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Aktuální sluneční data:
Pro
20.březen 2019 - 12:30 UT(GMT)
Mezinárodní číslo slunečních skvrn :
038
Sluneční záblesky : C-class flares expected, (probability >=50%)
Geomagnetická situace : Quiet (A<20 and K<4)
Sluneční protony : Quiet
Komentář : There is an unnumbered active region to the northwest of AR 2735
that developed quickly in the last hours. It produced a C4.8 flare peaking
at 11:18 UT and several B-class flares. A small dimming was also visible in
relation to these flares, there are no coronagraph data yet to search for
an associated CME. This will be confirmed later as the data become
available. There is one numbered active region visible on the solar disk
(NOAA AR 2735 with beta magnetic field configuration). This region has
grown in size and number of sunspots. A small dimming was seen from this AR
on 18 March at 14:27 UT, for which no obvious CME could be found in the
data. More C-class flares can be expected, M-class flares are possible.
Solar protons have remained at background levels over the past 24 hours.
The solar wind speed did not reach high values (lower than 420 km/s) in the
high speed stream that was expected for yesterday, the interplanetary
magnetic field remained below 8 nT. Therefore, geomagnetic conditions
reached only unsettled levels (K = 3). At present, the solar wind speed is
at 400 km/s with interplanetary magnetic fields of 4 nT. Quiet to unsettled
conditions can be expected in the coming hours.
Předpověď sluneční aktivity pro období : March 15 - March 21, 2019
Poslední fotografie ze SOHO / SDO:
Různé barvy snímků prozrazují odlišné vlnové délky - každá
vlnová délka je vyzařována plynem o určité teplotě: oranžová: 80 000 °C,
modrá: 1 000 000 °C, zelená: 1 500 000 °C, hnědá: 2 500 000 °C.
He II/Si XI 30,4 nm
80 000 °C
EIT 304
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Fe IX/X 17,1 nm
1 000 000 °C
EIT 171
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Fe XII 19,5 nm
1 500 000 °C
EIT 195
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Fe XV 28,4 nm
2 500 000 °C
EIT 284
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SDO/HMI Continuum
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SDO/HMI Magnetogram
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LASCO C2
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LASCO C3
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