Heliophysics Events Knowledgebase Coverage Registry (HCR)
Observation Details
Overview Where Groups: Mode, FOV, # spectra in map Data Links
2024-10-24 11:30:33-14:24:07
HOP 485 S60 high-lat mag field
High-latitude magnetic field evolution during the sunspot cycle
x,y:-21",-912"
Max FOV:311"x162"
Target:Quiet Sun
Nearby Events
6302A Continuum Intensity311"x162"987 spectra
6302A Longitudinal Flux Density311"x162"987 spectra
6302A Transverse Flux Density311"x162"987 spectra
6302A Velocity 6301.5A311"x162"987 spectra
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SP Cubes 17 MB
SOTSP: HOP 485 S60 high-lat mag field
2024-10-24T11:30:33 to 2024-10-24T14:24:07
Science Goal: High-latitude magnetic field evolution during the sunspot cycle
Program: Fast deep mode, 2048 slit position, LIMB ONLY
Target: Quiet Sun
xcen=-21 ycen=-912
Instrument: SOTSP
HOP/JOP: 485
Description: Main Objective: Observe high-latitude magnetic field evolution during the sunspot cycle Scientific Justification: SDO/HMI full-disk magnetograms suggest the appearance and advection of patches of mixed polarity, in latitudes ranging from 50 to 70 degrees in each hemisphere. These magnetic field concentrations hold important information as to polar field evolution, both in the reversal of the polar cap and in the strengthening of the new one, throughout each sunspot cycle. We propose to monitor regions that center at latitude of 60 degrees in each hemisphere, at least once per month, in a similar manner to HOP81 fast scan mode. These observations complement the existing series of high-quality magnetogram data from SOT of the polar regions under HOP 81 and HOP 206, which cover heliographic latitudes poleward of 70 degrees.

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Chief Observer
Tiwari (RCO) -> Kubo
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Cites: HOP 485 S60 high-lat mag field     
Timeline: gif use
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wavelength: 6302A Continuum Intensity cadence: 0 min fov: 311,162 images: 987 JavaScript Landing Page
wavelength: 6302A Velocity 6301.5A cadence: 0 min fov: 311,162 images: 987 JavaScript Landing Page
wavelength: 6302A Transverse Flux Density cadence: 0 min fov: 311,162 images: 987 JavaScript Landing Page
wavelength: 6302A Longitudinal Flux Density cadence: 0 min fov: 311,162 images: 987 JavaScript Landing Page
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