See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L9738. Start at 079:13:01 GMT PLAN ---- Start in radiation zone Then: 2026:079:14:31:32 Grating: NONE 2026:079:14:50:23 RADMON Enable 2026:079:15:12:41 Obsid: 32227 SI: ACIS-S (10 ksec) Target: NGC4548 2026:079:19:05:19 Obsid: 30326 SI: ACIS-I (13 ksec) Target: Perseus cluster 2026:079:23:27:41 Obsid: 32224 SI: ACIS-S (11 ksec) Target: NGC3626 2026:080:03:08:24 Obsid: 32229 SI: ACIS-I (14 ksec) Target: Perseus cluster 2026:080:07:58:53 Obsid: 32228 SI: ACIS-S (10 ksec) Target: NGC4548 2026:080:11:47:47 Obsid: 30327 SI: ACIS-I (12 ksec) Target: Perseus cluster For the weekend: 2026:080:15:51:49 Obsid: 31878 SI: ACIS-S (11 ksec) Target: NGC3626 2026:080:19:32:32 Obsid: 32230 SI: ACIS-I (13 ksec) Target: Perseus cluster 2026:080:23:59:05 Obsid: 32237 SI: ACIS-S (11 ksec) Target: NGC3626 2026:081:03:39:49 Obsid: 30357 SI: ACIS-I (12 ksec) Target: Perseus cluster 2026:081:07:45:33 Obsid: 32238 SI: ACIS-S (10 ksec) Target: NGC3626 2026:081:11:09:37 Obsid: 32232 SI: ACIS-I (12 ksec) Target: Perseus cluster 2026:081:16:40:48 Obsid: 32231 SI: ACIS-I (10 ksec) Target: Perseus cluster 2026:081:19:45:31 Grating: HETG 2026:081:19:47:57 RADMON Disable 2026:082:05:58:01 Grating: NONE 2026:082:06:14:37 RADMON Enable 2026:082:06:38:55 Obsid: 30323 SI: ACIS-I (18 ksec) Target: Perseus cluster 2026:082:12:35:28 Obsid: 32162 SI: ACIS-S (11 ksec) Target: NGC4654 NOTES/ISSUES/PROBLEMS --------------------- From the 9am status meeting: 2 Supports Completed in the last 24 hours (Total time: 4 hours) 2 SSR dumps CAP's / Procedures Run: CAP # | Time | Title / Description / Notes [750AU](/occweb/web/webapps/ifot/ifot.php?r=flightops&t=properties&format=sheet&id=1002589) | 079/0322z | Low Rate Dump of the OFF-line OBC Checksummed Memory (XSUM_3) Perform on-orbit OBC checksummed memory dump of the off-line OBC (address range of 0x20000 to 0x2FFFF). 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 (20 Mar, 21 Mar, 22 Mar). Radiation (Geophysical Activity): The geomagnetic field is expected to be at unsettled to major storm levels on day one (20 Mar), active to major storm levels on day two (21 Mar) and unsettled to minor storm levels on day three (22 Mar). MP: MAR2326A command loads approved. ENG: No issues. GOT: No issues. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- 32236 Abell 2255 ACIS-I NONE 30363 Perseus cluster E ACIS-I NONE 32222 NGC3626 ACIS-S NONE 32235 Perseus cluster E ACIS-I NONE 32223 NGC3626 ACIS-S NONE 32234 Perseus cluster E ACIS-I NONE 29652 NGC3626 ACIS-S NONE Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 079/1840-2040 1925 2025 DSS-65 MADRID 1525-1625 EDT, Fri 20 Mar 080/0205-0405 0250 0350 DSS-65 MADRID 2250-2350 EDT, Fri 20 Mar 080/0935-1135 1020 1120 DSS-24 GOLDSTONE 0620-0720 EDT, Sat 21 Mar 080/1735-1935 1820 1920 DSS-34 CANBERRA 1420-1520 EDT, Sat 21 Mar 081/0215-0415 0300 0400 DSS-65 MADRID 2300-0000 EDT, Sat 21 Mar 081/0920-1120 1005 1105 DSS-26 GOLDSTONE 0605-0705 EDT, Sun 22 Mar 081/1640-1840 1725 1825 DSS-34 CANBERRA 1325-1425 EDT, Sun 22 Mar 082/0215-0415 0300 0400 DSS-24 GOLDSTONE 2300-0000 EDT, Sun 22 Mar 082/1155-1355 1240 1340 DSS-24 GOLDSTONE 0840-0940 EDT, Mon 23 Mar 082/2215-0015 2300 0000 DSS-65 MADRID 1900-2000 EDT, Mon 23 Mar SNAPSHOT summary: ----------------- UTC 2026:079:11:39:02 (Mar20) f_ACE 1.82e+03 F_CRM 4.53e+07 Kp 4.3 R km 18693A OBT 2026:079:11:36:27 CTUVCDU 11009535 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 890393787.76 ONLVCDU 11009528 OBC Errs 0 OBSID 41619 EPState SUN SIM TTpos -99616 HETG Angle 5.59 PCADMODE NPNT RA 40.800 Bus V 26.95 SIM FApos -535 LETG Angle 76.09 PCONTROL NPNT Dec 42.794 Bus I 21.08 AOFSTAR GUID Roll 310.001 ACA Object SSSSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang 15.91 Yaw Rate -0.19 HRC-S HV OFF ACA CCD Temp -7.7 Dith Zang 13.78 Pitch Rate -0.24 SHLD HV 0.0 ACA Int Time 1.698 Roll Rate -0.36 EVT RT 4844 AOACSTAT OK FSS SunBeta SUN SHLD RT 0 FSS Alfa -2.53 Batt 1 SOC 100.00% Avg HRMA Temp 73.24 FSS Beta 33.02 Batt 2 SOC 100.00% A -15 V -0.62 Avg OBA Temp 77.27 SA Resolv 56.44 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 10.83 A +24 V 0.00 HRMA power 62.90 SCS 128 ACT -Y SA Amps 10.06 OBA power 0.00 SCS 129 ACT +Y SA Temp 115.12 SCS 130 ACT -Y SA Temp 114.81 ACIS Stat7-0 6 Roll Mom. 4.058 SCS 131 ACT Cold Rad -111. Pitch Mom. 17.754 SCS 132 ACT Ephin Temp 0.0000 Warm Rad -74.7 Yaw Mom. 5.339 SCS 133 INAC EIO Temp 0.0000 RadMon DISA PMTANKP 150.132 SCS 107 INAC EPH temp 152.81 UpLCmdAcc 49563 IRU2G2 curr 120.00 M Unload MON Cmd Rej A 107 IRU2G1 curr 93.60 Roll Bias 1.9923 TSC Move STOP Prop. line 03 115.08 Pitch Bias -4.1760 FA Move STOP CTX B PWR 36.92 Prop. line 04 96.88 Yaw Bias -1.8321 OTG Move DISA CTX B Volts 3.54 UTC 2026:079:13:02:01 (Mar20) f_ACE 2.82e+03 F_CRM 0.00e+00 Kp 4.3 R km 32254A Currently scheduled FPSI, OTG : HRC-S HETG Estimated Kp : 2.0 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 1.88e+03 GOES-R P4 flux, in RADMON P4GM units : 0.00e+00 GOES-R P7 flux, in RADMON P41GM units : 8.34e-03 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 4.73e+02 Orbit Start Time : 2026:079:11:44:18 Geocentric Distance (km), Orbit Leg : 31786 A CRM Region : 3 (Magnetosphere) External Proton Flux (p/cm^2-s-sr-MeV) : 9.4000e+02 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 0.0000e+00 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 8.6700e+05 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 0.0000e+00