See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L9779. Start at 120:13:00 GMT PLAN ---- Finish: Obsid: 31735 SI: ACIS-S (29 ksec) Target: MKN421 Then: 2026:120:13:17:42 Grating: NONE 2026:120:13:48:34 Obsid: 32317 SI: ACIS-I (13 ksec) Target: MOOJ1415-1422 2026:120:17:55:17 Obsid: 30070 SI: ACIS-I (40 ksec) Target: Center of COSMO 2026:121:05:42:21 Obsid: 32318 SI: ACIS-S (19 ksec) Target: SDSS J152322.13 2026:121:11:03:41 Grating: HETG 2026:121:11:05:44 RADMON Disable NOTES/ISSUES/PROBLEMS --------------------- From the 9am status meeting: 3 Supports Completed in the last 24 hours (Total time: 6 hours) 3 SSR dumps Loads good through: 2026:123:23:23:16 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 (30 Apr, 01 May, 02 May). Radiation (Geophysical Activity): The geomagnetic field is expected to be at quiet to active levels on day one (30 Apr), quiet to unsettled levels on day two (01 May) and quiet levels on day three (02 May). Protons have a slight chance of crossing threshold on days one, two, and three (30 Apr, 01 May, 02 May). MP: May0426A loads will be out later today. ENG: No issues. GOT: No issues. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- 31106 EP260321a ACIS-S NONE 31877 NGC1317 ACIS-S NONE Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 120/1700-1900 1745 1845 DSS-36 CANBERRA 1345-1445 EDT, Thu 30 Apr 121/0215-0415 0300 0400 DSS-54 MADRID 2300-0000 EDT, Thu 30 Apr 121/0945-1145 1030 1130 DSS-26 GOLDSTONE 0630-0730 EDT, Fri 1 May 121/1910-2110 1955 2055 DSS-56 MADRID 1555-1655 EDT, Fri 1 May SNAPSHOT summary: ----------------- UTC 2026:120:11:24:02 (Apr30) f_ACE 1.55e+01 F_CRM 1.94e+07 Kp 1.7 R km 144835D OBT 2026:120:11:21:10 CTUVCDU 8052735 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 893935270.01 ONLVCDU 8052728 OBC Errs 0 OBSID 31735 EPState SUN SIM TTpos 72104 HETG Angle 77.59 PCADMODE NPNT RA 166.139 Bus V 27.11 SIM FApos -467 LETG Angle 4.09 PCONTROL NPNT Dec 38.254 Bus I 23.66 AOFSTAR GUID Roll 221.984 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang 1.45 Yaw Rate -0.21 HRC-S HV OFF ACA CCD Temp -3.2 Dith Zang 43.00 Pitch Rate -0.02 SHLD HV 0.0 ACA Int Time 1.698 Roll Rate 0.10 EVT RT 4844 AOACSTAT OK FSS SunBeta SUN SHLD RT 0 FSS Alfa 10.52 Batt 1 SOC 100.00% Avg HRMA Temp 73.89 FSS Beta -19.24 Batt 2 SOC 100.00% A -15 V -0.62 Avg OBA Temp 92.24 SA Resolv 108.93 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 11.98 A +24 V 0.00 HRMA power 29.90 SCS 128 ACT -Y SA Amps 11.60 OBA power 0.00 SCS 129 ACT +Y SA Temp 109.28 SCS 130 ACT -Y SA Temp 108.70 ACIS Stat7-0 6 Roll Mom. 0.887 SCS 131 ACT Cold Rad -123. Pitch Mom. 5.830 SCS 132 ACT Ephin Temp 0.0000 Warm Rad -79.6 Yaw Mom. 5.771 SCS 133 ACT EIO Temp 0.0000 RadMon ENAB PMTANKP 148.534 SCS 107 INAC EPH temp 175.44 UpLCmdAcc 4986 IRU2G2 curr 120.00 M Unload MON Cmd Rej A 128 IRU2G1 curr 93.60 Roll Bias 2.0085 TSC Move STOP Prop. line 03 168.93 Pitch Bias -4.2028 FA Move STOP CTX B PWR 36.88 Prop. line 04 168.93 Yaw Bias -1.8325 OTG Move DISA CTX B Volts 3.56 UTC 2026:120:12:59:01 (Apr30) f_ACE 1.62e+01 F_CRM 1.94e+07 Kp 1.7 R km 144407D Currently scheduled FPSI, OTG : ACIS-S NONE Estimated Kp : 1.3 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 2.36e+01 GOES-R P4 flux, in RADMON P4GM units : 4.00e-02 GOES-R P7 flux, in RADMON P41GM units : 1.39e-02 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 2.06e+02 Orbit Start Time : 2026:119:03:45:19 Geocentric Distance (km), Orbit Leg : 144436 D CRM Region : 3 (Magnetosphere) External Proton Flux (p/cm^2-s-sr-MeV) : 9.1308e+01 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 9.1308e+01 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 4.0244e+07 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.9361e+07