Page 1 PROPOSAL FOR HUBBLE SPACE TELESCOPE OBSERVATIONS ST ScI Use Only ID 4970c Report Date: 09-May-96:20:13 Version: ********** Check-in Date: ********** 1.Proposal Title: OPPORTUNITY OCCULTATIONS BY SMALL BODIES - CYC2HIGH ------------------------------------------------------------------------------------ 2. Scientific Category 3. Proposal For 4. Proposal Type 5. Continuation ID SOLAR SYSTEM GTO/HSP Target of Oppt. 1079 Sub Category ------------------------------------------------------------------------------------ 6. Principal Investigator Institution Country Telephone Robert C. Bless WISCONSIN, UNIVERSITY OF USA (608)262-1715 ------------------------------------------------------------------------------------ 7. Abstract Although an occultation by any specific comet, asteroid, satellite, or Pluto is unlikely to be observable from the ST, the scientific return from such an event would be great because of the superior signal-to-noise ratio achievable with the ST for occultation observations. We propose to observe occultations by these bodies with the ST, as the opportunites arise, to probe their atmospheres, determine their sizes and achieve other goals. With such diverse possibilities, one must examine each opportunity as it occurs and formulate an observing strategy to fit that particular case. Revision History: Prepared for future cycles submission--ASB 4/24/92; cycle 2 changes, ASB 1/24/93; ------------------------------------------------------------------------------------ 8. Scientific Key Words: COMET, ASTEROID, SATELLITE, PLUTO, OCCULTATION ------------------------------------------------------------------------------------ 9. Est obs time (hours) pri: 9.47 par: 0 10. Num targs pri: 5 par: 0 ------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------ 12. Special sched req: Time Critical obs. ------------------------------------------------------------------------------------ Page 2 I. GENERAL FORM Proposal 4970c PI: Robert C. Bless Proposal Title: OPPORTUNITY OCCULTATIONS BY SMALL BODIES - CYC2HIGH ------------------------------------------------------------------------------------ 1. Proposers: Proposers Institution Country ESA ------------------------------------------------------------------------------------ Edward L. Robinson TEXAS, UNIVERSITY OF USA Robert C. Bless WISCONSIN, UNIVERSITY OF USA G. W. Van Citters NATIONAL SCIENCE FOUNDATION USA Joseph F. Dolan NASA, GODDARD SPACE FLIGHT USA CENTER Richard L. White SPACE TELESCOPE SCIENCE USA INSTITUTE James L. Elliot MASSACHUSETTS INSTITUTE OF USA TECHNOLOGY ------------------------------------------------------------------------------------ 3. Description of proposed observations. We plan to identify those occultations of sufficient signal-to-noise ratio to achieve the goals outlined in Section 2. Each observation will require (i) onboard acquisition to verify the guide stars; and (ii) a time series run on the object with whatever filter aperture combination that is chosen for the observation. For some occultations to be observed in the far UV, prior multi- filter photometry of the object will be necessary in order to determine the most appropriate filter to use for the occultation. For now, we shall assume that the calibration and observation time will average about 60 minutes per occultation observed. ------------------------------------------------------------------------------------ 4. Justification of need for HST observations. We can achieve a much better signal-to-noise ratio for the temperature profiles and other information than can be obtained for small body occultations than has been possible from the ground for the following reasons: (i) the greatly improved photometric stability of ST photometry, which will substantially reduce the errors in the numerical inversion of the data that is necessary to obtain the temperature profiles; (ii) our ability to reject background light from the occulting object (such as a comet ) by employing small focal plane apertures; and (iii) the absence of scintillation noise, which has strong components at frequencies comparable to the occultation timescale. ------------------------------------------------------------------------------------ 7. Data reduction and analysis plans. Data will be reduced and analyzed at MIT with DEC 5000 belonging to the planetary astronomy group. ------------------------------------------------------------------------------------ 10. Resources to be supplied by investigator's institution(s). TBD ------------------------------------------------------------------------------------ 13. An observation of an occultation by a comet, asteroid, satellite, or Pluto would yield a variety of information. For example, we could gain further information about the atmospheres of Pluto and Triton, including knowledge of the composition and structure of their atmospheres. Also, the presence of possible material in the neighborhood of an asteroid could be obtained. Opportunity stellar occultations by small bodies are proposed to be observed with the HSP or FOS. ------------------------------------------------------------------------------------ 11. Address Information Page 3 Name: ROBERT C. BLESS Category: PI Institution: UNIVERSITY OF WISCONSIN Address: DEPARTMENT OF ASTRONOMY 475 NORTH CHARTER STREET City: MADISON State: WI Zip Code: 53706 Country: USA Telephone: 608-262-1715 Telex (or e-mail): ------------------------------------------------------------------------------------ TARGET LIST a) Fixed Targets ID = 4970c [ 4] ------------------------------------------------------------------------------------------------------------------------------------ 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial |Acqui|FLX| Flux data No | Name | Description | Position |Eqnx | Vel. |Prblm|REF| | | | | | | | | ------------------------------------------------------------------------------------------------------------------------------------ 10 TR60 GSC6309 STAR TO BE OCCULTED BY PLATE-ID = 01O4, J2000 BKG 1 R = 13.9 +/- 0.5 -01811 TRITON. RA = 19H 25M 37.380S +/- CLOSE APPROACH AT 10- 0.02", JUL-93:22:18 DEC = -21D 17' 32.32" +/- 0.07", Comments: SOLAR ELONG 179D ------------------------------------------------------------------------------------------------------------------------------------ 11 TR60-OFFSET OFFSET TARGET FOR TR60 PLATE-ID = 01O4, J2000 1 R = 14.9 +/- 0.1 GSC6309- RA = 19H 25M 39.898S +/- 01437 0.04", DEC = -21D 17' 53.14" +/- 0.08", ------------------------------------------------------------------------------------------------------------------------------------ 14 P20.03 STAR TO BE OCCULTED BY PLATE-ID = 03UU, J2000 BKG 1 R = 12.0 +/- 0.5 GSC5031- PLUTO. RA = 15H 55M 19.745S +/- 00470 CLOSE APPROACH AT 4-FEB 0.2", -94:21:40 DEC = -6D 4' 51.31" +/- 0.2", Comments: STAR POSITION WILL BE UPDATED BETWEEN 1.5 AND 4 MONTHS BEFORE OCCULTATION DATE. CONTACT: AMANDA S. BOSH, MIT SOLAR ELONG 78D ------------------------------------------------------------------------------------------------------------------------------------ 15 P20.03- OFFSET TARGET FOR RA = 15H 55M 19.251S +/- J2000 1 R = 15.0 +/- 0.5 OFFSET STAR- P20.03 0.2", 155519- DEC = -6D 4' 0.04" +/- 0.2", 060400 Comments: STAR POSITION WILL BE UPDATED BETWEEN 1.5 AND 4 MONTHS BEFORE OCCULTATION DATE. CONTACT: AMANDA S. BOSH, MIT ------------------------------------------------------------------------------------------------------------------------------------ 16 GSC5809- STAR TO BE OCCULTED BY PLATE-ID = 044F, J2000 BKG 1 B = 13.1 +/- 0.5 00117 TITAN. RA = 22H 09M 51.884S +/- CLOSE APPROACH AT 5-JUL 0.03", -93:02:40 DEC = -12D 49' 41.04" +/- 0.06", Comments: SOLAR ELONG 133D ------------------------------------------------------------------------------------------------------------------------------------ 17 00117-OFFSET OFFSET TARGET FOR RA = 22H 09M 49.310S +/- J2000 1 B = 16.1 +/- 0.1 STAR-2210- GSC5809-00117 0.03", 1249 DEC = -12D 49' 27.97" +/- 0.06", ------------------------------------------------------------------------------------------------------------------------------------ 18 GSC5801- STAR TO BE OCCULTED BY PLATE-ID = 00CT, J2000 BKG 1 B = 11.1 +/- 0.5 00585 TITAN. RA = 21H 50M 05.959S +/- CLOSE APPROACH AT 22- 0.04", SEP-93:5:41 DEC = -14D 43' 03.45" +/- 0.02", Comments: SOLAR ELONG 145D ------------------------------------------------------------------------------------------------------------------------------------ TARGET LIST a) Fixed Targets ID = 4970c [ 5] ------------------------------------------------------------------------------------------------------------------------------------ 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial |Acqui|FLX| Flux data No | Name | Description | Position |Eqnx | Vel. |Prblm|REF| | | | | | | | | ------------------------------------------------------------------------------------------------------------------------------------ 19 00585-OFFSET OFFSET TARGET FOR PLATE-ID = 00CT, J2000 1 B = 14.1 +/- 0.1 GSC5801- GSC5801-00585 RA = 21H 50M 03.746S +/- 00481 0.04", DEC = -14D 42' 54.87" +/- 0.04", ------------------------------------------------------------------------------------------------------------------------------------ 20 GSC5813- STAR TO BE OCCULTED BY PLATE-ID = 02NW, J2000 BKG 1 B = 13.5 +/- 0.5 00693 TITAN. RA = 22H 56M 56.356S +/- CLOSE APPROACH AT 6-JUN 0.05", -94:06:00 DEC = -8D 32' 10.06" +/- 0.04", Comments: SOLAR ELONG 93D ------------------------------------------------------------------------------------------------------------------------------------ 21 00693-OFFSET OFFSET TARGET FOR RA = 22H 56M 57.514S +/- J2000 1 B = 16.1 +/- 0.1 STAR-2257- GSC5813-00693 0.05", 0833 DEC = -8D 32' 31.28" +/- 0.05", ------------------------------------------------------------------------------------------------------------------------------------ TARGET LIST b)Solar System Targets ID = 4970c [ 6] ------------------------------------------------------------------------------------------------------------------------------------ TARGET NUMBER: 25 | TARGET NAME: 00117-BACKGROUND ------------------------------------------------------------------------------------------------------------------------------------ TARGET DESCRIPTION: OFFSET TITAN ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 1 | TARGET POSITION LEVEL 2 | STD = TITAN | TYPE = POS_ANGLE, | RAD = 7.5, | ANG = 71, | REF = NORTH | ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 3 | WINDOWS | | ------------------------------------------------------------------------------------------------------------------------------------ REF | DATA | COMMENTS | | | | FOR USE IN A SCAN OF BACKGROUND | | LEVELS ALONG THE PATH OF THE | | OCCULTED STAR | ------------------------------------------------------------------------------------------------------------------------------------ TARGET NUMBER: 30 | TARGET NAME: TITAN-CENTER ------------------------------------------------------------------------------------------------------------------------------------ TARGET DESCRIPTION: SATELLITE TITAN ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 1 | TARGET POSITION LEVEL 2 | STD = TITAN, ACQ = 0.1 | | ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 3 | WINDOWS | | ------------------------------------------------------------------------------------------------------------------------------------ REF | DATA | COMMENTS | | 1 |V = 8.3 +/- 0.5 | ACQUISITION TARGET FOR BACKGROUND | | SCANS | ------------------------------------------------------------------------------------------------------------------------------------ EXPOSURE LOGSHEET ID = 4970c [ 7] ------------------------------------------------------------------------------------------------------------------------------------ 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |10 | 11 | 12 |13 |14| 15 ------------------------------------------------------------------------------------------------------------------------------------ Line | Seq | Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | S/N |Flx|Pr| Special Number | Name | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| |Rel. Time|Ref| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 4 DEFINE # HSP/ ACQ 1 1S 1 1 ONBRD- VIS ACQ ------------------------------------------------------------------------------------------------------------------------------------ 6 DEFINE # HSP/ SPLIT 1.0 F750W/ # 1 1S 1 1 SPATIAL SCAN BACK- PMT/ F320N SCAN VIS ------------------------------------------------------------------------------------------------------------------------------------ 7 DEFINE # HSP/ SPLIT 1.0 F750W/ # 1 1M 1 1 RING- PMT/ F320N OCC VIS ------------------------------------------------------------------------------------------------------------------------------------ 7.5 DEFINE ^ S/C DATA NONE FORMAT=FN 1 ^ 1 PAR WITH 7.0 RING- OCC Comments: CAPTURE FGS TLM DURING OCCULTATION. ------------------------------------------------------------------------------------------------------------------------------------ 10.04 USE TR60-OFFSET X120 ONBOARD ACQ FOR ONBRD- 10.10 ACQ SEQ 10.04 - 10.10 NO GAP PCS MODE F / 10.04 - 10.10 Comments: USE FINE LOCK FOR OBSERVATION CYCLE 2 / 10.04 - IF BRIGHT ENOUGH GUIDE STARS 10.10 CAN BE FOUND. IF NOT, COARSE TRACK IS ACCEPTABLE. ------------------------------------------------------------------------------------------------------------------------------------ 10.1 USE TR60 SAMPLE- X60 AT 10-JUL-93:21:49 RING- TIME=0.01 +/- 1M OCC DATA-FORMAT=ALL CRIT OBS PMT-ANALOG=100 VIS-ANALOG=100 Comments: END EXPOSURE AT 10-JUL- 93:22:49. OCCULTATION TIME UNCERTAIN. TIME WILL BE UPDATED BETWEEN 1.5 AND 4 MONTHS PRIOR TO OBSERVATION. CONTACT: AMANDA S. BOSH, MIT ------------------------------------------------------------------------------------------------------------------------------------ 12.04 USE P20.03- X120 ONBOARD ACQ FOR ONBRD- OFFSET 12.10 ACQ SEQ 12.04 - 12.10 NO GAP PCS MODE F / 12.04 - 12.10 Comments: USE FINE LOCK FOR OBSERVATION CYCLE 2 / 12.04 - IF BRIGHT ENOUGH GUIDE STARS 12.10 CAN BE FOUND. IF NOT, COARSE TRACK IS ACCEPTABLE. ------------------------------------------------------------------------------------------------------------------------------------ EXPOSURE LOGSHEET ID = 4970c [ 8] ------------------------------------------------------------------------------------------------------------------------------------ 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |10 | 11 | 12 |13 |14| 15 ------------------------------------------------------------------------------------------------------------------------------------ Line | Seq | Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | S/N |Flx|Pr| Special Number | Name | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| |Rel. Time|Ref| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 12.1 USE P20.03 SAMPLE- X60 AT 4-FEB-94:21:11 RING- TIME=0.01 +/- 1M OCC DATA-FORMAT=ALL CRIT OBS PMT-ANALOG=100 VIS-ANALOG=100 Comments: END EXPOSURE AT 4-FEB-94:22:10. ------------------------------------------------------------------------------------------------------------------------------------ 13 USE TITAN- X1 ONBOARD ACQ FOR ONBRD- CENTER 13.01 ACQ SEQ 13.00 - 13.01 NO GAP CYCLE 2 / 13.00 - 13.28 ------------------------------------------------------------------------------------------------------------------------------------ 13.01 USE 00117- SAMPLE- X200 SEQ 13.01 - 13.03 BACK- BACKGROUND TIME=0.01 GROUP 13.01 - SCAN DATA-FORMAT=ALL 13.04 WITHIN 9H PMT-ANALOG=1000 VIS-ANALOG=100 ------------------------------------------------------------------------------------------------------------------------------------ 13.02 USE 00117- SAMPLE- X200 BACK- BACKGROUND TIME=0.01 SCAN DATA-FORMAT=ALL PMT-ANALOG=1000 VIS-ANALOG=100 ------------------------------------------------------------------------------------------------------------------------------------ 13.03 USE 00117- SAMPLE- X200 BACK- BACKGROUND TIME=0.01 SCAN DATA-FORMAT=ALL PMT-ANALOG=1000 VIS-ANALOG=100 ------------------------------------------------------------------------------------------------------------------------------------ 13.04 USE 00117- X180 ONBOARD ACQ FOR ONBRD- OFFSET 13.10 ACQ SEQ 13.04 - 13.10 NO GAP PCS MODE F / 13.04 - 13.10 Comments: USE FINE LOCK FOR OBSERVATION IF BRIGHT ENOUGH GUIDE STARS CAN BE FOUND. IF NOT, COARSE TRACK IS ACCEPTABLE. ------------------------------------------------------------------------------------------------------------------------------------ 13.1 USE GSC5809- SAMPLE- X60 AT 5-JUL-93:02:11 RING- 00117 TIME=0.01 +/- 1M OCC DATA-FORMAT=ALL CRIT OBS PMT-ANALOG=1000 VIS-ANALOG=100 Comments: END EXPOSURE AT 5-JUL-93:03:10. ------------------------------------------------------------------------------------------------------------------------------------ EXPOSURE LOGSHEET ID = 4970c [ 9] ------------------------------------------------------------------------------------------------------------------------------------ 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |10 | 11 | 12 |13 |14| 15 ------------------------------------------------------------------------------------------------------------------------------------ Line | Seq | Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | S/N |Flx|Pr| Special Number | Name | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| |Rel. Time|Ref| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 13.25 USE TITAN- X1 ONBOARD ACQ FOR ONBRD- CENTER 13.26 ACQ SEQ 13.25 - 13.26 NO GAP ------------------------------------------------------------------------------------------------------------------------------------ 13.26 USE 00117- SAMPLE- X200 SEQ 13.26 - 13.28 BACK- BACKGROUND TIME=0.01 GROUP 13.10 - SCAN DATA-FORMAT=ALL 13.28 WITHIN 9H PMT-ANALOG=1000 VIS-ANALOG=100 ------------------------------------------------------------------------------------------------------------------------------------ 13.27 USE 00117- SAMPLE- X200 BACK- BACKGROUND TIME=0.01 SCAN DATA-FORMAT=ALL PMT-ANALOG=1000 VIS-ANALOG=100 ------------------------------------------------------------------------------------------------------------------------------------ 13.28 USE 00117- SAMPLE- X200 BACK- BACKGROUND TIME=0.01 SCAN DATA-FORMAT=ALL PMT-ANALOG=1000 VIS-ANALOG=100 ------------------------------------------------------------------------------------------------------------------------------------ 14.04 USE 00585- X40 ONBOARD ACQ FOR ONBRD- OFFSET 14.10 ACQ SEQ 14.04 - 14.10 NO GAP PCS MODE F / 14.04 - 14.10 Comments: USE FINE LOCK FOR OBSERVATION CYCLE 2 / 14.04 - IF BRIGHT ENOUGH GUIDE STARS 14.10 CAN BE FOUND. IF NOT, COARSE TRACK IS ACCEPTABLE. ------------------------------------------------------------------------------------------------------------------------------------ 14.1 USE GSC5801- SAMPLE- X60 AT 22-SEP-93:05:12 RING- 00585 TIME=0.01 +/- 1M OCC DATA-FORMAT=ALL CRIT OBS PMT-ANALOG=1000 VIS-ANALOG=100 Comments: END EXPOSURE AT 22-SEP- 93:06:11. ------------------------------------------------------------------------------------------------------------------------------------ 15.04 USE 00693- X180 ONBOARD ACQ FOR ONBRD- OFFSET 15.10 ACQ SEQ 15.04 - 15.10 NO GAP PCS MODE F / 15.04 - 15.10 Comments: USE FINE LOCK FOR OBSERVATION CYCLE 2 / 15.04 - IF BRIGHT ENOUGH GUIDE STARS 15.10 CAN BE FOUND. IF NOT, COARSE TRACK IS ACCEPTABLE. ------------------------------------------------------------------------------------------------------------------------------------ EXPOSURE LOGSHEET ID = 4970c [ 10] ------------------------------------------------------------------------------------------------------------------------------------ 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |10 | 11 | 12 |13 |14| 15 ------------------------------------------------------------------------------------------------------------------------------------ Line | Seq | Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | S/N |Flx|Pr| Special Number | Name | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| |Rel. Time|Ref| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 15.1 USE GSC5813- SAMPLE- X60 AT 6-JUN-94:05:31 RING- 00693 TIME=0.01 +/- 1M OCC DATA-FORMAT=ALL CRIT OBS PMT-ANALOG=1000 VIS-ANALOG=100 Comments: END EXPOSURE AT 6-JUN-94:06:30. ------------------------------------------------------------------------------------------------------------------------------------ Scan Paramters Form Proposal ID: 4970c [ 11] ------------------------------------------------------------------------------------------------------------------------------------ Data ID: 1 Exposure Logsheet lines: 13.01, 13.03, 13.26, FGS Scan: CONTINUOUS Dwell Only: dwell points/line: 0 Seconds per dwell: 0.00 Scan width (arc-secs): 0.0000 Scan length (arc-secs): 15.0000 Angle between sides (degrees) 90.00 Number of lines: 1 Scan rate (arc-sec/sec): 0.0750 PA of first scan line (degrees) 251.000 Scan frame (CEL or S/C): CEL Length Offset (arc-sec): 0. Width Offset (arc-sec): 0 ------------------------------------------------------------------------------------------------------------------------------------ Data ID: 2 Exposure Logsheet lines: 13.02, 13.27 FGS Scan: CONTINUOUS Dwell Only: dwell points/line: 0 Seconds per dwell: 0.00 Scan width (arc-secs): 1.0000 Scan length (arc-secs): 15.0000 Angle between sides (degrees) 90.00 Number of lines: 3 Scan rate (arc-sec/sec): 0.0750 PA of first scan line (degrees) 251.000 Scan frame (CEL or S/C): CEL Length Offset (arc-sec): 0. Width Offset (arc-sec): 0.5000 ------------------------------------------------------------------------------------------------------------------------------------ Summary Form for Proposal 4970c [ 12] Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Configurations HSP/VIS HSP/PMT/VIS S/C ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACQ SPLIT DATA ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters FORMAT=FN SAMPLE-TIME DATA-FORMAT PMT-ANALOG VIS-ANALOG ------------------------------------------------------------------------------------------------------------------------------------ Proposal for GTO/HSP ------------------------------------------------------------------------------------------------------------------------------------ S/C Hours 9.47 ------------------------------------------------------------------------------------------------------------------------------------ Scientific Category SOLAR SYSTEM ------------------------------------------------------------------------------------------------------------------------------------ Scientific Sub-category ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements SPATIAL SCAN; PAR WITH 7.0; ONBOARD ACQ FOR 10.10; SEQ 10.04 - 10.10 NO GAP; PCS MODE F / 10.04 - 10.10; CYCLE 2 / 10.04 - 10.10; AT 10-JUL-93 21 49 +/- 1M; CRIT OBS; ONBOARD ACQ FOR 12.10; SEQ 12.04 - 12.10 NO GAP; PCS MODE F / 12.04 - 12.10; CYCLE 2 / 12.04 - 12.10; AT 4-FEB-94 21 11 +/- 1M; ONBOARD ACQ FOR 13.01; SEQ 13.00 - 13.01 NO GAP; CYCLE 2 / 13.00 - 13.28; SEQ 13.01 - 13.03; GROUP 13.01 - 13.04 WITHIN 9H; ONBOARD ACQ FOR 13.10; SEQ 13.04 - 13.10 NO GAP; PCS MODE F / 13.04 - 13.10; AT 5-JUL-93 02 11 +/- 1M; ONBOARD ACQ FOR 13.26; SEQ 13.25 - 13.26 NO GAP; SEQ 13.26 - 13.28; GROUP 13.10 - 13.28 WITHIN 9H; ONBOARD ACQ FOR 14.10; SEQ 14.04 - 14.10 NO GAP; PCS MODE F / 14.04 - 14.10; CYCLE 2 / 14.04 - 14.10; AT 22-SEP-93 05 12 +/- 1M; ONBOARD ACQ FOR 15.10; SEQ 15.04 - 15.10 NO GAP; PCS MODE F / 15.04 - 15.10; CYCLE 2 / 15.04 - 15.10; AT 6-JUN-94 05 31 +/- 1M; ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F750W/F320N ------------------------------------------------------------------------------------------------------------------------------------ Target Names TR60 GSC6309-01811 TR60-OFFSET GSC6309-01437 P20.03 GSC5031-00470 P20.03-OFFSET STAR-155519-060400 GSC5809-00117 00117-OFFSET STAR-2210-1249 GSC5801-00585 00585-OFFSET GSC5801-00481 GSC5813-00693 00693-OFFSET STAR-2257-0833 00117-BACKGROUND TITAN-CENTER ------------------------------------------------------------------------------------------------------------------------------------