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Monthly Events in 2025/04

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events

14 (2025/03/31 - 2025/04/06)

HOP 0206 - Polar Panorama Map for understanding Polar Reversal in Cycle 24 (2025/03/31-2025/03/31)

HOP 0349 - XRT full-sun image campaign toward solar minimum (2025/04/04-2025/04/06)

HOP 0393 - Cycle 24/25 equatorial transition (2025/04/05-2025/04/05)

HOP 0448 - Soft X-ray spectral variability during the rising phase of Solar Cycle 25 and cross-calibration between Hinode XRT and DAXSS Smallsat (2022/11/01-2026/12/31)

HOP 0497 - [SOOP: burst SOOP] Solar Orbiter & DKIST coordinated observation (2025/04/01-2025/04/01)

HOP 0500 - [SOOP: Major Flare Watch] Flare Watch (2025/04/02-2025/04/02)

HOP 0502 - [SOOP: Fast Wind] Solar wind origin regions in coronal holes (2025/03/20-2025/04/04)

HOP 0504 - [SOOP: L_BOTH_LRES_MCAD_Pole-to-Pole] Pole to disk composition variation (2025/03/29-2025/04/03)

HOP 0504 - [SOOP: L_BOTH_LRES_MCAD_Pole-to-Pole] Pole to disk composition variation (2025/04/06-2025/04/27)

remarks - XRT Bake Out - scheduled (2025/04/06-2025/04/08)

15 (2025/04/07 - 2025/04/13)

HOP 0081 - CORE (HOP0002) Polar Monitoring Campaign during the Solar Cycle (2025/04/08-2025/04/08)

HOP 0349 - XRT full-sun image campaign toward solar minimum (2025/04/10-2025/04/10)

HOP 0349 - XRT full-sun image campaign toward solar minimum (2025/04/13-2025/04/15)

HOP 0393 - Cycle 24/25 equatorial transition (2025/04/12-2025/04/12)

HOP 0448 - Soft X-ray spectral variability during the rising phase of Solar Cycle 25 and cross-calibration between Hinode XRT and DAXSS Smallsat (2022/11/01-2026/12/31)

HOP 0504 - [SOOP: L_BOTH_LRES_MCAD_Pole-to-Pole] Pole to disk composition variation (2025/04/06-2025/04/27)

remarks - XRT Bake Out - scheduled (2025/04/06-2025/04/08)

16 (2025/04/14 - 2025/04/20)

HOP 0081 - CORE (HOP0002) Polar Monitoring Campaign during the Solar Cycle (2025/04/15-2025/04/15)

HOP 0130 - CORE: Multi-temperature Full Disk Slot Scans (2025/04/15-2025/04/15)

HOP 0349 - XRT full-sun image campaign toward solar minimum (2025/04/13-2025/04/15)

HOP 0393 - Cycle 24/25 equatorial transition (2025/04/19-2025/04/19)

HOP 0412 - Synoptic SOT Latitudinal Scans (updated version of HOP79) (2025/04/17-2025/04/17)

HOP 0448 - Soft X-ray spectral variability during the rising phase of Solar Cycle 25 and cross-calibration between Hinode XRT and DAXSS Smallsat (2022/11/01-2026/12/31)

HOP 0504 - [SOOP: L_BOTH_LRES_MCAD_Pole-to-Pole] Pole to disk composition variation (2025/04/06-2025/04/27)

17 (2025/04/21 - 2025/04/27)

HOP 0393 - Cycle 24/25 equatorial transition (2025/04/26-2025/04/26)

HOP 0448 - Soft X-ray spectral variability during the rising phase of Solar Cycle 25 and cross-calibration between Hinode XRT and DAXSS Smallsat (2022/11/01-2026/12/31)

HOP 0504 - [SOOP: L_BOTH_LRES_MCAD_Pole-to-Pole] Pole to disk composition variation (2025/04/06-2025/04/27)

remarks - XRT Bake Out - scheduled (2025/04/27-2025/04/29)

18 (2025/04/28 - 2025/05/04)

HOP 0393 - Cycle 24/25 equatorial transition (2025/05/03-2025/05/03)

HOP 0448 - Soft X-ray spectral variability during the rising phase of Solar Cycle 25 and cross-calibration between Hinode XRT and DAXSS Smallsat (2022/11/01-2026/12/31)

HOP 0485 - High-latitude magnetic field evolution during the sunspot cycle (2025/04/28-2025/04/28)

HOP 0485 - High-latitude magnetic field evolution during the sunspot cycle (2025/05/01-2025/05/01)

remarks - XRT Bake Out - scheduled (2025/04/27-2025/04/29)

19 (2025/05/05 - 2025/05/11)

HOP 0130 - CORE: Multi-temperature Full Disk Slot Scans (2025/05/06-2025/05/06)

HOP 0393 - Cycle 24/25 equatorial transition (2025/05/10-2025/05/10)

HOP 0412 - Synoptic SOT Latitudinal Scans (updated version of HOP79) (2025/05/08-2025/05/08)

HOP 0448 - Soft X-ray spectral variability during the rising phase of Solar Cycle 25 and cross-calibration between Hinode XRT and DAXSS Smallsat (2022/11/01-2026/12/31)

20 (2025/05/12 - 2025/05/18)

HOP 0081 - CORE (HOP0002) Polar Monitoring Campaign during the Solar Cycle (2025/05/13-2025/05/13)

HOP 0081 - CORE (HOP0002) Polar Monitoring Campaign during the Solar Cycle (2025/05/15-2025/05/15)

HOP 0393 - Cycle 24/25 equatorial transition (2025/05/17-2025/05/17)

HOP 0448 - Soft X-ray spectral variability during the rising phase of Solar Cycle 25 and cross-calibration between Hinode XRT and DAXSS Smallsat (2022/11/01-2026/12/31)

remarks - XRT Bake Out - scheduled (2025/05/18-2025/05/20)

remarks - "Focused" Mode Operation (2025/05/13-2025/06/02)

21 (2025/05/19 - 2025/05/25)

HOP 0393 - Cycle 24/25 equatorial transition (2025/05/24-2025/05/24)

HOP 0448 - Soft X-ray spectral variability during the rising phase of Solar Cycle 25 and cross-calibration between Hinode XRT and DAXSS Smallsat (2022/11/01-2026/12/31)

HOP 0485 - High-latitude magnetic field evolution during the sunspot cycle (2025/05/20-2025/05/20)

HOP 0485 - High-latitude magnetic field evolution during the sunspot cycle (2025/05/22-2025/05/22)

remarks - XRT Bake Out - scheduled (2025/05/18-2025/05/20)

remarks - "Focused" Mode Operation (2025/05/13-2025/06/02)

22 (2025/05/26 - 2025/06/01)

HOP 0393 - Cycle 24/25 equatorial transition (2025/05/31-2025/05/31)

HOP 0448 - Soft X-ray spectral variability during the rising phase of Solar Cycle 25 and cross-calibration between Hinode XRT and DAXSS Smallsat (2022/11/01-2026/12/31)

HOP 0506 - Magnetic field structure of prominences, solar tornadoes and spicules on the limb and on the disk (2025/05/29-2025/06/07)

remarks - "Focused" Mode Operation (2025/05/13-2025/06/02)

23 (2025/06/02 - 2025/06/08)

HOP 0448 - Soft X-ray spectral variability during the rising phase of Solar Cycle 25 and cross-calibration between Hinode XRT and DAXSS Smallsat (2022/11/01-2026/12/31)

HOP 0506 - Magnetic field structure of prominences, solar tornadoes and spicules on the limb and on the disk (2025/05/29-2025/06/07)

remarks - XRT Bake Out - scheduled (2025/06/08-2025/06/10)

remarks - "Focused" Mode Operation (2025/05/13-2025/06/02)

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