See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L9924. Start at 265:13:01 GMT PLAN ---- Finish: Obsid: 31414 SI: ACIS-I (10 ksec) Target: Perseus Cluster Then: 2026:265:13:42:22 Obsid: 33445 SI: ACIS-S (16 ksec) Target: 3CR 17 2026:265:18:47:33 Obsid: 33436 SI: ACIS-S (23 ksec) Target: EXO 0748-676 2026:266:01:59:02 Obsid: 31744 SI: ACIS-S (15 ksec) Target: ACT-CL J0123.5- 2026:266:06:51:27 Obsid: 31143 SI: HRC-I (12 ksec) Target: msh 11-62 2026:266:10:46:43 Obsid: 31345 SI: ACIS-S (10 ksec) Target: V4641 Sgr S1 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: 2026:270:01:14:59.000 Radiation (Solar Activity): Solar activity is likely to be low with a slight chance for an M-class flare on days one, two, and three (22 Sep, 23 Sep, 24 Sep). Radiation (Geophysical Activity): The geomagnetic field is expected to be at quiet levels on day one (22 Sep), quiet to active levels on day two (23 Sep) and quiet to minor storm levels on day three (24 Sep). MP: SEP2826A command loads in works. ENG: No issues. GOT: No issues. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- 31413 Perseus Cluster ACIS-I NONE Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 265/1130-1330 1215 1315 DSS-65 MADRID 0815-0915 EDT, Tue 22 Sep 265/1645-1845 1730 1830 DSS-53 MADRID 1330-1430 EDT, Tue 22 Sep 266/0135-0335 0220 0320 DSS-24 GOLDSTONE 2220-2320 EDT, Tue 22 Sep 266/0935-1135 1020 1120 DSS-36 CANBERRA 0620-0720 EDT, Wed 23 Sep SNAPSHOT summary: ----------------- UTC 2026:265:13:01:01 (Sep22) f_ACE 1.18e+01 F_CRM 5.12e+08 Kp 2.0 R km 105428D OBT 2026:265:13:00:33 CTUVCDU 6634111 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 906469233.22 ONLVCDU 6634104 OBC Errs 0 OBSID 31414 EPState SUN SIM TTpos 98471 HETG Angle 77.59 PCADMODE NPNT RA 50.025 Bus V 26.79 SIM FApos -535 LETG Angle 75.71 PCONTROL NPNT Dec 41.436 Bus I 24.94 AOFSTAR GUID Roll 118.511 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang 3.23 Yaw Rate 0.17 HRC-S HV OFF ACA CCD Temp -7.3 Dith Zang 3.02 Pitch Rate 0.22 SHLD HV 0.0 ACA Int Time 1.698 Roll Rate 0.02 EVT RT 6374 AOACSTAT OK FSS SunBeta SUN SHLD RT 0 FSS Alfa -0.13 Batt 1 SOC 100.00% Avg HRMA Temp 72.81 FSS Beta -28.39 Batt 2 SOC 100.00% A -15 V -0.62 Avg OBA Temp 85.47 SA Resolv 117.66 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 12.56 A +24 V 0.00 HRMA power 87.70 SCS 128 ACT -Y SA Amps 11.98 OBA power 35.10 SCS 129 ACT +Y SA Temp 112.04 SCS 130 INAC -Y SA Temp 111.74 ACIS Stat7-0 6 Roll Mom. 2.607 SCS 131 ACT Cold Rad -125. Pitch Mom. 6.101 SCS 132 ACT Ephin Temp 0.0000 Warm Rad -82.0 Yaw Mom. 5.950 SCS 133 INAC EIO Temp 0.0000 RadMon ENAB PMTANKP 150.132 SCS 107 INAC EPH temp 158.47 UpLCmdAcc 35738 IRU2G2 curr 122.40 M Unload MON Cmd Rej A 6 IRU2G1 curr 96.00 Roll Bias 2.0853 TSC Move STOP Prop. line 03 168.93 Pitch Bias -4.2748 FA Move STOP CTX A PWR 36.32 Prop. line 04 158.73 Yaw Bias -1.8598 OTG Move DISA CTX A Volts 3.52 UTC 2026:265:13:01:01 (Sep22) f_ACE 1.18e+01 F_CRM 5.12e+08 Kp 2.0 R km 105428D Currently scheduled FPSI, OTG : ACIS-S NONE Estimated Kp : 2.7 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 2.29e+01 GOES-R P4 flux, in RADMON P4GM units : 0.00e+00 GOES-R P7 flux, in RADMON P41GM units : 9.32e-03 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 1.22e+02 Orbit Start Time : 2026:177:08:08:58 Geocentric Distance (km), Orbit Leg : 135475 A CRM Region : 3 (Magnetosphere) External Proton Flux (p/cm^2-s-sr-MeV) : 1.8248e+04 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 1.8248e+04 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 8.1745e+08 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 5.1173e+08