4:     WHEN PLANET EPHEMERIS IS KNOWN,
    comment_5:     WILL SPECIFY SCANS RELATIVE TO
    comment_6:     STAR RATHER THAN PLANET.

!

    linenum:       100.070
    sequence_1:    USE
    sequence_2:    BACK-SCAN
    targname:      MOON-CENTER
    time_per_exp:  X3
    req_1:         COND IF 19-AUG-90;
    comment_1:     SCAN PARAMETERS WILL CHANGE
    comment_2:     DEPENDING ON ACTUAL GEOMETRY
    comment_3:     OF EVENT.

!

    linenum:       100.080
    sequence_1:    USE
    sequence_2:    BACK-SCAN
    targname:      MOON-CENTER
    time_per_exp:  X1
    req_1:         COND IF 19-AUG-90;
    comment_1:     SCAN PARAMETERS WILL CHANGE
    comment_2:     DEPENDING ON ACTUAL GEOMETRY
    comment_3:     OF EVENT.

!

    linenum:       100.090
    sequence_1:    USE
    sequence_2:    MOON-OCC
    targname:      SAO098361
    req_1:         AT 19-AUG-90 +/- 1D;
    req_2:         REQ UPDATE;
    req_3:         SEQ 100.09 - 100.20;
    req_4:         COND IF 19-AUG-90;
    comment_1:     START EXPOSURE TIME WILL CHANGE
    comment_2:     DEPENDING ON FINAL PREDICTION
    comment_3:     AND HST ORBIT PARAMETERS.

!

    linenum:       100.160
    sequence_1:    USE
    sequence_2:    BACK-SCAN
    targname:      MOON-CENTER
    time_per_exp:  X1
    req_1:         COND IF 19-AUG-90;
    comment_1:     SCAN PARAMETERS WILL CHANGE
    comment_2:     DEPENDING ON ACTUAL GEOMETRY
    comment_3:     OF EVENT.

!

    linenum:       100.170
    sequence_1:    USE
    sequence_2:    BACK-SCAN
    targname:      MOON-CENTER
    time_per_exp:  X3
    req_1:         COND IF 19-AUG-90;
    comment_1:     SCAN PARAMETERS WILL CHANGE
    comment_2:     DEPENDING ON ACTUAL GEOMETRY
    comment_3:     OF EVENT.

!

    linenum:       100.180
    sequence_1:    USE
    sequence_2:    BACK-SCAN
    targname:      MOON-CENTER
    time_per_exp:  X1
    req_1:         COND IF 19-AUG-90;
    comment_1:     SCAN PARAMETERS WILL CHANGE
    comment_2:     DEPENDING ON ACTUAL GEOMETRY
    comment_3:     OF EVENT.

!

    linenum:       100.200
    sequence_1:    USE
    sequence_2:    EXT-DARK
    targname:      DARK-EARTH
    req_1:         CALIB FOR 100.09;
    req_2:         COND IF 19-AUG-90;

!

    linenum:       120.030
    sequence_1:    USE
    sequence_2:    EXT-DARK
    targname:      DARK-EARTH
    req_1:         CALIB FOR 120.09;
    req_2:         SEQ 120.03 - 120.08 NO GAP;
    req_3:         COND IF 10-SEP-90;

!

    linenum:       120.040
    sequence_1:    USE
    sequence_2:    ONBRD-ACQ
    targname:      SAO076159
    req_1:         ONBOARD ACQ FOR 120.05;
    req_2:         COND IF 10-SEP-90;

!

    linenum:       120.050
    sequence_1:    USE
    sequence_2:    ONBRD-ACQ
    targname:      SAO076159
    req_1:         ONBOARD ACQ FOR 120.09;
    req_2:         BEFORE 120.09 BY 15M +/- 5M;
    req_3:         COND IF 10-SEP-90;
    comment_1:     START EXPOSURE TIME WILL CHANGE
    comment_2:     DEPENDING ON FINAL PREDICTION AND
    comment_3:     HST ORBIT PARAMETERS. ASSUME SPSS
    comment_4:     WILL PUT THIS AT START OF WINDOW
    comment_5:     IF POSSIBLE.

!

    linenum:       120.060
    sequence_1:    USE
    sequence_2:    BACK-SCAN
    targname:      MOON-CENTER
    time_per_exp:  X1
    req_1:         COND IF 10-SEP-90;
    comment_1:     SCAN PARAMETERS WILL CHANGE
    comment_2:     DEPENDING ON ACTUAL GEOMETRY
    comment_3:     OF EVENT.
    comment_4:     WHEN PLANET EPHEMERIS IS KNOWN,
    comment_5:     WILL SPECIFY SCANS RELATIVE TO
    comment_6:     STAR RATHER THAN PLANET.

!

    linenum:       120.070
    sequence_1:    USE
    sequence_2:    BACK-SCAN
    targname:      MOON-CENTER
    time_per_exp:  X3
    req_1:         COND IF 10-SEP-90;
    comment_1:     SCAN PARAMETERS WILL CHANGE
    comment_2:     DEPENDING ON ACTUAL GEOMETRY
    comment_3:     OF EVENT.

!

    linenum:       120.080
    sequence_1:    USE
    sequence_2:    BACK-SCAN
    targname:      MOON-CENTER
    time_per_exp:  X1
    req_1:         COND IF 10-SEP-90;
    comment_1:     SCAN PARAMETERS WILL CHANGE
    comment_2:     DEPENDING ON ACTUAL GEOMETRY
    comment_3:     OF EVENT.

!

    linenum:       120.090
    sequence_1:    USE
    sequence_2:    MOON-OCC
    targname:      SAO076159
    req_1:         AT 10-SEP-90 +/- 1D;
    req_2:         REQ UPDATE;
    req_3:         SEQ 120.09 - 120.2 NO GAP;
    req_4:         COND IF 10-SEP-90;
    comment_1:     START EXPOSURE TIME WILL CHANGE
    comment_2:     DEPENDING ON FINAL PREDICTION
    comment_3:     AND HST ORBIT PARAMETERS.

!

    linenum:       120.160
    sequence_1:    USE
    sequence_2:    BACK-SCAN
    targname:      MOON-CENTER
    time_per_exp:  X1
    req_1:         COND IF 10-SEP-90;
    comment_1:     SCAN PARAMETERS WILL CHANGE
    comment_2:     DEPENDING ON ACTUAL GEOMETRY
    comment_3:     OF EVENT.

!

    linenum:       120.170
    sequence_1:    USE
    sequence_2:    BACK-SCAN
    targname:      MOON-CENTER
    time_per_exp:  X3
    req_1:         COND IF 10-SEP-90;
    comment_1:     SCAN PARAMETERS WILL CHANGE
    comment_2:     DEPENDING ON ACTUAL GEOMETRY
    comment_3:     OF EVENT.

!

    linenum:       120.180
    sequence_1:    USE
    sequence_2:    BACK-SCAN
    targname:      MOON-CENTER
    time_per_exp:  X1
    req_1:         COND IF 10-SEP-90;
    comment_1:     SCAN PARAMETERS WILL CHANGE
    comment_2:     DEPENDING ON ACTUAL GEOMETRY
    comment_3:     OF EVENT.

!

    linenum:       120.200
    sequence_1:    USE
    sequence_2:    EXT-DARK
    targname:      DARK-EARTH
    req_1:         CALIB FOR 120.09;
    req_2:         COND IF 10-SEP-90;

!

    linenum:       130.030
    sequence_1:    USE
    sequence_2:    EXT-DARK
    targname:      DARK-EARTH
    req_1:         CALIB FOR 130.09;
    req_2:         SEQ 130.03 - 130.08 NO GAP;
    req_3:         COND IF 20-MAR-91;

!

    linenum:       130.040
    sequence_1:    USE
    sequence_2:    ONBRD-ACQ
    targname:      SAO076172
    req_1:         ONBOARD ACQ FOR 130.05;
    req_2:         COND IF 20-MAR-91;

!

    linenum:       130.050
    sequence_1:    USE
    sequence_2:    ONBRD-ACQ
    targname:      SAO076172
    req_1:         ONBOARD ACQ FOR 130.09;
    req_2:         BEFORE 130.09 BY 15M +/- 5M;
    req_3:         COND IF 20-MAR-91;
    comment_1:     START EXPOSURE TIME WILL CHANGE
    comment_2:     DEPENDING ON FINAL PREDICTION AND
    comment_3:     HST ORBIT PARAMETERS. ASSUME SPSS
    comment_4:     WILL PUT THIS AT START OF WINDOW
    comment_5:     IF POSSIBLE.

!

    linenum:       130.060
    sequence_1:    USE
    sequence_2:    BACK-SCAN
    targname:      MOON-CENTER
    time_per_exp:  X1
    req_1:         COND IF 20-MAR-91;
    comment_1:     SCAN PARAMETERS WILL CHANGE
    comment_2:     DEPENDING ON ACTUAL GEOMETRY
    comment_3:     OF EVENT.
    comment_4:     WHEN PLANET EPHEMERIS IS KNOWN,
    comment_5:     WILL SPECIFY SCANS RELATIVE TO
    comment_6:     STAR RATHER THAN PLANET.

!

    linenum:       130.070
    sequence_1:    USE
    sequence_2:    BACK-SCAN
    targname:      MOON-CENTER
    time_per_exp:  X3
    req_1:         COND IF 20-MAR-91;
    comment_1:     SCAN PARAMETERS WILL CHANGE
    comment_2:     DEPENDING ON ACTUAL GEOMETRY
    comment_3:     OF EVENT.

!

    linenum:       130.080
    sequence_1:    USE
    sequence_2:    BACK-SCAN
    targname:      MOON-CENTER
    time_per_exp:  X1
    req_1:         COND IF 20-MAR-91;
    comment_1:     SCAN PARAMETERS WILL CHANGE
    comment_2:     DEPENDING ON ACTUAL GEOMETRY
    comment_3:     OF EVENT.

!

    linenum:       130.090
    sequence_1:    USE
    sequence_2:    MOON-OCC
    targname:      SAO076172
    req_1:         AT 20-MAR-91 +/- 1D;
    req_2:         REQ UPDATE;
    req_3:         SEQ 130.09 - 130.2 NO GAP;
    req_4:         COND IF 20-MAR-91;
    comment_1:     START EXPOSURE TIME WILL CHANGE
    comment_2:     DEPENDING ON FINAL PREDICTION
    comment_3:     AND HST ORBIT PARAMETERS.

!

    linenum:       130.160
    sequence_1:    USE
    sequence_2:    BACK-SCAN
    targname:      MOON-CENTER
    time_per_exp:  X1
    req_1:         COND IF 20-MAR-91;
    comment_1:     SCAN PARAMETERS WILL CHANGE
    comment_2:     DEPENDING ON ACTUAL GEOMETRY
    comment_3:     OF EVENT.

!

    linenum:       130.170
    sequence_1:    USE
    sequence_2:    BACK-SCAN
    targname:      MOON-CENTER
    time_per_exp:  X3
    req_1:         COND IF 20-MAR-91;
    comment_1:     SCAN PARAMETERS WILL CHANGE
    comment_2:     DEPENDING ON ACTUAL GEOMETRY
    comment_3:     OF EVENT.

!

    linenum:       130.180
    sequence_1:    USE
    sequence_2:    BACK-SCAN
    targname:      MOON-CENTER
    time_per_exp:  X1
    req_1:         COND IF 20-MAR-91;
    comment_1:     SCAN PARAMETERS WILL CHANGE
    comment_2:     DEPENDING ON ACTUAL GEOMETRY
    comment_3:     OF EVENT.

!

    linenum:       130.200
    sequence_1:    USE
    sequence_2:    EXT-DARK
    targname:      DARK-EARTH
    req_1:         CALIB FOR 130.09;
    req_2:         COND IF 20-MAR-91;

!

    linenum:       140.030
    sequence_1:    USE
    sequence_2:    EXT-DARK
    targname:      DARK-EARTH
    req_1:         CALIB FOR 140.09;
    req_2:         SEQ 140.03 - 140.08 NO GAP;
    req_3:         COND IF 17-APR-91;

!

    linenum:       140.040
    sequence_1:    USE
    sequence_2:    ONBRD-ACQ
    targname:      SAO076228
    req_1:         ONBOARD ACQ FOR 140.05;
    req_2:         COND IF 17-APR-91;

!

    linenum:       140.050
    sequence_1:    USE
    sequence_2:    ONBRD-ACQ
    targname:      SAO076228
    req_1:         ONBOARD ACQ FOR 140.09;
    req_2:         BEFORE 140.09 BY 15M +/- 5M;
    req_3:         COND IF 17-APR-91;
    comment_1:     START EXPOSURE TIME WILL CHANGE
    comment_2:     DEPENDING ON FINAL PREDICTION AND
    comment_3:     HST ORBIT PARAMETERS. ASSUME SPSS
    comment_4:     WILL PUT THIS AT START OF WINDOW
    comment_5:     IF POSSIBLE.

!

    linenum:       140.060
    sequence_1:    USE
    sequence_2:    BACK-SCAN
    targname:      MOON-CENTER
    time_per_exp:  X1
    req_1:         COND IF 17-APR-91;
    comment_1:     SCAN PARAMETERS WILL CHANGE
    comment_2:     DEPENDING ON ACTUAL GEOMETRY
    comment_3:     OF EVENT.
    comment_4:     WHEN PLANET EPHEMERIS IS KNOWN,
    comment_5:     WILL SPECIFY SCANS RELATIVE TO
    comment_6:     STAR RATHER THAN PLANET.

!

    linenum:       140.070
    sequence_1:    USE
    sequence_2:    BACK-SCAN
    targname:      MOON-CENTER
    time_per_exp:  X3
    req_1:         COND IF 17-APR-91;
    comment_1:     SCAN PARAMETERS WILL CHANGE
    comment_2:     DEPENDING ON ACTUAL GEOMETRY
    comment_3:     OF EVENT.

!

    linenum:       140.080
    sequence_1:    USE
    sequence_2:    BACK-SCAN
    targname:      MOON-CENTER
    time_per_exp:  X1
    req_1:         COND IF 17-APR-91;
    comment_1:     SCAN PARAMETERS WILL CHANGE
    comment_2:     DEPENDING ON ACTUAL GEOMETRY
    comment_3:     OF EVENT.

!

    linenum:       140.090
    sequence_1:    USE
    sequence_2:    MOON-OCC
    targname:      SAO076228
    req_1:         AT 17-APR-91 +/- 1D;
    req_2:         REQ UPDATE;
    req_3:         SEQ 140.09 - 140.2 NO GAP;
    req_4:         COND IF 17-APR-91;
    comment_1:     START EXPOSURE TIME WILL CHANGE
    comment_2:     DEPENDING ON FINAL PREDICTION
    comment_3:     AND HST ORBIT PARAMETERS.

!

    linenum:       140.160
    sequence_1:    USE
    sequence_2:    BACK-SCAN
    targname:      MOON-CENTER
    time_per_exp:  X1
    req_1:         COND IF 17-APR-91;
    comment_1:     SCAN PARAMETERS WILL CHANGE
    comment_2:     DEPENDING ON ACTUAL GEOMETRY
    comment_3:     OF EVENT.

!

    linenum:       140.170
    sequence_1:    USE
    sequence_2:    BACK-SCAN
    targname:      MOON-CENTER
    time_per_exp:  X3
    req_1:         COND IF 17-APR-91;
    comment_1:     SCAN PARAMETERS WILL CHANGE
    comment_2:     DEPENDING ON ACTUAL GEOMETRY
    comment_3:     OF EVENT.

!

    linenum:       140.180
    sequence_1:    USE
    sequence_2:    BACK-SCAN
    targname:      MOON-CENTER
    time_per_exp:  X1
    req_1:         COND IF 17-APR-91;
    comment_1:     SCAN PARAMETERS WILL CHANGE
    comment_2:     DEPENDING ON ACTUAL GEOMETRY
    comment_3:     OF EVENT.

!

    linenum:       140.200
    sequence_1:    USE
    sequence_2:    EXT-DARK
    targname:      DARK-EARTH
    req_1:         CALIB FOR 140.09;
    req_2:         COND IF 17-APR-91;

!
! end of exposure logsheet

scan_data:

    line_list:     10.06, 10.08, 10.16, 10.18
    fgs_scan:
    cont_dwell:    C
    dwell_pnts:    0
    dwell_secs:       0.00
    scan_width:       0.0000
    scan_length:     30.0000
    sides_angle:    90.0000
    number_lines:  1
    scan_rate:       0.1000
    first_line_pa:  90.0000
    scan_frame:    CEL
    len_offset:       0.0000
    wid_offset:       0.0000

!

    line_list:     10.07, 10.17
    fgs_scan:
    cont_dwell:    C
    dwell_pnts:    0
    dwell_secs:       0.00
    scan_width:       1.0000
    scan_length:     30.0000
    sides_angle:    90.0000
    number_lines:  3
    scan_rate:       0.1000
    first_line_pa:  90.0000
    scan_frame:    CEL
    len_offset:       0.0000
    wid_offset:       0.0000

!

    line_list:     40.06, 40.08, 40.16, 40.18
    fgs_scan:
    cont_dwell:    C
    dwell_pnts:    0
    dwell_secs:       0.00
    scan_width:       0.0000
    scan_length:     30.0000
    sides_angle:    90.0000
    number_lines:  1
    scan_rate:       0.1000
    first_line_pa:  90.0000
    scan_frame:    CEL
    len_offset:       0.0000
    wid_offset:       0.0000

!

    line_list:     40.07, 40.17
    fgs_scan:
    cont_dwell:    C
    dwell_pnts:    0
    dwell_secs:       0.00
    scan_width:       1.0000
    scan_length:     30.0000
    sides_angle:    90.0000
    number_lines:  3
    scan_rate:       0.1000
    first_line_pa:  90.0000
    scan_frame:    CEL
    len_offset:       0.0000
    wid_offset:       0.0000

!

    line_list:     50.06, 50.08, 50.16, 50.18
    fgs_scan:
    cont_dwell:    C
    dwell_pnts:    0
    dwell_secs:       0.00
    scan_width:       0.0000
    scan_length:     30.0000
    sides_angle:    90.0000
    number_lines:  1
    scan_rate:       0.1000
    first_line_pa:  90.0000
    scan_frame:    CEL
    len_offset:       0.0000
    wid_offset:       0.0000

!

    line_list:     50.07, 50.17
    fgs_scan:
    cont_dwell:    C
    dwell_pnts:    0
    dwell_secs:       0.00
    scan_width:       1.0000
    scan_length:     30.0000
    sides_angle:    90.0000
    number_lines:  3
    scan_rate:       0.1000
    first_line_pa:  90.0000
    scan_frame:    CEL
    len_offset:       0.0000
    wid_offset:       0.0000

!

    line_list:     70.06, 70.08, 70.16, 70.18
    fgs_scan:
    cont_dwell:    C
    dwell_pnts:    0
    dwell_secs:       0.00
    scan_width:       0.0000
    scan_length:     30.0000
    sides_angle:    90.0000
    number_lines:  1
    scan_rate:       0.1000
    first_line_pa:  90.0000
    scan_frame:    CEL
    len_offset:       0.0000
    wid_offset:       0.0000

!

    line_list:     70.07, 70.17
    fgs_scan:
    cont_dwell:    C
    dwell_pnts:    0
    dwell_secs:       0.00
    scan_width:       1.0000
    scan_length:     30.0000
    sides_angle:    90.0000
    number_lines:  3
    scan_rate:       0.1000
    first_line_pa:  90.0000
    scan_frame:    CEL
    len_offset:       0.0000
    wid_offset:       0.0000

!

    line_list:     100.06, 100.08, 100.16, 100.18
    fgs_scan:
    cont_dwell:    C
    dwell_pnts:    0
    dwell_secs:       0.00
    scan_width:       0.0000
    scan_length:     30.0000
    sides_angle:    90.0000
    number_lines:  1
    scan_rate:       0.1000
    first_line_pa:  90.0000
    scan_frame:    CEL
    len_offset:       0.0000
    wid_offset:       0.0000

!

    line_list:     100.07, 100.17
    fgs_scan:
    cont_dwell:    C
    dwell_pnts:    0
    dwell_secs:       0.00
    scan_width:       1.0000
    scan_length:     30.0000
    sides_angle:    90.0000
    number_lines:  3
    scan_rate:       0.1000
    first_line_pa:  90.0000
    scan_frame:    CEL
    len_offset:       0.0000
    wid_offset:       0.0000

!

    line_list:     120.06, 120.08, 120.16, 120.18
    fgs_scan:
    cont_dwell:    C
    dwell_pnts:    0
    dwell_secs:       0.00
    scan_width:       0.0000
    scan_length:     30.0000
    sides_angle:    90.0000
    number_lines:  1
    scan_rate:       0.1000
    first_line_pa:  90.0000
    scan_frame:    CEL
    len_offset:       0.0000
    wid_offset:       0.0000

!

    line_list:     120.07, 120.17
    fgs_scan:
    cont_dwell:    C
    dwell_pnts:    0
    dwell_secs:       0.00
    scan_width:       1.0000
    scan_length:     30.0000
    sides_angle:    90.0000
    number_lines:  3
    scan_rate:       0.1000
    first_line_pa:  90.0000
    scan_frame:    CEL
    len_offset:       0.0000
    wid_offset:       0.0000

!

    line_list:     130.06, 130.08, 130.16, 130.18
    fgs_scan:
    cont_dwell:    C
    dwell_pnts:    0
    dwell_secs:       0.00
    scan_width:       0.0000
    scan_length:     30.0000
    sides_angle:    90.0000
    number_lines:  1
    scan_rate:       0.1000
    first_line_pa:  90.0000
    scan_frame:    CEL
    len_offset:       0.0000
    wid_offset:       0.0000

!

    line_list:     130.07, 130.17
    fgs_scan:
    cont_dwell:    C
    dwell_pnts:    0
    dwell_secs:       0.00
    scan_width:       1.0000
    scan_length:     30.0000
    sides_angle:    90.0000
    number_lines:  3
    scan_rate:       0.1000
    first_line_pa:  90.0000
    scan_frame:    CEL
    len_offset:       0.0000
    wid_offset:       0.0000

!

    line_list:     140.06, 140.08, 140.16, 140.18
    fgs_scan:
    cont_dwell:    C
    dwell_pnts:    0
    dwell_secs:       0.00
    scan_width:       0.0000
    scan_length:     30.0000
    sides_angle:    90.0000
    number_lines:  1
    scan_rate:       0.1000
    first_line_pa:  90.0000
    scan_frame:    CEL
    len_offset:       0.0000
    wid_offset:       0.0000

!

    line_list:     140.07, 140.17
    fgs_scan:
    cont_dwell:    C
    dwell_pnts:    0
    dwell_secs:       0.00
    scan_width:       1.0000
    scan_length:     30.0000
    sides_angle:    90.0000
    number_lines:  3
    scan_rate:       0.1000
    first_line_pa:  90.0000
    scan_frame:    CEL
    len_offset:       0.0000
    wid_offset:       0.0000

!
! end of scan data