JWST Proposal 1247 (Created: Wednesday, April 14, 2021 at 1:32:54 PM Eastern Standard Time) - Overview

1247 - Cycle: 1, Proposal Category: GTO

INVESTIGATORS Name Institution E-Mail Dr. Leigh Fletcher (PI) (ESA Member) University of Leicester [email protected] Matthew Tiscareno (CoI) SETI Institute [email protected] Dr. Stefanie N. Milam (CoI) (US Admin CoI) NASA Goddard Space Flight Center stefanie.n.milam@.gov

OBSERVATIONS Folder Observation Label Observing Template Science Target Saturn Observations 301 System NIRCam 1 NIRCam Imaging (637) SATURN-CENTRE 312 NIRSpec NIRSpec IFU Spectroscopy (617) PANDORA 314 NIRSpec NIRSpec IFU Spectroscopy (611) EPIMETHEUS 318 NIRSpec NIRSpec IFU Spectroscopy (633) PALLENE 319 NIRSpec NIRSpec IFU Spectroscopy (613) TELESTO 341 System NIRCam 2 NIRCam Imaging (637) SATURN-CENTRE 665 Saturn Background MI MIRI Medium Resolution Spectroscopy (2) SATURN-OFFSET RI 330 Saturn Rings MIRI MIRI Medium Resolution Spectroscopy (600) SATURN-RINGS 666 Saturn North Pole MIR MIRI Medium Resolution Spectroscopy (634) SATURN-75N I 667 Saturn 45N MIRI MIRI Medium Resolution Spectroscopy (635) SATURN-45N 668 Saturn 15N MIRI MIRI Medium Resolution Spectroscopy (636) SATURN-15N

ABSTRACT

1 JWST Proposal 1247 (Created: Wednesday, April 14, 2021 at 1:32:54 PM Eastern Standard Time) - Overview Reconnaissance of the Saturn system with NIRCam will test the capacity of JWST to detect faint moons around bright planets, via comparison to the faint targets already detected by Cassini, which will be useful for ERS and GO observers of other planetary systems. Furthermore, the NIRCam images should be sensitive to discovering new moons significantly fainter than any that Cassini has discovered. Any such newly discovered moons would be important dynamical tracers of the current operations and past history of Saturn's planetary system. The NIRCam observations will also establish a baseline for continuing time-domain observations of the planet, rings, and satellites following the 2017 conclusion of the Cassini orbiter mission.

Deep spectra of selected small (Epimetheus, Pandora, Pallene, and Telesto) with NIRSpec IFU will test the capacity of JWST to take deep spectra of faint targets near bright planets, which will be useful for ERS and GO observers of other planetary systems. The NIRSpec IFU spectra will enable cross-calibration with Cassini VIMS, and may improve on its signal-to-noise and spectral resolution (which would enable searches for finer spectral features).

Spectra of Saturn's main rings with MIRI MRS will test the capacity of JWST to take spatially resolved thermal spectra of icy ring systems, will enable cross-calibration with Cassini VIMS and CIRS, will fill a wavelength gap between those two instruments, and may improve on Cassini's signal-to-noise and spectral resolution.

A mosaic of Saturn’s north polar region using MIRI spectro-spatial imaging (5-16 µm) will explore the continued evolution of the polar temperatures, aerosols, and composition, including (i) the expected growth of a wide, hot summer vortex in the stratosphere; (ii) variability within the polar cyclones associated with ammonia, phosphine and aerosols; and (iii) identification of any unique polar chemicals/haze species inaccessible to Cassini in the 5.5-7.5 µm region. These observations will establish a baseline for continuing time-domain observations of Saturn’s seasonal atmosphere following the 2017 conclusion of the Cassini orbiter mission at northern summer solstice.

OBSERVING DESCRIPTION Observations of the Saturn system - its atmosphere, rings and satellites.

Notes:

1. MIRI Saturn Scan: three overlapping footprints (based on the smallest MRS FOV) targetting the northern summer hemisphere. Top priority is a direct view of the northern summer pole and hexagon; secondary priority is to step along the prime meridian towards the equator. We originally

2 JWST Proposal 1247 (Created: Wednesday, April 14, 2021 at 1:32:54 PM Eastern Standard Time) - Overview intended for this to be a mosaic, but given that each MIRI disperser (SHORT/MEDIUM/LONG) would be seperated by too long for each tile, we had to specify each tile as a separate observation without interuption. The TORUS technique is used to ensure that the observations are pointing at the central meridian.

2. MIRI Saturation: The SHORT detectors (Channel 1 and 2) only saturate with ngroups>4, so we have specified 4 groups. For the LONG detectors (Channels 3 and 4), saturation can only be avoided with 2 groups.

3. MIRI dithering: A 4-point dither pattern has been used based on advice from STScI, but this should be optimised for image sampling in Channels 1 and 2, where the observations are least likely to saturate. If a the MIRI team assess that a 2-point dither would be preferred, then we request that this technique can be applied to increase the individual exposure times.

4. MIRI background: A single background exposure will be performed 90" to the north of Saturn, ensuring that no planetary satellites are present within the field of view.

5. Observations 301 (System NIRCam 1) and 341 (System NIRCam 2) would be best if a few hours apart. A natural way to do this is for the NIRSpec observations to be between them.

6. We want to be far out of the FOV for the NIRCam and MIRI observations, thus the Orbital Longitude constraints.

7. We want all the bright moons to be at least 7 arcsec (in the case of Titan, 15 arcsec) from the FOV for the NIRSpec observations, thus the Separation constraints.

3 Proposal 1247-TargetsSaturn Targets Extended=YES Description=Saturn Center Comments: Keyword=Planet (637) Extended=YES Description=Saturn's NorthPole Keyword=Planet The longitudeisnot important,sowehaveusedtheTORUS technique(withtheradiusfor a specificlatitude)toensurepointing atthecentralmeridian. Comments: Third step inMIRIMRScentral-meridianscan. (636) Extended=YES Description=Saturn's Mid-Latitude Keyword=Planet The longitudeisnotimportant,sowe haveusedtheTORUStechnique(withradiusforaspecificlatitude) toensurepointingatthecentralmeridian. Comments: SecondstepinMIRIcentral-meridian scan. (635) Extended=YES Description=Saturn's NorthPole Keyword=Planet The longitudeisnotimportant,sowe haveusedtheTORUStechnique(withradiusforaspecificlatitude) toensurepointingatthecentralmeridian. Comments: MosaicMIRIMRSobservationofSaturn'snorthpole. (634) Extended=Unknown Description=Moon ofSaturn Comments: Keyword=Satellite (633) Extended=Unknown Description=Moon ofSaturn Comments: Keyword=Satellite (617) Extended=Unknown Description=Moon ofSaturn Comments: Keyword=Satellite (613) Extended=Unknown Description=Moon ofSaturn Comments: Keyword=Satellite (611) Extended=Unknown Description=Saturn's MainRings Keyword=Ring Comments: Torustechnique,90degreesforthewestringansa. (600) Extended=YES Description=Saturn BackgroundObservation Comments: Keyword=Planet (2) # SATURN-OFFSET Name SATURN-CENTRE SATURN-15N SATURN-45N SATURN-75N PALLENE PANDORA TELESTO EPIMETHEUS SATURN-RINGS STD=SATURN STD=SATURN STD=SATURN STD=SATURN STD=SATURN Level 1 STD=SATURN STD=SATURN STD=SATURN STD=SATURN STD=SATURN RAD=0 _LONG=0,POLE_LAT=90,O_LONG=0,O_LAT=0,O_ TYPE=TORUS,LONG=0,LAT=75,RAD=54706,POLE STD=PALLENE STD=PANDORA STD=TELESTO STD=EPIMETHEUS O_RAD=0 E_LONG=0,POLE_LAT=+90,O_LONG=0,O_LAT=0, TYPE=TORUS,LONG=90,LAT=0,RAD=105000,POL TYPE=POS_ANGLE,RAD=60,ANG=0,REF=NORTH Level 2 RAD=0 _LONG=0,POLE_LAT=90,O_LONG=0,O_LAT=0,O_ TYPE=TORUS,LONG=0,LAT=15,RAD=59811,POLE RAD=0 _LONG=0,POLE_LAT=90,O_LONG=0,O_LAT=0,O_ TYPE=TORUS,LONG=0,LAT=45,RAD=57088,POLE 4 Level 3 Proposal 1247-Observation301Saturn Special Requirements Spectral Elements Dithers Template Solar System Targets Diagnostics Observation DEFAULT WINDOW: SEPARATIONOFSATURN-CENTRE TITANFROMJWSTGREATER THAN10" DEFAULT WINDOW: SEPARATIONOFSATURN-CENTRE RHEAFROMJWSTGREATER THAN10" DEFAULT WINDOW: NOTECLIPSEPENUMBRAL PARTIALOFSATURN-CENTRE BYTITANFROMJWST NOT ORBITALLONGITUDE OFTITANFROMJWST BETWEEN290360 NOT ORBITALLONGITUDE OFTITANFROMJWST BETWEEN110250 NOT ORBITALLONGITUDE OFTITANFROMJWST BETWEEN070 DEFAULT WINDOW:ANGULAR RATESATURN-CENTREFROMJWSTLESSTHAN0.03 341 After301by4Hoursto6 2 1 # 1 # B Module Extended=YES Description=Saturn Center Comments: Keyword=Planet (637) # (Visit 301:1)Warning(Form):OverheadsareprovisionaluntiltheVisitPlanner hasbeenrun. Observing Template:NIRCamImaging Diagnostic Status:Warning Proposal 1247,Observation301:SystemNIRCam1 SATURN-CENTRE Name F150W2 F150W2 Short Filter NONE Primary DitherType F322W2 F322W2 Long Filter STD=SATURN Level 1 Readout Pattern SHALLOW2 MEDIUM2 Primary Dithers Groups/Int 2 2 Level 2 5 Integrations/Exp STANDARD Subpixel DitherType FULL Subarray 1 10 Total Integrations 2 20 Dither Size 2 2 Total Dithers Level 3 150.315 2770.087 Time Total Exposure 2 Subpixel Positions Wed Apr1418:32:54GMT2021 ID ETC Wkbk.Calc Proposal 1247-Observation312Saturn Special Requirements Spectral Elements Dithers Template Solar System Targets Diagnostics Observation DEFAULT WINDOW: NOTOCCULTATIONOFPANDORA BYSATURNFROMJWST SEPARATION OF PANDORAIAPETUSFROMJWST GREATERTHAN7" SEPARATION OF PANDORATITANFROMJWST GREATERTHAN15" SEPARATION OF PANDORARHEAFROMJWST GREATER THAN7" SEPARATION OF PANDORADIONEFROMJWST GREATERTHAN7" SEPARATION OF PANDORATETHYSFROMJWST GREATERTHAN7" SEPARATION OFPANDORAENCELADUS FROMJWSTGREATERTHAN7" SEPARATION OFPANDORAMIMAS FROMJWSTGREATERTHAN7" DEFAULT WINDOW:ANGULAR RATEPANDORAFROMJWSTLESSTHAN0.03 1 # 1 # NONE TA Method Extended=Unknown Description=Moon ofSaturn Comments: Keyword=Satellite (617) # (Visit 312:1)Warning(Form):OverheadsareprovisionaluntiltheVisitPlanner hasbeenrun. observation. Oncethelatterhasbeendetermined,wewillneedtorevisitthisconstraint. Comments: TheorbitallongitudeconstraintisdependentonwhethertheIFUwillbeleft-handorright-handedgeofMSA,asseen on theimageplane,whichmeansitisdependingepochof Observing Template:NIRSpecIFUSpectroscopy Diagnostic Status:Warning Proposal 1247,Observation312:PandoraNIRSpec PANDORA Name PRISM/CLEAR Grating/Filter NRSRAPID Pattern Readout 2-POINT-NOD Dither Type STD=SATURN Level 1 2 Groups/Int p Integrations/Ex Size 3 Leakcal false STD=PANDORA Level 2 6 Dither Starting Point true Autocal NONE 2 Total Dithers Number ofPoints Level 3 6 Integrations Total 193.262 Time Total Exposure Points Wed Apr1418:32:54GMT2021 Wkbk.Calc ID ETC Proposal 1247-Observation314Saturn Special Requirements Spectral Elements Dithers Template Solar System Targets Diagnostics Observation SEPARATION OF EPIMETHEUSIAPETUSFROM JWST GREATERTHAN7" SEPARATION OF EPIMETHEUSTITANFROMJWST GREATERTHAN15" SEPARATION OF EPIMETHEUSRHEAFROMJWST GREATERTHAN7" SEPARATION OF EPIMETHEUSDIONEFROMJWST GREATERTHAN7" SEPARATION OF EPIMETHEUSTETHYSFROMJWST GREATERTHAN7" SEPARATION OF EPIMETHEUSENCELADUSFROM JWSTGREATERTHAN7" SEPARATION OFEPIMETHEUSMIMAS FROMJWSTGREATERTHAN7" DEFAULT WINDOW:NOTOCCULTATION OFEPIMETHEUSBYSATURNFROMJWST DEFAULT WINDOW:ANGULAR RATEEPIMETHEUSFROMJWSTLESSTHAN0.03 1 # 1 # NONE TA Method Extended=Unknown Description=Moon ofSaturn Comments: Keyword=Satellite (611) # (Visit 314:1)Warning(Form):OverheadsareprovisionaluntiltheVisitPlanner hasbeenrun. observation. Oncethelatterhasbeendetermined,wewillneedtorevisitthisconstraint. Comments: TheorbitallongitudeconstraintisdependentonwhethertheIFUwillbeleft-handorright-handedgeofMSA,asseen on theimageplane,whichmeansitisdependingepochof Observing Template:NIRSpecIFUSpectroscopy Diagnostic Status:Warning Proposal 1247,Observation314:EpimetheusNIRSpec EPIMETHEUS Name PRISM/CLEAR Grating/Filter NRSRAPID Pattern Readout 2-POINT-NOD Dither Type STD=SATURN Level 1 2 Groups/Int p Integrations/Ex Size 3 Leakcal false STD=EPIMETHEUS Level 2 7 Dither Starting Point true Autocal NONE 2 Total Dithers Number ofPoints Level 3 6 Integrations Total 193.262 Time Total Exposure Points Wed Apr1418:32:54GMT2021 Wkbk.Calc ID ETC Proposal 1247-Observation318Saturn Special Requirements Spectral Elements Dithers Template Solar System Targets Diagnostics Observation SEPARATION OF PALLENEIAPETUSFROMJWST GREATERTHAN7" SEPARATION OF PALLENETITANFROMJWST GREATER THAN15" SEPARATION OF PALLENERHEAFROMJWSTGREATER THAN7" SEPARATION OF PALLENEDIONEFROMJWST GREATER THAN7" SEPARATION OF PALLENETETHYSFROMJWST GREATERTHAN7" SEPARATION OF PALLENEENCELADUSFROM JWST GREATERTHAN7" SEPARATION OFPALLENEMIMAS FROMJWSTGREATERTHAN7" DEFAULT WINDOW:NOTOCCULTATION OFPALLENEBYSATURNFROMJWST DEFAULT WINDOW:ANGULAR RATEPALLENEFROMJWSTLESSTHAN0.03 1 # 1 # NONE TA Method Extended=Unknown Description=Moon ofSaturn Comments: Keyword=Satellite (633) # (Visit 318:1)Warning(Form):OverheadsareprovisionaluntiltheVisitPlanner hasbeenrun. observation. Oncethelatterhasbeendetermined,wewillneedtorevisitthisconstraint. Comments: TheorbitallongitudeconstraintisdependentonwhethertheIFUwillbeleft-handorright-handedgeofMSA,asseen on theimageplane,whichmeansitisdependingepochof Observing Template:NIRSpecIFUSpectroscopy Diagnostic Status:Warning Proposal 1247,Observation318:PalleneNIRSpec PALLENE Name PRISM/CLEAR Grating/Filter D NRSIRS2RAPI Pattern Readout 2-POINT-NOD Dither Type STD=SATURN Level 1 44 Groups/Int p Integrations/Ex Size 1 Leakcal false STD=PALLENE Level 2 8 Dither Starting Point true Autocal NONE 2 Total Dithers Number ofPoints Level 3 2 Integrations Total 1313.0 Time Total Exposure Points Wed Apr1418:32:54GMT2021 Wkbk.Calc ID ETC Proposal 1247-Observation319Saturn Special Requirements Spectral Elements Dithers Template Solar System Targets Diagnostics Observation SEPARATION OF TELESTOIAPETUSFROMJWST GREATERTHAN7" SEPARATION OF TELESTOTITANFROMJWSTGREATER THAN15" SEPARATION OF TELESTORHEAFROMJWSTGREATER THAN7" SEPARATION OF TELESTODIONEFROMJWST GREATER THAN7" SEPARATION OF TELESTOTETHYSFROMJWST GREATERTHAN7" SEPARATION OF TELESTOENCELADUSFROM JWST GREATERTHAN7" SEPARATION OFTELESTOMIMAS FROMJWSTGREATERTHAN7" DEFAULT WINDOW:NOTOCCULTATION OFTELESTOBYSATURNFROMJWST DEFAULT WINDOW:ANGULAR RATETELESTOFROMJWSTLESSTHAN0.03 1 # 1 # NONE TA Method Extended=Unknown Description=Moon ofSaturn Comments: Keyword=Satellite (613) # (Visit 319:1)Warning(Form):OverheadsareprovisionaluntiltheVisitPlanner hasbeenrun. observation. Oncethelatterhasbeendetermined,wewillneedtorevisitthisconstraint. Comments: TheorbitallongitudeconstraintisdependentonwhethertheIFUwillbeleft-handorright-handedgeofMSA,asseen on theimageplane,whichmeansitisdependingepochof Observing Template:NIRSpecIFUSpectroscopy Diagnostic Status:Warning Proposal 1247,Observation319:TelestoNIRSpec TELESTO Name PRISM/CLEAR Grating/Filter D NRSIRS2RAPI Pattern Readout 2-POINT-NOD Dither Type STD=SATURN Level 1 15 Groups/Int p Integrations/Ex Size 1 Leakcal false STD=TELESTO Level 2 9 Dither Starting Point true Autocal NONE 2 Total Dithers Number ofPoints Level 3 2 Integrations Total 466.844 Time Total Exposure Points Wed Apr1418:32:54GMT2021 Wkbk.Calc ID ETC Proposal 1247-Observation341Saturn Special Requirements Spectral Elements Dithers Template Solar System Targets Diagnostics Observation DEFAULT WINDOW: SEPARATIONOFSATURN-CENTRE TITANFROMJWSTGREATER THAN10" DEFAULT WINDOW: SEPARATIONOFSATURN-CENTRE RHEAFROMJWSTGREATER THAN10" DEFAULT WINDOW: NOTECLIPSEPENUMBRAL PARTIALOFSATURN-CENTRE BYTITANFROMJWST NOT ORBITALLONGITUDE OFTITANFROMJWST BETWEEN290360 NOT ORBITALLONGITUDE OFTITANFROMJWST BETWEEN110250 NOT ORBITALLONGITUDE OFTITANFROMJWST BETWEEN070 DEFAULT WINDOW:ANGULAR RATESATURN-CENTREFROMJWSTLESSTHAN0.03 341 After301by4Hoursto6 2 1 # 1 # B Module Extended=YES Description=Saturn Center Comments: Keyword=Planet (637) # (Visit 341:1)Warning(Form):OverheadsareprovisionaluntiltheVisitPlanner hasbeenrun. Observing Template:NIRCamImaging Diagnostic Status:Warning Proposal 1247,Observation341:SystemNIRCam2 SATURN-CENTRE Name F150W2 F150W2 Short Filter NONE Primary DitherType F322W2 F322W2 Long Filter STD=SATURN Level 1 Readout Pattern SHALLOW2 MEDIUM2 Primary Dithers Groups/Int 2 2 10 Level 2 Integrations/Exp STANDARD Subpixel DitherType FULL Subarray 1 10 Total Integrations 2 20 Dither Size 2 2 Total Dithers Level 3 150.315 2770.087 Time Total Exposure 2 Subpixel Positions Wed Apr1418:32:54GMT2021 ID ETC Wkbk.Calc Proposal 1247-Observation665Saturn Spectral Elements Template Acquisition Solar System Targets Diagnostics Observation 3 3 2 2 1 1 # F1000W AcqFilter 1 # Extended=YES Description=Saturn BackgroundObservation Comments: Keyword=Planet (2) # (Visit 665:1)Warning(Form):OverheadsareprovisionaluntiltheVisitPlanner hasbeenrun. Observing Template:MIRIMediumResolutionSpectroscopy Diagnostic Status:Warning Proposal 1247,Observation665:SaturnBackgroundMIRI SATURN-OFFSET Name LONG(C) LONG(C) MEDIUM(B) MEDIUM(B) SHORT(A) SHORT(A) Range Wavelength MRSSHORT MRSLONG MRSSHORT MRSLONG MRSSHORT MRSLONG Detector STD=SATURN Level 1 Filter ALL Primary Channel FAST FAST FAST FAST FAST FAST Pattern Readout 5 5 5 5 5 5 Groups/Int 8 8 8 8 8 8 xp Integrations/E 11 TYPE=POS_ANGLE,RAD=60,ANG=0,REF=NORTH Level 2 NO Simultaneous Imaging NONE Target 1 1 1 1 1 1 h Exposures/Dit None None None None None None Dither 1 1 1 1 1 1 Total Dithers Level 3 FULL Imager Subarray 8 8 8 8 8 8 Integrations Total Wed Apr1418:32:54GMT2021 111.002 111.002 111.002 111.002 111.002 111.002 Time Exposure Total Wkbk.Calc ID ETC Proposal 1247-Observation665Saturn Special Requirements NOT TRANSITOFTITANACROSSSATURN-OFFSETFROMJWST DEFAULT WINDOW:NOTECLIPSEPENUMBRALPARTIALOFSATURN-OFFSETBYTITANFROMJWST DEFAULT WINDOW:ANGULARRATESATURN-OFFSETFROMJWSTLESSTHAN0.03 Group Observations330,665,666,667,668,Non-interruptible 12 Proposal 1247-Observation330Saturn Spectral Elements Dithers Template Acquisition Solar System Targets Diagnostics Observation 3 3 2 2 1 1 # 1 # F1000W AcqFilter 1 # Extended=Unknown Description=Saturn's MainRings Keyword=Ring Comments: Torustechnique,90degreesforthewestringansa. (600) # (Visit 330:1)Warning(Form):OverheadsareprovisionaluntiltheVisitPlanner hasbeenrun. Observing Template:MIRIMediumResolutionSpectroscopy Diagnostic Status:Warning Proposal 1247,Observation330:SaturnRingsMIRI SATURN-RINGS Name LONG(C) LONG(C) MEDIUM(B) MEDIUM(B) SHORT(A) SHORT(A) Range Wavelength MRSSHORT MRSLONG MRSSHORT MRSLONG MRSSHORT MRSLONG Detector STD=SATURN Level 1 Filter 4-Point Dither Type ALL Primary Channel FAST FAST FAST FAST FAST FAST Pattern Readout 5 5 5 5 5 5 Groups/Int 8 8 8 8 8 8 xp Integrations/E 13 O_RAD=0 E_LONG=0,POLE_LAT=+90,O_LONG=0,O_LAT=0, TYPE=TORUS,LONG=90,LAT=0,RAD=105000,POL Level 2 NO Simultaneous Imaging NONE Target EXTENDED SOURCE Optimized For 1 1 1 1 1 1 h Exposures/Dit Dither 1 Dither 1 Dither 1 Dither 1 Dither 1 Dither 1 Dither 4 4 4 4 4 4 Total Dithers Level 3 NEGATIVE Direction FULL Imager Subarray 32 32 32 32 32 32 Integrations Total Wed Apr1418:32:54GMT2021 444.006 444.006 444.006 444.006 444.006 444.006 Time Exposure Total Wkbk.Calc ID ETC Proposal 1247-Observation330Saturn Special Requirements DEFAULT WINDOW:NOTECLIPSEPENUMBRALPARTIALOFSATURN-RINGSBYTITANFROMJWST NOT ORBITALLONGITUDEOFTITANFROMJWSTBETWEEN290360 NOT ORBITALLONGITUDEOFTITANFROMJWSTBETWEEN110250 NOT ORBITALLONGITUDEOFTITANFROMJWSTBETWEEN070 DEFAULT WINDOW:ANGULARRATESATURN-RINGSFROMJWSTLESSTHAN0.03 Group Observations330,665,666,667,668,Non-interruptible 14 Proposal 1247-Observation666Saturn Spectral Elements Dithers Template Acquisition Solar System Targets Diagnostics Observation 3 3 2 2 1 1 # 1 # F1000W AcqFilter 1 # Extended=YES Description=Saturn's NorthPole Keyword=Planet The longitudeisnotimportant,sowehaveusedtheTORUStechnique(with theradiusforaspecificlatitude)toensurepointingatcentralmeridian. Comments: MosaicMIRIMRSobservationofSaturn'snorthpole. (634) # (Visit 666:1)Warning(Form):OverheadsareprovisionaluntiltheVisitPlanner hasbeenrun. Comments: Thetargettedlongitudecantakeanyvalue-thereisnorequirementforaspecificlongitude,provideditobservedasclosepossible tothecentralmeridian. Observing Template:MIRIMediumResolutionSpectroscopy Diagnostic Status:Warning Proposal 1247,Observation666:SaturnNorthPoleMIRI SATURN-75N Name LONG(C) LONG(C) MEDIUM(B) MEDIUM(B) SHORT(A) SHORT(A) Range Wavelength MRSSHORT MRSLONG MRSSHORT MRSLONG MRSSHORT MRSLONG Detector STD=SATURN Level 1 Filter 4-Point Dither Type ALL Primary Channel FAST FAST FAST FAST FAST FAST Pattern Readout 5 5 5 5 5 5 Groups/Int 8 8 8 8 8 8 xp Integrations/E 15 RAD=0 _LONG=0,POLE_LAT=90,O_LONG=0,O_LAT=0,O_ TYPE=TORUS,LONG=0,LAT=75,RAD=54706,POLE Level 2 NO Simultaneous Imaging NONE Target EXTENDED SOURCE Optimized For 1 1 1 1 1 1 h Exposures/Dit Dither 1 Dither 1 Dither 1 Dither 1 Dither 1 Dither 1 Dither 4 4 4 4 4 4 Total Dithers Level 3 NEGATIVE Direction FULL Imager Subarray 32 32 32 32 32 32 Integrations Total Wed Apr1418:32:54GMT2021 444.006 444.006 444.006 444.006 444.006 444.006 Time Exposure Total Wkbk.Calc ID ETC Proposal 1247-Observation666Saturn Special Requirements DEFAULT WINDOW:ANGULARRATESATURN-75NFROMJWST LESSTHAN0.03 DEFAULT WINDOW:SEPARATIONOFSATURN-75NTITANFROM JWSTGREATERTHAN10" DEFAULT WINDOW:SEPARATIONOFSATURN-75NRHEAFROMJWSTGREATERTHAN10" DEFAULT WINDOW:NOTECLIPSEPENUMBRALPARTIALOFSATURN-75NBYTITANFROMJWST DEFAULT WINDOW:NOTOCCULTATIONOFSATURN-75NBYSATURNFROMJWST SEPARATION OFSATURN-75NSATURNFROMJWSTLESSTHAN-6" NOT TRANSITOFTITANACROSSSATURNFROMJWST Group Observations330,665,666,667,668,Non-interruptible 16 Proposal 1247-Observation667Saturn Spectral Elements Dithers Template Acquisition Solar System Targets Diagnostics Observation 3 3 2 2 1 1 # 1 # F1000W AcqFilter 1 # Extended=YES Description=Saturn's Mid-Latitude Keyword=Planet The longitudeisnotimportant,sowehaveusedtheTORUStechnique(with theradiusforaspecificlatitude)toensurepointingatcentralmeridian. Comments: SecondstepinMIRIcentral-meridianscan. (635) # (Visit 667:1)Warning(Form):OverheadsareprovisionaluntiltheVisitPlanner hasbeenrun. Comments: Thetargettedlongitudecantakeanyvalue-thereisnorequirementforaspecificlongitude,provideditobservedasclosepossible tothecentralmeridian. Observing Template:MIRIMediumResolutionSpectroscopy Diagnostic Status:Warning Proposal 1247,Observation667:Saturn45NMIRI SATURN-45N Name LONG(C) LONG(C) MEDIUM(B) MEDIUM(B) SHORT(A) SHORT(A) Range Wavelength MRSSHORT MRSLONG MRSSHORT MRSLONG MRSSHORT MRSLONG Detector STD=SATURN Level 1 Filter 4-Point Dither Type ALL Primary Channel FAST FAST FAST FAST FAST FAST Pattern Readout 5 5 5 5 5 5 Groups/Int 8 8 8 8 8 8 xp Integrations/E 17 RAD=0 _LONG=0,POLE_LAT=90,O_LONG=0,O_LAT=0,O_ TYPE=TORUS,LONG=0,LAT=45,RAD=57088,POLE Level 2 NO Simultaneous Imaging NONE Target EXTENDED SOURCE Optimized For 1 1 1 1 1 1 h Exposures/Dit Dither 1 Dither 1 Dither 1 Dither 1 Dither 1 Dither 1 Dither 4 4 4 4 4 4 Total Dithers Level 3 NEGATIVE Direction FULL Imager Subarray 32 32 32 32 32 32 Integrations Total Wed Apr1418:32:54GMT2021 444.006 444.006 444.006 444.006 444.006 444.006 Time Exposure Total Wkbk.Calc ID ETC Proposal 1247-Observation667Saturn Special Requirements DEFAULT WINDOW:ANGULARRATESATURN-45NFROMJWST LESSTHAN0.03 DEFAULT WINDOW:SEPARATIONOFSATURN-45NTITANFROM JWSTGREATERTHAN10" DEFAULT WINDOW:SEPARATIONOFSATURN-45NRHEAFROMJWSTGREATERTHAN10" DEFAULT WINDOW:NOTECLIPSEPENUMBRALPARTIALOFSATURN-45NBYTITANFROMJWST DEFAULT WINDOW:NOTOCCULTATIONOFSATURN-45NBYSATURNFROMJWST SEPARATION OFSATURN-45NSATURNFROMJWSTLESSTHAN-6" NOT TRANSITOFTITANACROSSSATURNFROMJWST Group Observations330,665,666,667,668,Non-interruptible 18 Proposal 1247-Observation668Saturn Spectral Elements Dithers Template Acquisition Solar System Targets Diagnostics Observation 3 3 2 2 1 1 # 1 # F1000W AcqFilter 1 # Extended=YES Description=Saturn's NorthPole Keyword=Planet The longitudeisnotimportant,sowehaveusedtheTORUStechnique(with theradiusforaspecificlatitude)toensurepointingatcentralmeridian. Comments: ThirdstepinMIRIMRScentral-meridianscan. (636) # (Visit 668:1)Warning(Form):OverheadsareprovisionaluntiltheVisitPlanner hasbeenrun. (Saturn 15NMIRI(Obs668))Warning(Form):Groups/Intcannotbe1, Groups/Int =2requirespermissionandof3-4isallowedbutnotrecommended. (Saturn 15NMIRI(Obs668))Warning(Form):Groups/Intcannotbe1, Groups/Int =2requirespermissionandof3-4isallowedbutnotrecommended. (Saturn 15NMIRI(Obs668))Warning(Form):Groups/Intcannotbe1, Groups/Int =2requirespermissionandof3-4isallowedbutnotrecommended. (Saturn 15NMIRI(Obs668))Warning(Form):Groups/Intcannotbe1, Groups/Int =2requirespermissionandof3-4isallowedbutnotrecommended. (Saturn 15NMIRI(Obs668))Warning(Form):Groups/Intcannotbe1, Groups/Int =2requirespermissionandof3-4isallowedbutnotrecommended. (Saturn 15NMIRI(Obs668))Warning(Form):Groups/Intcannotbe1, Groups/Int =2requirespermissionandof3-4isallowedbutnotrecommended. Comments: Thetargettedlongitudecantakeanyvalue-thereisnorequirementforaspecificlongitude,provideditobservedasclosepossible tothecentralmeridian. Observing Template:MIRIMediumResolutionSpectroscopy Diagnostic Status:Warning Proposal 1247,Observation668:Saturn15NMIRI SATURN-15N Name LONG(C) LONG(C) MEDIUM(B) MEDIUM(B) SHORT(A) SHORT(A) Range Wavelength MRSSHORT MRSLONG MRSSHORT MRSLONG MRSSHORT MRSLONG Detector STD=SATURN Level 1 Filter 4-Point Dither Type ALL Primary Channel FAST FAST FAST FAST FAST FAST Pattern Readout 4 4 4 4 4 4 Groups/Int 10 10 10 10 10 10 xp Integrations/E 19 RAD=0 _LONG=0,POLE_LAT=90,O_LONG=0,O_LAT=0,O_ TYPE=TORUS,LONG=0,LAT=15,RAD=59811,POLE Level 2 NO Simultaneous Imaging NONE Target EXTENDED SOURCE Optimized For 1 1 1 1 1 1 h Exposures/Dit Dither 1 Dither 1 Dither 1 Dither 1 Dither 1 Dither 1 Dither 4 4 4 4 4 4 Total Dithers Level 3 NEGATIVE Direction FULL Imager Subarray 40 40 40 40 40 40 Integrations Total Wed Apr1418:32:54GMT2021 444.006 444.006 444.006 444.006 444.006 444.006 Time Exposure Total Wkbk.Calc ID ETC Proposal 1247-Observation668Saturn Special Requirements DEFAULT WINDOW:ANGULARRATESATURN-15NFROMJWST LESSTHAN0.03 DEFAULT WINDOW:SEPARATIONOFSATURN-15NTITANFROM JWSTGREATERTHAN10" DEFAULT WINDOW:SEPARATIONOFSATURN-15NRHEAFROMJWSTGREATERTHAN10" DEFAULT WINDOW:NOTECLIPSEPENUMBRALPARTIALOFSATURN-15NBYTITANFROMJWST DEFAULT WINDOW:NOTOCCULTATIONOFSATURN-15NBYSATURNFROMJWST SEPARATION OFSATURN-15NSATURNFROMJWSTLESSTHAN-6" NOT TRANSITOFTITANACROSSSATURNFROMJWST Group Observations330,665,666,667,668,Non-interruptible 20