See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L9776. Start at 117:13:00 GMT PLAN ---- Finish: Obsid: 32321 SI: ACIS-S (18 ksec) Target: NGC 424 Then: 2026:117:15:40:05 Obsid: 30199 SI: ACIS-S (15 ksec) Target: NGC5728 2026:117:20:41:16 Obsid: 30046 SI: ACIS-S (22 ksec) Target: SPT-CLJ2223-501 2026:118:03:32:34 Obsid: 32320 SI: ACIS-S (15 ksec) Target: NGC5728 2026:118:08:27:26 Obsid: 32319 SI: ACIS-S (22 ksec) Target: SPT-CLJ2223-501 NOTES/ISSUES/PROBLEMS --------------------- From the 9am status meeting: 8 Supports Completed over the weekend (Total time: 16 hours) 8 SSR dumps Loads good through: 2026:121:13:55:44 Radiation (Solar Activity): Solar activity is likely to be moderate with a slight chance for an X-class flare on days one, two, and three (27 Apr, 28 Apr, 29 Apr). There are currently 7 numbered visible active regions. Radiation (Geophysical Activity): The geomagnetic field is expected to be at quiet to active levels on day one (27 Apr), quiet levels on day two (28 Apr) and quiet to unsettled levels on day three (29 Apr). Protons have a slight chance of crossing threshold on days one, two, and three (27 Apr, 28 Apr, 29 Apr). MP: No issues. ENG: No issues. GOT: No issues. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- 32316 Abell 3558 SE ACIS-I NONE 30189 NGC5728 ACIS-S NONE 30228 NGC 424 ACIS-S NONE 32308 AM1006-380 ACIS-S NONE 29867 AM1006-380 ACIS-S NONE 31083 NVSS J081604-235003 ACIS-S NONE 29530 HZ43 HRC-I LETG 32315 NGC4941 ACIS-S NONE 32307 SDSSJ082015.61+594228.4 ACIS-S NONE 32314 NGC4941 ACIS-S NONE 31734 MKN421 ACIS-S LETG 32313 DESI J090.9854-35.9683 ACIS-I NONE Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 117/1015-1215 1100 1200 DSS-26 GOLDSTONE 0700-0800 EDT, Mon 27 Apr 117/1700-1900 1745 1845 DSS-34 CANBERRA 1345-1445 EDT, Mon 27 Apr 118/0145-0345 0230 0330 DSS-56 MADRID 2230-2330 EDT, Mon 27 Apr 118/0915-1115 1000 1100 DSS-26 GOLDSTONE 0600-0700 EDT, Tue 28 Apr 118/1330-1505 1405 1450 DSS-24 GOLDSTONE 1005-1050 EDT, Tue 28 Apr SNAPSHOT summary: ----------------- UTC 2026:117:11:59:02 (Apr27) f_ACE 3.59e+02 F_CRM 5.35e+07 Kp 2.3 R km 139516A OBT 2026:117:11:55:50 CTUVCDU 7049343 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 893678150.77 ONLVCDU 7049336 OBC Errs 0 OBSID 32321 EPState SUN SIM TTpos 75624 HETG Angle 77.59 PCADMODE NPNT RA 17.892 Bus V 27.42 SIM FApos -467 LETG Angle 75.71 PCONTROL NPNT Dec -38.086 Bus I 18.51 AOFSTAR GUID Roll 157.016 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang 14.44 Yaw Rate -0.03 HRC-S HV OFF ACA CCD Temp -5.8 Dith Zang -12.35 Pitch Rate 0.06 SHLD HV 0.0 ACA Int Time 1.698 Roll Rate -0.06 EVT RT 4844 AOACSTAT OK FSS SunBeta SUN SHLD RT 0 FSS Alfa 2.42 Batt 1 SOC 100.00% Avg HRMA Temp 74.76 FSS Beta 35.56 Batt 2 SOC 100.00% A -15 V -0.62 Avg OBA Temp 81.29 SA Resolv 53.86 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 9.27 A +24 V 0.00 HRMA power 62.90 SCS 128 INAC -Y SA Amps 9.09 OBA power 0.00 SCS 129 ACT +Y SA Temp 111.74 SCS 130 ACT -Y SA Temp 110.82 ACIS Stat7-0 6 Roll Mom. 0.160 SCS 131 INAC Cold Rad -118. Pitch Mom. -6.180 SCS 132 ACT Ephin Temp 0.0000 Warm Rad -77.1 Yaw Mom. 2.948 SCS 133 ACT EIO Temp 0.0000 RadMon ENAB PMTANKP 150.132 SCS 107 INAC EPH temp 175.44 UpLCmdAcc 1523 IRU2G2 curr 115.20 M Unload MON Cmd Rej A 29 IRU2G1 curr 96.00 Roll Bias 2.0109 TSC Move STOP Prop. line 03 148.52 Pitch Bias -4.1984 FA Move STOP CTX A PWR 36.32 Prop. line 04 111.86 Yaw Bias -1.8327 OTG Move DISA CTX A Volts 3.52 UTC 2026:117:12:55:01 (Apr27) f_ACE 3.08e+02 F_CRM 5.41e+07 Kp 2.3 R km 140799A Currently scheduled FPSI, OTG : ACIS-S NONE Estimated Kp : 0.7 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 3.34e+02 GOES-R P4 flux, in RADMON P4GM units : 6.01e-02 GOES-R P7 flux, in RADMON P41GM units : 2.50e-02 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 2.87e+02 Orbit Start Time : 2026:116:12:17:38 Geocentric Distance (km), Orbit Leg : 140680 A CRM Region : 2 (Magnetosheath) External Proton Flux (p/cm^2-s-sr-MeV) : 6.7492e+02 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 6.7492e+02 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 8.8654e+07 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 5.4144e+07