See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L9752. Start at 093:13:00 GMT PLAN ---- Finish: Obsid: 30340 SI: ACIS-I (15 ksec) Target: Perseus cluster Then: 2026:093:16:13:52 Obsid: 32267 SI: ACIS-S (9 ksec) Target: NGC4694 2026:093:19:25:31 Obsid: 30341 SI: ACIS-I (10 ksec) Target: Perseus cluster 2026:093:22:47:38 Obsid: 31446 SI: ACIS-S (7 ksec) Target: PGC016986 2026:094:00:47:53 Grating: HETG 2026:094:01:18:14 Obsid: 31082 SI: ACIS-S (28 ksec) Target: GS 1354-64 2026:094:09:15:08 Grating: NONE 2026:094:09:54:51 Obsid: 32274 SI: ACIS-S (36 ksec) Target: AT2026dbl For the weekend: 2026:094:20:29:39 Obsid: 31437 SI: ACIS-S (10 ksec) Target: IRAS 07598+6508 2026:094:23:47:10 Obsid: 31260 SI: ACIS-S (5 ksec) Target: M 87 2026:095:01:14:20 Grating: HETG 2026:095:01:16:23 RADMON Disable 2026:095:11:27:12 Grating: NONE 2026:095:11:32:22 RADMON Enable 2026:095:11:50:14 Obsid: 31382 SI: ACIS-S (2 ksec) Target: Cas A 2026:095:12:32:04 Obsid: 31383 SI: ACIS-S (2 ksec) Target: Cas A 2026:095:13:47:44 Obsid: 32260 SI: ACIS-I (10 ksec) Target: VCC 1465 2026:095:17:16:52 Obsid: 30343 SI: ACIS-I (16 ksec) Target: Perseus cluster 2026:095:22:20:38 Obsid: 31105 SI: ACIS-S (20 ksec) Target: EP260321a 2026:096:04:38:16 Obsid: 32134 SI: ACIS-I (14 ksec) Target: PSZ2G071.21+28. 2026:096:08:50:34 Obsid: 30423 SI: ACIS-I (29 ksec) Target: Abell 2255 NOTES/ISSUES/PROBLEMS --------------------- From the 9am status meeting: 3 Supports Completed in the last 24 hours (Total time: 5.8 hours) 3 SSR dumps. 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 (03 Apr, 04 Apr, 05 Apr). Radiation (Geophysical Activity): The geomagnetic field is expected to be at quiet to major storm levels on day one (03 Apr), unsettled to major storm levels on day two (04 Apr) and quiet to active levels on day three (05 Apr). Protons have a chance of crossing threshold on days one and two (03 Apr, 04 Apr) and have a chance of crossing threshold on day three (05 Apr). MP: APR0626 loads were approved yesterday. Test loads are out for review with reviews due by next week. ENG: A gyro glitched yesterday, but it has been stable since, no impact. FST/GOT: 60 Garden lost power yesterday, this interupted our connection with the Backup OCC. This is all restored now. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- 30337 Perseus cluster W ACIS-I NONE 30177 NGC4694 ACIS-S NONE 32273 Perseus cluster W ACIS-I NONE 31152 AT2026dbl ACIS-S NONE Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 093/2115-2315 2200 2225 DSS-56 MADRID 1800-1825 EDT, Fri 3 Apr 094/0355-0555 0440 0540 DSS-65 MADRID 0040-0140 EDT, Sat 4 Apr 094/1805-1955 1840 1940 DSS-24 GOLDSTONE 1440-1540 EDT, Sat 4 Apr 095/0810-0940 0845 0925 DSS-34 CANBERRA 0445-0525 EDT, Sun 5 Apr 095/1825-2025 1910 2010 DSS-56 MADRID 1510-1610 EDT, Sun 5 Apr 096/0325-0525 0410 0510 DSS-24 GOLDSTONE 0010-0110 EDT, Mon 6 Apr 096/2150-0020 2235 0005 DSS-65 MADRID 1835-2005 EDT, Mon 6 Apr SNAPSHOT summary: ----------------- UTC 2026:093:10:34:01 (Apr 3) f_ACE 1.67e+04 F_CRM 4.85e+08 Kp 3.7 R km 126248A OBT 2026:093:10:31:23 CTUVCDU 15714687 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 891599483.40 ONLVCDU 15714680 OBC Errs 0 OBSID 32266 EPState SUN SIM TTpos 75624 HETG Angle 77.59 PCADMODE NPNT RA 192.071 Bus V 26.95 SIM FApos -467 LETG Angle 76.09 PCONTROL NPNT Dec 10.995 Bus I 22.11 AOFSTAR GUID Roll 181.998 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang -14.90 Yaw Rate 0.09 HRC-S HV OFF ACA CCD Temp -9.9 Dith Zang -2.19 Pitch Rate 0.10 SHLD HV 0.0 ACA Int Time 1.698 Roll Rate -0.49 EVT RT 4079 AOACSTAT OK FSS SunBeta NSUN SHLD RT 0 FSS Alfa -49.57 Batt 1 SOC 100.00% Avg HRMA Temp 72.60 FSS Beta -50.17 Batt 2 SOC 100.00% A -15 V -0.62 Avg OBA Temp 75.82 SA Resolv 163.61 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 11.21 A +24 V 0.00 HRMA power 64.50 SCS 128 ACT -Y SA Amps 10.83 OBA power 0.00 SCS 129 ACT +Y SA Temp 112.97 SCS 130 ACT -Y SA Temp 112.35 ACIS Stat7-0 6 Roll Mom. 0.325 SCS 131 ACT Cold Rad -120. Pitch Mom. -1.774 SCS 132 ACT Ephin Temp 0.0000 Warm Rad -79.6 Yaw Mom. 5.060 SCS 133 ACT EIO Temp 0.0000 RadMon ENAB PMTANKP 148.534 SCS 107 INAC EPH temp 178.27 UpLCmdAcc 18935 IRU2G2 curr 124.80 M Unload MON Cmd Rej A 36 IRU2G1 curr 96.00 Roll Bias 1.9514 TSC Move STOP Prop. line 03 134.13 Pitch Bias -4.1588 FA Move STOP CTX A PWR 36.27 Prop. line 04 131.94 Yaw Bias -1.7795 OTG Move DISA CTX A Volts 3.52 UTC 2026:093:13:10:01 (Apr 3) f_ACE 1.60e+04 F_CRM 5.74e+08 Kp 3.7 R km 132909A Currently scheduled FPSI, OTG : ACIS-I NONE Estimated Kp : 4.0 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 1.67e+04 GOES-R P4 flux, in RADMON P4GM units : 1.00e+01 GOES-R P7 flux, in RADMON P41GM units : 8.36e-03 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 1.40e+03 Orbit Start Time : 2026:092:17:05:37 Geocentric Distance (km), Orbit Leg : 132660 A CRM Region : 2 (Magnetosheath) External Proton Flux (p/cm^2-s-sr-MeV) : 3.3825e+04 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 3.3825e+04 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 7.1920e+08 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 5.7401e+08