martedì 31 agosto 2010

SIDC Weekly Bulletin

:Issued: 2010 Aug 31 1041 UTC
:Product: documentation at http://www.sidc.be/products/bul
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# SIDC Weekly bulletin on Solar and Geomagnetic activity            #
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WEEK 504 from 2010 Aug 23 

SOLAR ACTIVITY
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Solar activity was very low during the week,
with no significant flaring activity.

GEOMAGNETIC ACTIVITY
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The week was dominated by the influence of a
coronal hole that triggered active to minor storm
conditions at planetary levels from Aug. 23rd, 21UT
until Aug. 25th 06UT. Minor storm conditions were only
observed during 6 hours on Aug. 25th.
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DAILY INDICES
DATE          RC  EISN  10CM  Ak  BKG    M  X
2010 Aug 23  014    000  75  008  A4.9  0  0
2010 Aug 24  011    007  74  022  A4.7  0  0
2010 Aug 25  022    015  74  018  A5.2  0  0
2010 Aug 26  033    014  73  012  A7.5  0  0
2010 Aug 27  011    008  73  018  A7.9  0  0
2010 Aug 28  011    007  72  008  A5.9  0  0
2010 Aug 29  ///    017  74  003  A5.7  0  0
# RC  : Sunspot index (Wolf Number) from Catania Observatory (Italy)
# EISN : Estimated International Sunspot Number
# 10cm : 10.7 cm  radioflux (DRAO, Canada)
# Ak  : Ak Index Wingst (Germany)
# BKG  : Background GOES X-ray level (NOAA, USA)
# M,X  : Number of X-ray flares in M and X class, see below (NOAA, USA)
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NOTICEABLE EVENTS
DAY BEGIN MAX  END  LOC    XRAY OP TENCM TYPE                      Cat NOAA NOTE


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# Solar Influences Data analysis Center - RWC Belgium                #
# Royal Observatory of Belgium                                      #
# Fax : 32 (0) 2 373 0 224                                          #
# Tel.: 32 (0) 2 373 0 491                                          #
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