See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L9769. Start at 110:13:00 GMT PLAN ---- Finish: Obsid: 29878 SI: ACIS-S (15 ksec) Target: SDSS J141525.26 Then: 2026:110:15:01:32 Obsid: 29880 SI: ACIS-S (23 ksec) Target: SDSS J091934.51 2026:110:21:28:26 Grating: HETG 2026:110:21:30:29 RADMON Disable 2026:111:08:18:28 RADMON Enable 2026:111:08:32:00 Obsid: 31864 SI: ACIS-S (14 ksec) Target: NGC 2110 2026:111:12:28:54 Grating: NONE NOTES/ISSUES/PROBLEMS --------------------- From the 9am status meeting: 8 Supports Completed over the weekend (Total time: 15.8 hours) 11 SSR dumps Loads good through: 2026:114:15:24:40 Radiation (Solar Activity): Solar activity is expected to be very low with a chance for a C-class flares on days one, two, and three (20 Apr, 21 Apr, 22 Apr). Radiation (Geophysical Activity): The geomagnetic field is expected to be at quiet to active levels on days one and two (20 Apr, 21 Apr) and quiet to unsettled levels on day three (22 Apr). MP: No issues. ENG: No issues. GOT: No issues. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- 31419 Abell 2319 ACIS-I NONE 32306 GRB260310A ACIS-S NONE 32298 SDSS J123733.69+085255.7 ACIS-S NONE 30257 Center of COSMOS-Web ACIS-I NONE 32292 2MASX J07042579+4214134 ACIS-S NONE 30259 Center of COSMOS-Web ACIS-I NONE 32299 SN 2012au HRC-I NONE 32296 AM0425-421 ACIS-S NONE 32305 LEDA 184063 ACIS-S NONE 30250 Center of COSMOS-Web ACIS-I NONE 32297 SDSS J123733.69+085255.7 ACIS-S NONE 32294 TV Cassiopeia ACIS-S HETG 32300 NGC 6099 ACIS-S NONE Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 110/1020-1220 1105 1205 DSS-26 GOLDSTONE 0705-0805 EDT, Mon 20 Apr 110/1850-2000 1925 1945 DSS-34 CANBERRA 1525-1545 EDT, Mon 20 Apr 111/0905-1135 0950 1120 DSS-26 GOLDSTONE 0550-0720 EDT, Tue 21 Apr SNAPSHOT summary: ----------------- UTC 2026:110:12:03:02 (Apr20) f_ACE 2.00e+02 F_CRM 1.61e+08 Kp 3.3 R km 121590D OBT 2026:110:12:00:13 CTUVCDU 4690175 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 893073613.87 ONLVCDU 4690168 OBC Errs 0 OBSID 29878 EPState SUN SIM TTpos 75624 HETG Angle 77.59 PCADMODE NPNT RA 213.851 Bus V 27.11 SIM FApos -467 LETG Angle 75.71 PCONTROL NPNT Dec 4.944 Bus I 21.86 AOFSTAR GUID Roll 160.216 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang 14.60 Yaw Rate -0.21 HRC-S HV OFF ACA CCD Temp -3.6 Dith Zang -0.98 Pitch Rate -0.21 SHLD HV 0.0 ACA Int Time 1.698 Roll Rate 0.27 EVT RT 6374 AOACSTAT OK FSS SunBeta NSUN SHLD RT 0 FSS Alfa -49.57 Batt 1 SOC 100.00% Avg HRMA Temp 74.00 FSS Beta -49.72 Batt 2 SOC 100.00% A -15 V -0.62 Avg OBA Temp 88.52 SA Resolv 162.39 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 11.02 A +24 V 0.00 HRMA power 29.90 SCS 128 ACT -Y SA Amps 10.63 OBA power 0.00 SCS 129 ACT +Y SA Temp 112.35 SCS 130 ACT -Y SA Temp 111.43 ACIS Stat7-0 6 Roll Mom. 4.784 SCS 131 ACT Cold Rad -120. Pitch Mom. 3.548 SCS 132 ACT Ephin Temp 0.0000 Warm Rad -79.6 Yaw Mom. -1.345 SCS 133 ACT EIO Temp 0.0000 RadMon ENAB PMTANKP 150.132 SCS 107 INAC EPH temp 138.67 UpLCmdAcc 55663 IRU2G2 curr 120.00 M Unload MON Cmd Rej A 15 IRU2G1 curr 93.60 Roll Bias 2.0063 TSC Move STOP Prop. line 03 138.53 Pitch Bias -4.2022 FA Move STOP CTX A PWR 36.32 Prop. line 04 140.72 Yaw Bias -1.8200 OTG Move DISA CTX A Volts 3.52 UTC 2026:110:12:45:01 (Apr20) f_ACE 1.56e+02 F_CRM 1.62e+08 Kp 3.3 R km 119239D Currently scheduled FPSI, OTG : ACIS-S NONE Estimated Kp : 2.3 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 1.99e+02 GOES-R P4 flux, in RADMON P4GM units : 5.99e-02 GOES-R P7 flux, in RADMON P41GM units : 0.00e+00 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 2.31e+02 Orbit Start Time : 2026:108:13:51:12 Geocentric Distance (km), Orbit Leg : 119548 D CRM Region : 2 (Magnetosheath) External Proton Flux (p/cm^2-s-sr-MeV) : 5.3352e+02 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 5.3352e+02 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 2.4617e+08 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.6158e+08