See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L9766. Start at 107:13:00 GMT PLAN ---- Finish: Obsid: 32300 SI: ACIS-S (25 ksec) Target: NGC 6099 Then: 2026:107:18:52:22 Obsid: 30250 SI: ACIS-I (30 ksec) Target: Center of COSMO 2026:108:03:39:03 Obsid: 32297 SI: ACIS-S (10 ksec) Target: SDSS J123733.69 2026:108:06:43:08 Grating: HETG 2026:108:06:45:11 RADMON Disable For the weekend: 2026:108:16:10:14 Grating: NONE 2026:108:16:33:10 RADMON Enable 2026:108:16:46:44 Obsid: 32305 SI: ACIS-S (11 ksec) Target: LEDA 184063 2026:108:20:33:34 Obsid: 32296 SI: ACIS-S (10 ksec) Target: AM0425-421 2026:108:23:54:57 Obsid: 30259 SI: ACIS-I (27 ksec) Target: Center of COSMO 2026:109:08:12:22 Obsid: 32299 SI: HRC-I (7 ksec) Target: SN 2012au 2026:109:10:43:01 Obsid: 30257 SI: ACIS-I (28 ksec) Target: Center of COSMO 2026:109:19:01:24 Obsid: 32292 SI: ACIS-S (10 ksec) Target: 2MASX J07042579 2026:109:22:21:12 Obsid: 32298 SI: ACIS-S (11 ksec) Target: SDSS J123733.69 2026:110:02:04:17 Obsid: 32306 SI: ACIS-S (5 ksec) Target: GRB260310A 2026:110:03:54:54 Obsid: 31419 SI: ACIS-I (20 ksec) Target: Abell 2319 2026:110:10:01:14 Obsid: 29878 SI: ACIS-S (15 ksec) Target: SDSS J141525.26 NOTES/ISSUES/PROBLEMS --------------------- From the 9am status meeting: 3 Supports Completed in the last 24 hours (Total time: 6 hours) 5 SSR dumps Radiation (Solar Activity): Solar activity is expected to be low with a chance for M-class flares on days one, two, and three (17 Apr, 18 Apr, 19 Apr). Radiation (Geophysical Activity): The geomagnetic field is expected to be at quiet to major storm levels on day one (17 Apr), unsettled to major storm levels on day two (18 Apr) and unsettled to minor storm levels on day three (19 Apr). MP: APR2026A command loads approved. ENG: No issues. GOT: No issues. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- 31223 NGC 6099 ACIS-S NONE 30543 SN 2012au HRC-I NONE 32293 TV Cassiopeia ACIS-S HETG 32303 LEDA 184063 ACIS-S NONE 31420 Abell 2319 ACIS-S NONE 32304 LEDA 184063 ACIS-S NONE Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 108/0220-0420 0305 0405 DSS-56 MADRID 2305-0005 EDT, Fri 17 Apr 108/2000-2200 2045 2145 DSS-65 MADRID 1645-1745 EDT, Sat 18 Apr 109/0050-0250 0135 0235 DSS-65 MADRID 2135-2235 EDT, Sat 18 Apr 109/1030-1230 1115 1215 DSS-24 GOLDSTONE 0715-0815 EDT, Sun 19 Apr 109/2105-2305 2150 2250 DSS-56 MADRID 1750-1850 EDT, Sun 19 Apr 110/0215-0415 0300 0400 DSS-65 MADRID 2300-0000 EDT, Sun 19 Apr 110/1020-1220 1105 1205 DSS-26 GOLDSTONE 0705-0805 EDT, Mon 20 Apr 110/1850-2000 1925 1945 DSS-34 CANBERRA 1525-1545 EDT, Mon 20 Apr SNAPSHOT summary: ----------------- UTC 2026:107:10:34:01 (Apr17) f_ACE 1.39e+01 F_CRM 1.99e+07 Kp 2.0 R km 142451D OBT 2026:107:10:31:21 CTUVCDU 3657855 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 892809081.93 ONLVCDU 3657848 OBC Errs 0 OBSID 32294 EPState SUN SIM TTpos 73175 HETG Angle 5.59 PCADMODE NPNT RA 4.803 Bus V 27.26 SIM FApos -467 LETG Angle 75.71 PCONTROL NPNT Dec 59.116 Bus I 20.05 AOFSTAR GUID Roll 25.932 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang 15.35 Yaw Rate -0.05 HRC-S HV OFF ACA CCD Temp -7.3 Dith Zang 15.75 Pitch Rate 0.06 SHLD HV 0.0 ACA Int Time 1.698 Roll Rate -0.05 EVT RT 4844 AOACSTAT OK FSS SunBeta SUN SHLD RT 0 FSS Alfa -0.30 Batt 1 SOC 100.00% Avg HRMA Temp 73.46 FSS Beta 38.59 Batt 2 SOC 100.00% A -15 V -0.62 Avg OBA Temp 80.16 SA Resolv 50.91 Batt 3 SOC 100.00% A +15 V 2.81 OBA Tavg Fault NFLT SA Sun Pres ILLM A +5 V 4.84 OBA Trng Fault NFLT +Y SA Amps 10.25 A +24 V 0.00 HRMA power 29.90 SCS 128 ACT -Y SA Amps 9.86 OBA power 0.00 SCS 129 ACT +Y SA Temp 112.04 SCS 130 ACT -Y SA Temp 111.43 ACIS Stat7-0 6 Roll Mom. -4.630 SCS 131 ACT Cold Rad -118. Pitch Mom. 5.951 SCS 132 ACT Ephin Temp 0.0000 Warm Rad -77.1 Yaw Mom. 1.613 SCS 133 ACT EIO Temp 0.0000 RadMon ENAB PMTANKP 148.534 SCS 107 INAC EPH temp 138.67 UpLCmdAcc 47211 IRU2G2 curr 122.40 M Unload MON Cmd Rej A 104 IRU2G1 curr 96.00 Roll Bias 1.9993 TSC Move STOP Prop. line 03 165.53 Pitch Bias -4.1962 FA Move STOP CTX B PWR 36.92 Prop. line 04 116.70 Yaw Bias -1.8141 OTG Move DISA CTX B Volts 3.54 UTC 2026:107:13:00:01 (Apr17) f_ACE 1.37e+01 F_CRM 2.01e+07 Kp 2.0 R km 139393D Currently scheduled FPSI, OTG : ACIS-S NONE Estimated Kp : 0.3 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 1.24e+01 GOES-R P4 flux, in RADMON P4GM units : 2.00e-02 GOES-R P7 flux, in RADMON P41GM units : 0.00e+00 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 1.61e+03 Orbit Start Time : 2026:105:22:23:19 Geocentric Distance (km), Orbit Leg : 139515 D CRM Region : 2 (Magnetosheath) External Proton Flux (p/cm^2-s-sr-MeV) : 3.3347e+01 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 3.3347e+01 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 2.8096e+07 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 2.0059e+07