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SIDC Weekly Bulletin

:Issued: 2010 Sep 13 1351 UTC:Product: documentation at http://www.sidc.be/products/bul#——————————————————————–## SIDC Weekly bulletin on Solar and Geomagnetic activity            ##——————————————————————–#WEEK 506 from 2010 Sep 06  SOLAR ACTIVITY————–Solar activity was very low over the whole week.Only two small active regions were observed. The Sun was spotless on Sept.8 and 9. There was only one significant flare (C3.3 on Sept.8) but the largest event …

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SIDC Weekly Bulletin

:Issued: 2010 Aug 31 1041 UTC:Product: documentation at http://www.sidc.be/products/bul#——————————————————————–## SIDC Weekly bulletin on Solar and Geomagnetic activity            ##——————————————————————–#WEEK 504 from 2010 Aug 23  SOLAR ACTIVITY————-Solar activity was very low during the week,with no significant flaring activity. GEOMAGNETIC ACTIVITY——————-The week was dominated by the influence of acoronal hole that triggered active to minor stormconditions at planetary levels from Aug. 23rd, 21UT …

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SIDC Weekly Bulletin

:Issued: 2010 Aug 24 2031 UTC:Product: documentation at http://www.sidc.be/products/bul#——————————————————————–## SIDC Weekly bulletin on Solar and Geomagnetic activity            ##——————————————————————–#WEEK 503 from 2010 Aug 16  SOLAR ACTIVITY————- NOAA AR 1098 was the dominant active region during the period. On Aug 18 it was  positioned on the North West limb and triggered the biggest flare of the period: …

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SIDC Weekly Bulletin

:Issued: 2010 Aug 16 1357 UTC:Product: documentation at http://www.sidc.be/products/bul#——————————————————————–## SIDC Weekly bulletin on Solar and Geomagnetic activity            ##——————————————————————–#WEEK 502 from 2010 Aug 09  SOLAR ACTIVITY————- Solar activity was quiet at the beginning of the week, until NOAA AR 1093 and 1099 combined their forces and produced several C flares : a C4.4 flare on Aug 14 peaking at 10h05 from …

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SIDC Weekly Bulletin

:Issued: 2010 Aug 09 1240 UTC:Product: documentation at http://www.sidc.be/products/bul#——————————————————————–## SIDC Weekly bulletin on Solar and Geomagnetic activity            ##——————————————————————–#WEEK 501 from 2010 Aug 02  SOLAR ACTIVITY————-Solar activity was rather low most of the week, until the appearance on the east limb of NOAA AR 1093 which produced a C1.3 flare on Aug. 5th (peak time 21:35 UT) and a M1 flare …

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SIDC Weekly Bulletin

:Issued: 2010 Jul 26 1856 UTC:Product: documentation at http://www.sidc.be/products/bul#——————————————————————–## SIDC Weekly bulletin on Solar and Geomagnetic activity            ##——————————————————————–#WEEK 499 from 2010 Jul 19  SOLAR ACTIVITY————-Solar activity was very low during the week, withvery little flaring activity. NOAA AR 1089 produceda C flare (C1.4, peak time 1345UT) on July 20th, whichrepresents the strongest X-ray event of …

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SIDC Weekly Bulletin

:Issued: 2010 Jul 21 1038 UTC:Product: documentation at http://www.sidc.be/products/bul#——————————————————————–## SIDC Weekly bulletin on Solar and Geomagnetic activity            ##——————————————————————–#WEEK 498 from 2010 Jul 12  SOLAR ACTIVITY————- Two active regions were present during the period: NOAA AR 11086 in the Southern hemisphere and NOAA AR 11087 in the Northern  hemisphere. The latter was the biggest of the …

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SIDC Weekly Bulletin

:Issued: 2010 Jul 13 1128 UTC:Product: documentation at http://www.sidc.be/products/bul#——————————————————————–## SIDC Weekly bulletin on Solar and Geomagnetic activity            ##——————————————————————–#WEEK 497 from 2010 Jul 05  SOLAR ACTIVITY————– Several sunspot groups were visible on the Sun during the week. Catania sunspot groups 93 (NOAA AR 1084) and 95 (1086) were observed on July 5-8, and Catania sunspot group …

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SIDC Weekly Bulletin

:Issued: 2010 Jul 06 1057 UTC:Product: documentation at http://www.sidc.be/products/bul#——————————————————————–## SIDC Weekly bulletin on Solar and Geomagnetic activity             ##——————————————————————–#WEEK 496 from 2010 Jun 28  SOLAR ACTIVITY————– Solar activity was quiet throughout the week. Two sunspot groups were reported. Catania sunspot group 93 (NOAA AR 1084) was visible during the whole week, and Catania sunspot group 94 (NOAA AR 1085) was visible …

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SIDC Weekly Bulletin

:Issued: 2010 Jun 29 1340 UTC:Product: documentation at http://www.sidc.be/products/bul#——————————————————————–## SIDC Weekly bulletin on Solar and Geomagnetic activity             ##——————————————————————–#WEEK 495 from 2010 Jun 21  SOLAR ACTIVITY————- The activity was very low during the whole week. The most active region was NOAA AR 11082 but it didn’t produce any C-class flares. GEOMAGNETIC ACTIVITY——————- Geomagnetic activity was quiet until June 26 when the …

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SIDC Weekly Bulletin

:Issued: 2010 Jun 09 1830 UTC:Product: documentation at http://www.sidc.be/products/bul#——————————————————————–## SIDC Weekly bulletin on Solar and Geomagnetic activity             ##——————————————————————–#WEEK 492 from 2010 May 31  SOLAR ACTIVITY————-Solar activity gradually increased towards the middle of the period with the background solar X-ray levels peaking on June 3 and  sunspot number peaking on June 5. Nevertheless only B-flares were observed, …

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Space Weather News for May 3, 2010 – Geomagnetic storm

A high-speed solar wind stream hit Earth’s magnetic field last night (May 2-3), sparking a geomagnetic storm that lasted more than 15 hours. In Scandinavia, the Northern Lights were so bright they could be seen through the glow of the midnight sun. Red auroras spilled across the Canadian border and were spotted in several US states. Details and images are …

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