QRZ.RU EXPRESS от 13 сентября 2025

Опубликовано: 12 сентября 2025 в 1257 UTC
SIDC URSIGRAM 50912
Состояние солнечной активности на 12 сентября 2025, 1256UT
Прогноз SIDC
SOLAR FLARES : C-class flares expected, (probability >=50%)
Геомагнитное поле: Спокойное состояние (A<20 and K<4)
Солнечные протоны: Спокойное состояние
Прогноз на 12 сентября 2025: Солнечный поток в диапазоне 10см: 114 / AP-индекс: 008
Прогноз на 13 сентября 2025: Солнечный поток в диапазоне 10см: 112 / AP-индекс: 017
Прогноз на 14 сентября 2025: Солнечный поток в диапазоне 10см: 111 / AP-индекс: 023
Комментарий (на английском языке): Solar Active Regions and flaring: Solar flaring activity was low over the past 24 hours, with only C-class flares identified. The largest flare was a C7.6 flare (SIDC Flare 5471) peaking on September 11 at 15:21 UTC, which was produced by SIDC Sunspot Group 624 (NOAA Active Region 4207). During the flare, the source region (AR 4207) of the flare had beta configuration of its photospheric magnetic field. A total of 7 numbered sunspot groups were identified on the disk over the past 24 hours. Solar flaring activity is expected to be at low to moderate levels over the next 24 hours, possibly with few C-class flares and a low chance for M-class flares. Coronal mass ejections: A faint coronal mass ejection (CME) was first observed in the SOHO/LASCO C2 images around 10:30 UTC on Sep 11. It has a projected width of about 100 deg. This CME is associated to a filament eruption in the S hemisphere of the Sun. Narrow CMEs related to this filament eruption were also observed prior to this CME. With the bulk of the mass strongly directed towards SW, this CME will miss Earth, but a glancing blow related to this CME may be possible on Sep 15-16. No other Earth-directed CMEs were detected in the available coronagraph observations during the last 24 hour. Coronal holes: Recurrent negative polarity coronal hole (SIDC Coronal Hole 116), which spans from 10 S to 30 N, is still crossing the central meridian. The high speed streams originating from this coronal hole are expected to impact the Earth from Sep 13. Solar wind: Earth is presently inside the slow solar wind regime. The solar wind speed ranged from 365 km/s to 450 km/s and the interplanetary magnetic field ranged from 5 nT to 9 nT. The North-South component (Bz) ranged between -6 and 5 nT. Slow solar wind conditions are expected to continue over the next 24 hours, unless the high speed stream from the SIDC Coronal Hole 116 (negative polarity), which started to cross the central meridian on Sep 10, arrives earlier at Earth. Geomagnetism: Geomagnetic conditions were at quiet to unsettled conditions (NOAA Kp 1 to 3), both globally and locally during the past 24 hours. We expect quiet to active conditions (K 1 to 4) in the next 24 hours, unless the high speed stream from the SIDC Coronal Hole 116 (negative polarity), which started to cross the central meridian on Sep 10, arrives earlier at Earth. Proton flux levels: The greater than 10 MeV GOES proton flux was below the threshold level over the past 24 hours and it is expected to remain so for the next 24 hours. Electron fluxes at GEO: The greater than 2 MeV electron flux, as measured by GOES-19 and GOES-18 satellites, remained below the 1000 pfu threshold level during the last 24 hours. The electron flux may exceed the threshold level in the next 24 hours. The 24h electron fluence is presently at normal level, and it is expected to remain so in the next 24 hours.Сегодняшнее значение числа солнечных пятен (International Sunspot Number): 052,
получено на основе анализа результатов 24 станций наблюдения.
Солнечные индексы за 11 Sep 2025
Число Вольфа по данным обсерватории Катания (IT9): 104
Солнечный поток в диапазоне 10см: 115
A-индекс по данным обсерватории Chambon-la-Foret (F): 009
A-индекс по данным обсерватории Wingst (DL): 010
Планетарный А-индекс Ap: 010
Вчерашнее значение числа солнечных пятен (International Sunspot Number): 089,
получено на основе анализа результатов 25 станций наблюдения.
Прошедшие события на Солнце:
DAY BEGIN MAX END LOC XRAY OP 10CM Catania/NOAA RADIO_BURST_TYPES
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