See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L9899. Start at 240:13:00 GMT PLAN ---- Start in radiation zone Then: 2026:240:23:43:58 Grating: NONE 2026:241:00:04:48 RADMON Enable 2026:241:00:22:40 Obsid: 30203 SI: ACIS-S (16 ksec) Target: NGC5728 2026:241:05:27:34 Obsid: 32508 SI: ACIS-I (10 ksec) Target: RMJ214001.0-080 2026:241:08:52:27 Obsid: 32515 SI: ACIS-S (16 ksec) Target: NGC5728 For the weekend: 2026:241:14:00:22 Obsid: 32507 SI: ACIS-S (10 ksec) Target: LEDA2831062 2026:241:17:09:50 Grating: HETG 2026:241:17:42:41 Obsid: 30505 SI: ACIS-S (15 ksec) Target: Vela X-1 2026:241:21:56:15 Grating: NONE 2026:241:22:30:37 Obsid: 30135 SI: ACIS-S (30 ksec) Target: SNR G1.9+0.3 2026:242:07:33:02 Obsid: 26973 SI: HRC-I (5 ksec) Target: 70 OPH 2026:242:09:24:04 Obsid: 32509 SI: ACIS-I (9 ksec) Target: RMJ214053.7-082 2026:242:13:03:57 Obsid: 32512 SI: ACIS-I (14 ksec) Target: [CTC2021] Vela 2026:242:17:39:53 Obsid: 32513 SI: ACIS-S (16 ksec) Target: SNR G1.9+0.3 2026:242:22:43:24 Obsid: 30424 SI: ACIS-I (15 ksec) Target: Abell 2255 2026:243:02:59:31 Grating: HETG 2026:243:03:01:57 RADMON Disable NOTES/ISSUES/PROBLEMS --------------------- From the 9am status meeting: 2 Supports Completed in the last 24 hours (Total time: 5 hours) 5 SSR dumps Radiation (Solar Activity): Solar activity is expected to be low with a 30% chance for M-class flares and a slight chance for an X-class flare on days one, two, and three (28 Aug, 29 Aug, 30 Aug). Solar wind stream and ACE P3 particle rates are currently at background levels. Radiation (Geophysical Activity): The geomagnetic field is expected to be at quiet to major storm levels on days one and two (28 Aug, 29 Aug) and quiet to active levels on day three (30 Aug). Protons have a slight chance of crossing threshold on days one, two, and three (28 Aug, 29 Aug, 30 Aug). MP: Aug3126A loads were approved. ENG: No issues. GOT: No issues. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- None Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 240/1740-1940 1825 1925 DSS-36 CANBERRA 1425-1525 EDT, Fri 28 Aug 241/0015-0215 0100 0200 DSS-23 GOLDSTONE 2100-2200 EDT, Fri 28 Aug 241/0720-0855 0755 0840 DSS-24 GOLDSTONE 0355-0440 EDT, Sat 29 Aug 241/1645-1805 1720 1750 DSS-54 MADRID 1320-1350 EDT, Sat 29 Aug 242/0055-0255 0140 0240 DSS-24 GOLDSTONE 2140-2240 EDT, Sat 29 Aug 242/1345-1545 1430 1530 DSS-54 MADRID 1030-1130 EDT, Sun 30 Aug 242/2235-0035 2320 0020 DSS-23 GOLDSTONE 1920-2020 EDT, Sun 30 Aug 243/0215-0415 0300 0400 DSS-23 GOLDSTONE 2300-0000 EDT, Sun 30 Aug 243/1300-1500 1345 1445 DSS-24 GOLDSTONE 0945-1045 EDT, Mon 31 Aug 243/1740-1940 1825 1925 DSS-54 MADRID 1425-1525 EDT, Mon 31 Aug SNAPSHOT summary: ----------------- UTC 2026:240:11:00:02 (Aug28) f_ACE 2.46e+01 F_CRM 5.12e+08 Kp 2.0 R km 105428D OBT 2026:240:10:56:48 CTUVCDU 14953087 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 904301808.88 ONLVCDU 14953080 OBC Errs 0 OBSID 32510 EPState SUN SIM TTpos 75623 HETG Angle 77.59 PCADMODE NPNT RA 26.713 Bus V 27.26 SIM FApos -467 LETG Angle 75.71 PCONTROL NPNT Dec 48.437 Bus I 20.83 AOFSTAR GUID Roll 127.591 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang 6.64 Yaw Rate 0.15 HRC-S HV OFF ACA CCD Temp -4.0 Dith Zang 1.90 Pitch Rate 0.40 SHLD HV 0.0 ACA Int Time 1.698 Roll Rate -0.44 EVT RT 6374 AOACSTAT OK FSS SunBeta SUN SHLD RT 0 FSS Alfa -0.07 Batt 1 SOC 100.00% Avg HRMA Temp 74.86 FSS Beta -17.37 Batt 2 SOC 100.00% A -15 V -0.62 Avg OBA Temp 87.56 SA Resolv 106.63 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 10.44 A +24 V 0.00 HRMA power 0.00 SCS 128 ACT -Y SA Amps 10.06 OBA power 0.00 SCS 129 ACT +Y SA Temp 110.51 SCS 130 ACT -Y SA Temp 109.58 ACIS Stat7-0 6 Roll Mom. -11.305 SCS 131 ACT Cold Rad -118. Pitch Mom. 3.070 SCS 132 ACT Ephin Temp 0.0000 Warm Rad -77.1 Yaw Mom. 6.405 SCS 133 INAC EIO Temp 0.0000 RadMon ENAB PMTANKP 153.330 SCS 107 INAC EPH temp 126.31 UpLCmdAcc 39782 IRU2G2 curr 117.60 M Unload MON Cmd Rej A 19 IRU2G1 curr 96.00 Roll Bias 2.0679 TSC Move STOP Prop. line 03 162.13 Pitch Bias -4.2591 FA Move STOP CTX B PWR 36.96 Prop. line 04 138.53 Yaw Bias -1.8531 OTG Move DISA CTX B Volts 3.54 UTC 2026:240:12:50:01 (Aug28) f_ACE 2.82e+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 : 1.40e-01 GOES-R P7 flux, in RADMON P41GM units : 5.56e-03 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 1.69e+02 Orbit Start Time : 2026:177:08:08:58 Geocentric Distance (km), Orbit Leg : 65995 D 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