See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L9772. Start at 113:13:00 GMT PLAN ---- Start in radiation zone Then: 2026:113:23:02:42 Grating: NONE 2026:113:23:15:51 RADMON Enable 2026:113:23:40:09 Obsid: 32312 SI: ACIS-I (19 ksec) Target: DESI J090.9854- 2026:114:05:31:49 Obsid: 30024 SI: ACIS-I (13 ksec) Target: Abell 3558 SE 2026:114:09:43:32 Obsid: 32313 SI: ACIS-I (18 ksec) Target: DESI J090.9854- NOTES/ISSUES/PROBLEMS --------------------- From the 9am status meeting: 3 Supports Completed in the last 24 hours (Total time: 6 hours) 3 SSR dumps Loads good through: 2026:117:01:19:40 Radiation (Solar Activity): Solar activity is expected to be low with a slight chance for an M-class flare on days one, two, and three (23 Apr, 24 Apr, 25 Apr). Three solar flares were observed overnight from M1.2 to M4.3 from the northwest and northeast quadrants. A couple of CMEs are emerging and updates will be provided if any of them are partially Earth directed. ACE P3 and GOES rates are currently at nominal levels. Radiation (Geophysical Activity): The geomagnetic field is expected to be at quiet to unsettled levels on days one, two, and three (23 Apr, 24 Apr, 25 Apr). MP: Apr2726A loads were approved yesterday. ENG: No issues. GOT: No issues. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- 31516 Cyg X-2 HRC-I HETG 32310 SDSS J141525.26+045602.5 ACIS-S NONE 32309 SDSS J141525.26+045602.5 ACIS-S NONE 29863 AM1724-622 ACIS-S NONE 32311 SDSS J091934.51+481614.8 ACIS-S NONE Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 114/0115-0415 0200 0400 DSS-65 MADRID 2200-0000 EDT, Thu 23 Apr 114/1005-1205 1050 1150 DSS-26 GOLDSTONE 0650-0750 EDT, Fri 24 Apr 114/1910-2110 1955 2055 DSS-56 MADRID 1555-1655 EDT, Fri 24 Apr SNAPSHOT summary: ----------------- UTC 2026:113:10:59:01 (Apr23) f_ACE 1.56e+01 F_CRM 7.44e+07 Kp 2.0 R km 88760D OBT 2026:113:10:56:01 CTUVCDU 5686655 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 893328961.78 ONLVCDU 5686648 OBC Errs 0 OBSID 31399 EPState SUN SIM TTpos 72104 HETG Angle 77.59 PCADMODE NPNT RA 166.134 Bus V 27.11 SIM FApos -467 LETG Angle 4.09 PCONTROL NPNT Dec 38.256 Bus I 23.40 AOFSTAR GUID Roll 228.773 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang 0.08 Yaw Rate 0.15 HRC-S HV OFF ACA CCD Temp -4.3 Dith Zang 36.96 Pitch Rate -0.06 SHLD HV 0.0 ACA Int Time 1.698 Roll Rate 0.27 EVT RT 6119 AOACSTAT OK FSS SunBeta SUN SHLD RT 0 FSS Alfa -0.15 Batt 1 SOC 100.00% Avg HRMA Temp 74.43 FSS Beta -24.67 Batt 2 SOC 100.00% A -15 V -0.62 Avg OBA Temp 85.47 SA Resolv 114.24 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 11.79 A +24 V 0.00 HRMA power 0.00 SCS 128 ACT -Y SA Amps 11.41 OBA power 0.00 SCS 129 ACT +Y SA Temp 111.43 SCS 130 ACT -Y SA Temp 110.82 ACIS Stat7-0 6 Roll Mom. 2.915 SCS 131 ACT Cold Rad -115. Pitch Mom. 5.327 SCS 132 ACT Ephin Temp 0.0000 Warm Rad -77.1 Yaw Mom. 3.342 SCS 133 ACT EIO Temp 0.0000 RadMon ENAB PMTANKP 150.132 SCS 107 INAC EPH temp 138.67 UpLCmdAcc 60065 IRU2G2 curr 122.40 M Unload MON Cmd Rej A 124 IRU2G1 curr 96.00 Roll Bias 2.0032 TSC Move STOP Prop. line 03 148.52 Pitch Bias -4.1980 FA Move STOP CTX B PWR 36.92 Prop. line 04 131.94 Yaw Bias -1.8228 OTG Move DISA CTX B Volts 3.54 UTC 2026:113:13:10:02 (Apr23) f_ACE 1.12e+01 F_CRM 8.04e+07 Kp 2.0 R km 75118D Currently scheduled FPSI, OTG : HRC-S HETG Estimated Kp : 0.7 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 8.34e+01 GOES-R P4 flux, in RADMON P4GM units : 4.07e-02 GOES-R P7 flux, in RADMON P41GM units : 5.59e-03 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 2.44e+03 Orbit Start Time : 2026:111:05:20:11 Geocentric Distance (km), Orbit Leg : 75827 D CRM Region : 3 (Magnetosphere) External Proton Flux (p/cm^2-s-sr-MeV) : 1.1148e+04 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 0.0000e+00 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 2.2438e+08 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 8.0373e+07