Vaata laupäev, 28 september 2013 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2013 Sep 28 1447 UTC

SIDC Forecast

Valid from 1230 UTC, 28 Sep 2013 until 30 Sep 2013
Päikesepursked ehk loited

Quiet conditions (<50% probability of C-class flares)

Geomagnetism

Quiet (A<20 and K<4)

Päikese prootonid

Quiet

10cm fluxAp
28 Sep 2013108006
29 Sep 2013106006
30 Sep 2013106006

Bulletin

X-ray background radiation is in the B-level. No C-flares occurred. Catania sunspot group 83/NOAA AR 1850 has the potential of producing a C-flare. It is located between 30° and 45° longitude. A large filament (longitudinal, between 5° and 30°) passed the central meridian. Up to now, it seems to be stable. Two coronal holes (CH) are visible on the solar disk: a small northern CH (between 35° and 50° latitude, 20° wide) crossed the central meridian on September 27 and a small equatorial CH (between 5°S and 5°N, 10° wide) that crosses the central meridian today. Unsettled geomagnetic conditions are possible from October 1-2. The geomagnetic conditions are quiet at the moment.

Today's estimated international sunspot number (ISN): 036, based on 15 stations.

Solar indices for 27 Sep 2013

Wolf number Catania073
10cm solar flux108
AK Chambon La Forêt005
AK Wingst001
Estimated Ap001
Estimated international sunspot number044 - Based on 29 stations

Noticeable events summary

DayBeginMaxLõppLocStrengthOP10cmCatania/NOAARadio burst types
Puuduvad

Provided by the Solar Influences Data analysis Center© - SIDC - Processed by SpaceWeatherLive

Kõik ajad UTC-s

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