See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L9736. Start at 077:15:40 GMT PLAN ---- Finish: Then: 2026:077:16:15:38 Obsid: 31381 SI: ACIS-I (2 ksec) Target: Cas A 2026:077:17:44:16 Obsid: 32226 SI: ACIS-S (10 ksec) Target: NGC4548 2026:077:22:36:43 Obsid: 32233 SI: ACIS-I (10 ksec) Target: Perseus cluster 2026:078:02:00:45 Obsid: 29652 SI: ACIS-S (10 ksec) Target: NGC3626 2026:078:05:24:48 Obsid: 32234 SI: ACIS-I (14 ksec) Target: Perseus cluster 2026:078:10:03:50 Obsid: 32222 SI: ACIS-S (10 ksec) Target: NGC3626 2026:078:13:37:52 Obsid: 30363 SI: ACIS-I (14 ksec) Target: Perseus cluster NOTES/ISSUES/PROBLEMS --------------------- From the 9am status meeting: 2 Supports Completed in the last 24 hours (Total time: 4.3 hours) 2 SSR dumps Loads good through: 2026:081:00:36:17.000 CAP's / Procedures Run: CAP # | Time | Title / Description / Notes [750AR](/occweb/web/webapps/ifot/ifot.php?r=flightops&t=properties&format=sheet&id=1001986) | 077/1040z | Low Rate Dump of the Online OBC Checksummed Memory (XSUM_3) Perform on-orbit OBC checksummed memory dump of the ONLN OBC (0x20000 to 0x2FFFF) Radiation (Solar Activity): Solar activity is expected to be low with a chance for M-class flares on days one, two, and three (18 Mar, 19 Mar, 20 Mar). Radiation (Geophysical Activity): The geomagnetic field is expected to be at quiet to unsettled levels on day one (18 Mar), quiet to major storm levels on day two (19 Mar) and unsettled to minor storm levels on day three (20 Mar). Protons greater than 10 Mev have a slight chance of crossing threshold on days two and three (19 Mar, 20 Mar). MP: MAR2326A command loads in works. ENG: No issues. GOT: No issues. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- 30429 Abell 2255 ACIS-I NONE 31066 HD 29419 HRC-I NONE 32225 NGC4548 ACIS-S NONE 30360 Perseus cluster E ACIS-I NONE 29659 NGC4548 ACIS-S NONE Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 077/2140-2340 2225 2325 DSS-54 MADRID 1825-1925 EDT, Wed 18 Mar 078/0215-0415 0300 0400 DSS-65 MADRID 2300-0000 EDT, Wed 18 Mar 078/1135-1335 1220 1320 DSS-26 GOLDSTONE 0820-0920 EDT, Thu 19 Mar SNAPSHOT summary: ----------------- UTC 2026:077:11:31:02 (Mar18) f_ACE 1.31e+01 F_CRM 1.87e+07 Kp 1.3 R km 119230A OBT 2026:077:11:28:25 CTUVCDU 10333311 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 890220505.68 ONLVCDU 10333304 OBC Errs 0 OBSID 41626 EPState SUN SIM TTpos 88727 HETG Angle 77.59 PCADMODE NPNT RA 162.043 Bus V 26.79 SIM FApos -535 LETG Angle 76.09 PCONTROL NPNT Dec 26.073 Bus I 22.63 AOFSTAR GUID Roll 213.592 ACA Object SSSSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang 13.92 Yaw Rate -0.01 HRC-S HV OFF ACA CCD Temp -6.6 Dith Zang -8.41 Pitch Rate -0.16 SHLD HV 0.0 ACA Int Time 1.698 Roll Rate 0.12 EVT RT 5354 AOACSTAT OK FSS SunBeta NSUN SHLD RT 0 FSS Alfa -49.60 Batt 1 SOC 100.00% Avg HRMA Temp 72.92 FSS Beta -49.72 Batt 2 SOC 100.00% A -15 V -0.62 Avg OBA Temp 86.11 SA Resolv 150.61 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 11.41 A +24 V 0.00 HRMA power 31.50 SCS 128 ACT -Y SA Amps 11.02 OBA power 35.10 SCS 129 ACT +Y SA Temp 115.49 SCS 130 ACT -Y SA Temp 114.20 ACIS Stat7-0 6 Roll Mom. 6.417 SCS 131 ACT Cold Rad -125. Pitch Mom. 20.236 SCS 132 ACT Ephin Temp 0.0000 Warm Rad -82.0 Yaw Mom. -6.094 SCS 133 ACT EIO Temp 0.0000 RadMon ENAB PMTANKP 148.534 SCS 107 INAC EPH temp 152.81 UpLCmdAcc 47398 IRU2G2 curr 122.40 M Unload MON Cmd Rej A 40 IRU2G1 curr 96.00 Roll Bias 1.9928 TSC Move STOP Prop. line 03 172.34 Pitch Bias -4.1761 FA Move STOP CTX B PWR 36.92 Prop. line 04 151.92 Yaw Bias -1.8328 OTG Move DISA CTX B Volts 3.54 UTC 2026:077:15:40:02 (Mar18) f_ACE 1.13e+01 F_CRM 1.95e+07 Kp 0.7 R km 131372A Currently scheduled FPSI, OTG : ACIS-I NONE Estimated Kp : 0.7 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 1.05e+01 GOES-R P4 flux, in RADMON P4GM units : 8.12e-02 GOES-R P7 flux, in RADMON P41GM units : 1.12e-02 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 2.01e+03 Orbit Start Time : 2026:076:20:17:07 Geocentric Distance (km), Orbit Leg : 131411 A CRM Region : 2 (Magnetosheath) External Proton Flux (p/cm^2-s-sr-MeV) : 3.7828e+01 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 3.7828e+01 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 4.2451e+07 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.9529e+07