giovedì 20 ottobre 2011

SIDC Weekly Bulletin

:Issued: 2011 Oct 19 1100 UTC
:Product: documentation at http://www.sidc.be/products/bul
#--------------------------------------------------------------------#
# SIDC Weekly bulletin on Solar and Geomagnetic activity            #
#--------------------------------------------------------------------#
WEEK 563 from 2011 Oct 10 

SOLAR ACTIVITY
--------------
Only C-class flares were seen during the week. No Earth directed CMEs occurred.

GEOMAGNETIC ACTIVITY
--------------------
Geomagnetic activity was quiet to unsettled during the week. No active periods
were observed. The unsettled activity was due to a fast speed stream from a
coronal hole on October 15-16. No ICMEs arrived to the Earth.
---------------------------------------------------------------------------
DAILY INDICES
DATE          RC  EISN  10CM  Ak  BKG    M  X
2011 Oct 10  104    058  126  004  B3.0  0  0
2011 Oct 11  127    083  130  004  B3.3  0  0
2011 Oct 12  158    100  134  006  B4.0  0  0
2011 Oct 13  179    109  138  004  B4.1  0  0
2011 Oct 14  203    116  136  002  B3.9  0  0
2011 Oct 15  ///    101  138  010  B4.5  0  0
2011 Oct 16  ///    104  151  008  B8.6  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)
---------------------------------------------------------------------------
NOTICEABLE EVENTS
DAY BEGIN MAX  END  LOC    XRAY OP TENCM TYPE                      Cat NOAA NOTE


#--------------------------------------------------------------------#
# 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                                          #
#--------------------------------------------------------------------#