Coronal hole history

STAR
Coronal hole tagLocationEarth facing position date intervalGeomagnetic disturbance
date intervalKp dominant / Kp max / ap maxMax solar wind speed (km/s)CommentCH275southern2007.06.25-2007.06.272007.06.28-2007.06.29-/-/-recurrent, ref. CH271CH274trans equatorial2007.06.22none-/-/-CH273southern2007.06.17-2007.06.192007.06.21-2007.06.233/4/32596recurrent, ref. CH270CH272southern2007.06.10-2007.06.112007.06.14-2007.06.163/4/32634recurrent, ref. CH269CH271southern2007.05.30-2007.05.312007.06.02-2007.06.042/4/27531recurrent, ref. CH268CH270southern2007.05.21-2007.05.232007.05.24-2007.05.273/4/27725recurrent, ref. CH267CH269southern2007.05.15-2007.05.162007.05.18-2007.05.203/4/27660recurrent, ref. CH266CH268southern2007.05.03-2007.05.042007.05.07-2007.05.093/4/32634recurrent, ref. CH264. Minor CME arrived on May 7CH267southern2007.04.24-2007.04.262007.04.27-2007.04.304/5/48716recurrent, ref. CH263CH266trans equatorial2007.04.16-2007.04.192007.04.22-2007.04.232/5/56569recurrent, ref. CH262CH265trans equatorial2007.04.13-2007.04.142007.04.17-2007.04.182/4/22382recurrent, ref. CH261CH264southern2007.04.06-2007.04.072007.04.08-2007.04.122/4/22536recurrent, ref. CH260CH263southern2007.03.28-2007.03.302007.03.31-2007.04.034/5/56635recurrent, ref. CH259CH262trans equatorial2007.03.20-2007.03.232007.03.25-2007.03.282/4/32568recurrent, ref. CH258CH261southern2007.03.18-2007.03.192007.03.23-2007.03.243/5/39368CH260southern2007.03.09-2007.03.112007.03.11-2007.03.173/5/48710recurrent, ref CH257CH259southern2007.03.01-2007.03.032007.03.05-2007.03.073/5/48638recurrentCH258southern2007.02.22-2007.02.252007.02.26-2007.03.013/5/39699recurrent, ref CH256CH257trans equatorial2007.02.08-2007.02.132007.02.12-2007.02.163/5/48844recurrent, ref CH255CH256southern2007.01.26-2007.01.282007.01.29-2007.02.013/7/111789recurrent, ref CH254CH255southern2007.01.12-2007.01.162007.01.15-2007.01.203/6/94756recurrent, ref CH252CH254southern2006.12.30-2006.12.312007.01.01-2007.01.053/5/39794recurrent, ref. CH250CH253southern2006.12.24none-/-/-CH252southern2006.12.16-2006.12.202006.12.18-2006.12.253/5/39845recurrent, ref CH248CH251northern2006.12.07-2006.12.092006.12.10-2006.12.133/5/48868CH250southern2006.12.03-2006.12.042006.12.05-2006.12.073/5/56638recurrent, ref CH247CH249northern2006.11.262006.11.304/5/56410recurrent, ref CH246CH248southern2006.11.19-2006.11.232006.11.22-2006.11.263/5/48659recurrent, ref CH245CH247southern2006.11.06-2006.11.082006.11.09-2006.11.114/6/80657recurrent, ref CH243CH246northern2006.10.30-2006.10.312006.11.03-2006.11.042/3/18435recurrent, ref CH242CH245trans equatorial2006.10.24-2006.10.262006.10.27-2006.10.303/4/32572partly recurrent. CH241 merged with other CHsCH244trans equatorial2006.10.16-2006.10.182006.10.20-2006.10.223/5/39635recurrent, ref CH240CH243trans equatorial2006.10.10-2006.10.122006.10.12-2006.10.143/5/48607recurrent, ref CH239CH242northern2006.10.042006.10.07-2006.10.083/4/22541CH241trans equatorial2006.09.25-2006.09.272006.09.30-2006.10.013/5/56564recurrent, ref CH238CH240trans equatorial2006.09.20-2006.09.212006.09.23-2006.09.263/5/48699recurrent, ref CH237CH239trans equatorial2006.09.13-2006.09.142006.09.16-2006.09.193/5/39632recurrent, ref CH236CH238trans equatorial2006.08.29-2006.08.312006.09.01-2006.09.043/6/80687recurrent, ref CH235CH237trans equatorial2006.08.24-2006.08.262006.08.27-2006.08.303/5/39693recurrent, ref CH234CH236southern2006.08.182006.08.21-2006.08.233/4/27522CH235trans equatorial2006.08.02-2006.08.042006.08.07-2006.08.093/6/67647recurrent, ref CH231CH234trans equatorial2006.07.28-2006.07.302006.07.31-2006.08.033/4/22716recurrent, ref CH230CH233northern2006.07.23-2006.07.242006.07.27-2006.07.294/6/94750CH232trans equatorial2006.07.21-2006.07.222006.07.24-2006.07.262/3/15365recurrent, ref CH229CH231southern2006.07.07-2006.07.092006.07.11-2006.07.133/4/22582recurrent, ref CH228CH230trans equatorial2006.07.01-2006.07.032006.07.04-2006.07.073/5/39739recurrent, ref CH227CH229trans equatorial2006.06.24-2006.06.262006.06.27-2006.06.303/4/32641recurrent, ref CH226CH228southern2006.06.12-2006.06.132006.06.14-2006.06.183/5/56696recurrent, ref CH225CH227northern2006.06.04-2006.06.062006.06.06-2006.06.104/5/48733recurrent, ref CH223CH226trans equatorial2006.05.29-2006.05.302006.06.01-2006.06.032/4/27578recurrent, ref CH222CH225southern2006.05.16-2006.05.172006.05.18-2006.05.212/5/48582recurrent, ref CH221CH224trans equatorial2006.05.13-2006.05.152006.05.17-2006.05.182/3/12350CH223northern2006.05.08-2006.05.102006.05.10-2006.05.143/4/27692recurrent, ref CH220CH222trans equatorial2006.05.02-2006.05.042006.05.05-2006.05.083/5/56662recurrent, ref CH219CH221trans equatorial2006.04.17-2006.04.202006.04.21-2006.04.243/4/32591recurrent, ref CH217CH220trans equatorial2006.04.11-2006.04.142006.04.13-2006.04.184/7/111704recurrent, ref CH216CH219trans equatorial2006.04.06-2006.04.082006.04.09-2006.04.104/6/67736CH218northern2006.04.02-2006.04.032006.04.05-2006.04.063/4/32441recurrent, ref CH215CH217trans equatorial2006.03.21-2006.03.222006.03.24-2006.03.272/3/15402CH216trans equatorial2006.03.16-2006.03.172006.03.18-2006.03.223/6/94734recurrent, ref CH212CH215trans equatorial2006.03.05-2006.03.072006.03.09-2006.03.123/4/27586recurrent, ref CH210CH214southern2006.02.24-2006.02.252006.02.28-2006.03.022/3/15462recurrent, ref CH207CH213southern2006.02.20none-/-/-poorly definedCH212northern2006.02.17-2006.02.182006.02.19-2006.02.233/6/67760recurrent, ref CH206CH211southern2006.02.122006.02.15-2006.02.162/4/32598CH210northern2006.02.082006.02.11-2006.02.122/3/12558recurrent, ref CH205CH209northern2006.02.04none-/-/-recurrent, ref CH204CH208northern2006.01.30weak effects on
2006.02.03-2006.02.04-/2/4414poorly definedCH207southern2006.01.28-2006.01.29weak effects on
2006.02.01-2006.02.02-/2/4380smallCH206trans equatorial2006.01.21-2006.01.232006.01.23-2006.01.273/6/67755recurrent, ref. CH202CH205trans equatorial2006.01.12-2006.01.132006.01.15-2006.01.173/4/22515recurrent, ref. CH201CH204trans equatorial2006.01.08none-/-/-poorly definedCH203trans equatorial2005.12.31-2006.01.01none-/-/-poorly definedCH202trans equatorial2005.12.25-2005.12.272005.12.27-2005.12.303/5/39784recurrent, ref. CH200CH201southern2005.12.16-2005.12.172005.12.19-2005.12.203/4/22recurrent, ref. CH199CH200trans equatorial2005.11.28-2005.11.302005.11.29-2005.12.033/4/32768recurrent, ref. CH196
stream arrived late on Nov.29CH199southern2005.11.20+2005.11.232005.11.23-2005.11.252/4/22536CH198trans equatorial2005.11.162005.11.19-2005.11.202/4/27427CH197southern2005.11.12-2005.11.13none-/-/-probably too far to the southCH196northern2005.11.07-2005.11.082005.11.11-2005.11.143/4/27445recurrent, ref. CH192CH195trans equatorial2005.11.01-2005.11.032005.11.02-2005.11.073/5/56756recurrent, ref. CH191CH194trans equatorial2005.10.22-2005.10.232005.10.24-2005.10.273/4/32532recurrent, ref. CH189CH193southern2005.10.20-2005.10.21none-/-/-recurrent, ref. CH188CH192northern2005.10.12-2005.10.132005.10.16-2005.10.172/4/32418newCH191trans equatorial2005.10.05-2005.10.072005.10.07-2005.10.103/4/32716recurrent, ref. CH187CH190northern2005.10.02none-/-/-recurrent, ref. CH186CH189trans equatorial2005.09.272005.09.30-2005.10.023/4/32550recurrent, ref. CH185CH188southern2005.09.24none-/-/-recurrent, ref. CH184, probably too far to the southCH187trans equatorial2005.09.09-2005.09.11-/-/-recurrent, ref. CH181
no disturbance observed due to extreme CME activityCH186northern2005.09.05-2005.09.06-/-/-recurrent, ref. CH180, still poorly defined
no disturbance observed due to CMECH185northern2005.09.01-2005.09.022005.09.03-2005.09.053/5/56893recurrent, ref. CH179CH184southern2005.08.27-2005.08.282005.08.30-2005.09.024/6/94579recurrent, ref. CH178BCH183southern2005.08.21-2005.08.222005.08.24.2005.08.263/5/39>700recurrent, ref. CH177, disturbance interrupted by much stronger CME disturbance 06 UTC Aug.24 – early Aug.25CH182southern2005.08.17-2005.08.182005.08.21-2005.08.233/4/22588recurrent, ref. CH176CH181trans equatorial2005.08.13-2005.08.152005.08.15-2005.08.183/4/27799recurrent, ref. CH175CH180northern2005.08.08-2005.08.092005.08.133/4/32588poorly definedCH179northern2005.08.05-2005.08.06-/-/-small, elongated on E-W axis, no significant disturbance observedCH178trans equatorial2005.08.042005.08.06-2005.08.073/5/39907new, poorly definedCH178Bsouthern2005.08.022005.08.05-2005.08.065/5/48569recurrent, ref. CH174CH177trans equatorial2005.07.25-2005.07.262005.07.27-2005.07.303/5/56661recurrent, ref. CH173CH176southern / trans equatorial2005.07.22none-/-/-recurrent, ref. CH172CH175trans equatorial2005.07.17-2005.07.192005.07.19-2005.07.223/5/56674recurrent, ref. CH171CH174southern2005.07.05-2005.07.062005.07.093/4/22367inconclusive dataCH173trans equatorial2005.06.28-2005.06.302005.07.01-2005.07.033/4/32745recurrent, ref. CH169CH172southern2005.06.24-2005.06.25none-/-/-CH171northern2005.06.20-2005.06.222005.06.23-2005.06.254/7/154566recurrent, ref. CH167CH170northern2005.06.11-2005.06.13-/-/-uncertain if any disturbance due to several CMEsCH169northern2005.06.01-2005.06.032005.06.04-2005.06.063/5/48689recurrent, ref. CH163CH168southern2005.05.292005.06.02-2005.06.032/3/15449CH167northern2005.05.24-2005.05.262005.05.28-2005.05.293/4/22451recurrent, ref. CH162, smaller this rotationCH166northern2005.05.172005.05.20-/-/-recurrent, ref. CH159, disturbance mixed with CMECH165southern2005.05.13-2005.05.14-/-/-not observable due to CMECH164northern2005.05.10-2005.05.12-/-/-559uncertain due to other disturbancesCH163northern2005.05.06-2005.05.072005.05.07-2005.05.104/6/94700+recurrent, ref. CH157
strong CME on May 8CH162northern2005.04.27-2005.04.292005.04.29-2005.05.023/6/67705recurrent, ref. CH154CH161trans equatorial2005.04.23none-/-/-CH160southern2005.04.202005.04.23-2005.04.252/4/27584CH159northern2005.04.19-2005.04.202005.04.222/3/15466recurrent, ref. CH153CH158southern2005.04.15-2005.04.172005.04.18-2005.04.212/5/48551CH157northern2005.04.09-2005.04.102005.04.11-2005.04.154/6/67652recurrent, ref. CH152CH156trans equatorial2005.04.05none-/-/-recurrent, ref. CH151CH155southern2005.04.03none-/-/-probably too far southCH154northern2005.03.31-2005.04.022005.04.04-2005.04.064/7/132700recurrent, ref. CH149CH153trans equatorial2005.03.21-2005.03.232005.03.24-2005.03.273/5/39704recurrent, ref. CH148CH152northern2005.03.13-2005.03.142005.03.16-2005.03.193/5/39539recurrent, ref. CH145, smaller this rotationCH151trans equatorial2005.03.102005.03.13-2005.03.143/5/39446recurrent, ref. CH146CH150trans equatorial2005.03.022005.03.052/3/18422recurrent, ref. CH143CH149northern2005.03.03-2005.03.072005.03.06-2005.03.104/6/94845recurrent, ref. CH144CH148trans equatorial2005.02.23-2005.02.242005.02.26-2005.03.013/4/22712recurrent, ref. CH142CH147northern2005.02.20-2005.02.222005.02.24-2005.02.252/3/18581western part not yet fully developedCH146southern2005.02.112005.02.14-2005.02.152/2/7441disturbance effects significantly stronger for radio propagationCH145northern2005.02.13-2005.02.152005.02.16-2005.02.183/5/48625recurrent, ref. CH140CH144northern2005.02.04-2005.02.062005.02.07-2005.02.104/6/94881recurrent, ref. CH139CH143southern2005.02.032005.02.062/4/22446recurrent, ref. CH138CH142northern / trans equatorial2005.01.27-2005.01.292005.01.29-2005.01.313/4/39775recurrent, ref. CH136CH141southern2005.01.25-2005.01.262005.01.28-3005.01.292/4/27433CH140northern2005.01.18-2005.01.202005.01.22-2005.01.243/4/27765recurrent, ref. CH135
onset not observable due to extreme solar stormCH139northern2005.01.09-2005.01.112005.01.11-2005.01.153/6/67839recurrent, ref. CH133CH138southern2005.01.06-2005.01.072005.01.10-2005.01.112/4/27545recurrent, ref. CH132CH137northern2004.12.292005.01.013/4/27525CH136trans equatorial2004.12.31-2005.01.022005.01.02-2005.01.054/5/56975*recurrent, ref. CH131
*) possibly influenced by CMECH135northern2004.12.23-2004.12.242004.12.25-2004.12.272/4/27574recurrent, ref. CH129CH134southern2004.12.182004.12.21-2004.12.223/5/48561recurrent, ref. CH128CH133northern2004.12.13-2004.12.142004.12.16-2004.12.183/4/27669recurrent, ref. CH127CH132southern2004.12.09-2004.12.102004.12.142/3/18433CH131trans equatorial2004.12.04-2004.12.052004.12.07-2004.12.093/5/39553recurrent, ref. CH125CH130northern2004.11.30-2004.12.01none, not a coronal hole?recurrent, ref. CH123CH129trans equatorial2004.11.26-2004.11.282004.11.29-2004.12.023/5/48729recurrent, ref. CH122, much larger this rotationCH128southern2004.11.21-2004.11.232004.11.25-2004.11.263/5/39556recurrent, ref. CH121CH127northern2004.11.15-2004.11.182004.11.19-2004.11.223/5/48627recurrent, ref. CH120CH126southern2004.11.10-2004.11.112004.11.142/4/27recurrent, ref. CH119CH125trans equatorial2004.11.08-/-/-no observations due to solar stormsCH124southern2004.11.04-2004.11.05-/-/-recurrent, ref. CH118
no observations due to extreme solar stormCH123northern2004.11.03-/-/-no observations due to extreme solar stormCH122northern / trans equatorial2004.10.30-2004.10.312004.11.03-2004.11.043/4/22448recurrent, ref. CH117CH121southern2004.10.25-2004.10.262004.10.29-2004.10.313/4/27468newCH120northern2004.10.19-2004.10.222004.10.24-2004.10.253/4/27533recurrent, ref. CH115CH119southern2004.10.14-2004.10.152004.10.18-2004.10.202/2/7383recurrent, ref. CH114CH118southern2004.10.08-2004.10.092004.10.11-2004.10.144/5/61545recurrent, ref. CH113CH117trans equatorial2004.10.03-2004.10.042004.10.08-2004.10.092/3/11371newCH116northern2004.09.29-2004.09.302004.10.02-2004.10.043/4/32387recurrent, ref. CH112CH115northern2004.09.24-2004.09.252004.09.27-2004.09.292/3/15417recurrent, ref. CH111CH114southern / trans equatorial2004.09.17-2004.09.182004.09.20-2004.09.223/4/33450recurrent, ref. CH110CH113southern2004.09.11-2004.09.122004.09.153/3/16~600no observations due to CME effects on Sept. 13 and 14CH112northern2004.09.03-2004.09.052004.09.05-2004.09.083/4/31495recurrent, ref. CH109CH111northern2004.08.27-2004.08.292004.08.30-2004.09.014/6/65561disturbance began late on Aug.30CH110southern2004.08.212004.08.253/3/11recurrent, ref. CH106
very weak disturbanceCH109northern2004.08.08-2004.08.092004.08.10-2004.08.123/4/23706recurrentCH108southern2004.08.072004.08.09-2004.08.103/4/26580CH107northern2004.08.032004.08.06-2004.08.083/5/51535recurrent, ref. CH104CH106southern2004.07.25-2004.07.262004.07.283/3/18extreme geomagnetic storm due to CME on July 27CH105trans equatorial2004.07.092004.07.12-2004.07.133/4/-recurrent, ref. CH102CH104northern2004.07.07-2004.07.082004.07.11-2004.07.123/4/-CH103trans equatorial2004.06.26-2004.06.272004.06.28-2004.07.023/4/30600recurrent, ref. CH99CH102trans equatorial2004.06.14-2004.06.152004.06.17-2004.06.182/3/14567recurrent, ref. CH97CH101southern2004.06.122004.06.14-2004.06.163/5/36586recurrent, ref. CH96CH100northern2004.06.042004.06.06-2004.06.073/4/23526recurrent, ref. CH95CH99southern / trans equatorial2004.05.30-2004.05.312004.06.02-2004.06.053/3/17546recurrent, ref. CH94CH98northern2004.05.25-2004.05.292004.05.28-2004.06.023/4/22586recurrent, ref. CH93CH97northern2004.05.19-2004.05.202004.05.22-2004.05.253/4/23552recurrent, ref. CH92CH96southern2004.05.172004.05.20-2004.05.213/5/43557recurrent, ref. CH91CH95northern2004.05.072004.05.10-2004.05.113/3/15435smallCH94trans equatorial2004.05.01-2004.05.042004.05.04-2004.05.083/4/28670recurrent, eastern part of CH88CH93northern(2004.04.29-2004.04.30)not geoeffective, too far
to the north?-/-/-recurrent, western part of CH88CH92northern2004.04.23-2004.04.252004.04.282/4/21615recurrent, ref CH87CH91southern2004.04.19-2004.04.202004.04.233/5/43481CH90northern2004.04.13-2004.04.142004.04.16-2004.04.173/3/17466CH89southern2004.04.122004.04.15-2004.04.163/4/30421CH88northern / trans equatorial2004.04.01-2004.04.072004.04.05-2004.04.094/5/41633recurrent, ref. CH84CH87northern2004.03.25-2004.03.272004.03.27-2004.03.313/5/40985recurrent, ref. CH83CH86northern2004.03.16-2004.03.172004.03.20-2003.04.213/4/26461recurrent, has extended southwards since the previous rotationCH85northern2004.03.202004.03.253/3/17459recurrent, ref. CH82CH84trans equatorial2004.03.07-2004.03.112004.03.09-2004.03.154/6/95908recurrent, ref. CH80CH83northern / trans equatorial2004.02.26-2004.02.292004.02.28-2004.03.033/5/49960recurrent, ref. CH79 and CH78CH82northern2004.02.22-2004.02.232004.02.273/4/21464CH81southern(2004.02.17)not geoeffective-/-/-small, was further south and not geoeffective during previous rotationCH80trans equatorial2004.02.09-2004.02.132004.02.11-2004.02.164/6/66967recurrent, ref. CH76CH79southern2004.01.30-2004.02.01not possible to discern from CH78 stream-/-/-recurrent, ref. CH74 – southern partCH78northern2004.01.28-2004.02.022004.01.30-2004.02.053/5/46852recurrent, ref. CH74 – northern partCH77trans equatorial2004.01.24-2004.01.252004.01.283/5/41599recurrent, ref. CH73CH76trans equatorial2004.01.13-2004.01.172004.01.15-2004.01.203/5/36738recurrent, ref. CH72CH75northern2004.01.092004.01.114/4/30732CH74trans equatorial2004.01.01-2004.01.052004.01.03-2004.01.064/5/58700recurrent, ref CH71. CME impact late on Jan.6 cut off high speed streamCH73trans equatorial2003.12.28-2003.12.292003.12.31-2004.01.014/5/48597recurrent, ref CH70CH72northern / trans equatorial2003.12.17-2003.12.202003.12.20-2003.12.224/4/34682recurrent, ref CH68 and CH69CH71southern / trans equatorial2003.12.05-2003.12.112003.12.08-2003.12.154/6/69879recurrent, ref CH66CH70trans equatorial2003.12.01-2003.12.022003.12.04-2003.12.064/6/84526recurrent, ref CH65CH69southern2003.11.222003.11.24-2003.11.263/4/21706newCH68northern2003.11.20-2003.11.212003.11.22-2003.11.244/5/52601recurrent, ref. CH64CH67northern(2003.11.15-2003.11.16)not geoeffective,
too far to the
north?CH66southern / trans equatorial2003.11.09-2003.11.142003.11.10-2003.11.185/6/95871recurrent, ref. CH63CH65northern / trans equatorial2003.11.05-2003.11.062003.11.08-2003.11.103/6/68602new, poorly definedCH64northern2003.10.25-2003.10.26recurrent, ref. CH60, CMEs dominated the solar wind at possible time of stream arrivalCH63southern / trans equatorial2003.10.12-2003.10.182003.10.14-2003.10.224/7/106744recurrent, ref. CH57, much smaller this rotation, merged
with CH59CH62trans equatorial2003.10.102003.10.13-2003.10.143/4/25537recurrent, ref. CH58CH61northern / trans equatorial2003.10.03-2003.10.042003.10.05-2003.10.093/4/24734recurrent, ref. CH55CH60northernrecurrent, ref. CH54
not geoeffective, too far to the north?CH59southern2003.09.18-2003.09.212003.09.21-2003.09.264/5/54787CH58southern2003.09.13early 2003.09.17?new, closed
on 2003.09.14CH57trans equatorial2003.09.14-2003.09.172003.09.17-2003.09.215/7/129965recurrent, ref. CH52CH56northern2003.09.13see CH58closed
on 2003.09.14CH55trans equatorial2003.09.06-2003.09.082003.09.08-2003.09.123/4/38808recurrent, ref. CH51CH54northern / trans equatorial2003.08.30-2003.09.022003.09.01-2003.09.063/4/32778recurrent, ref. CH50CH53southern2003.08.25-2003.08.262003.08.28-2003.08.293/4/28677recurrent, ref. CH49, retreatingCH52northern / trans equatorial2003.08.17-2003.08.212003.08.20-2003.08.255/7/122944partly recurrent,
eastern part was
CH49 during the
previous rotationCH51northern / trans equatorial2003.08.08-2003.08.122003.08.11-2003.08.153/5/42769recurrent, ref. CH48, appears
to be merging
with CH50CH50northern2003.08.04-2003.08.052003.08.07-2003.08.094/5/-865recurrent, ref. CH47CH49southern2003.07.24-2003.07.292003.07.26-2003.08.014/5/59980recurrent, ref. CH46CH48northern / trans equatorial2003.07.12-2003.07.162003.07.15-2003.07.194/6/101723recurrent, ref. CH44CH47northern / trans equatorial2003.07.08-2003.07.092003.07.11-2003.07.135/7/128777recurrent, ref. CH43CH46southern / trans equatorial2003.06.24-2003.07.022003.06.26-2003.07.064/6/75815recurrent, ref. CH42CH45southern2003.06.18-2003.06.222003.06.21-2003.06.264/5/57583recurrent, ref. CH41CH44northern / trans equatorial2003.06.16-2003.06.172003.06.18-2003.06.194/4/34665recurrent, ref. CH40CH43northern / trans equatorial2003.06.112003.06.13-2003.06.154/4/27530recurrent, ref. CH39CH42southern / trans equatorial2003.05.29-2003.06.062003.06.01-2003.06.114/6/82881recurrent, ref. CH38CH41southern2003.05.24-2003.05.252003.05.27-2003.05.294/6/65716recurrent, ref. CH37CH40trans equatorial2003.05.18-2003.05.212003.05.21-2003.05.254/5/40581recurrent, ref. CH36CH39trans equatorial2003.05.15-2003.05.162003.05.18-2003.05.203/4/20454recurrent, ref. CH33 and CH34CH38southern2003.05.02-2003.05.102003.05.04-2003.05.09
2003.05.11-2003.05.164/6/73787recurrent, ref. CH31 and CH32CH37southern2003.04.26-2003.04.272003.04.29-2003.05.024/6/79715recurrent, ref. CH29.CH36trans equatorial2003.04.23-2003.04.242003.04.27-2003.04.283/5/45552recurrent, ref. CH28 which has migrated southwardsCH35southern2003.04.21-2003.04.222003.04.24-2003.04.254/5/49595recurrent, ref. CH27, much smaller this rotationCH34northern2003.04.18-2003.04.192003.04.20-2003.04.224/5/39627recurrent, ref. CH26 (northern part)CH33southern2003.04.18uncertain due to overlapping CH34 streamrecurrent, ref. CH26 (southern part)CH32southern / trans equatorial2003.04.11-2003.04.132003.04.14-2003.04.194/6/80774recurrent, ref. CH25 (eastern part)CH31southern / trans equatorial2003.04.06-2003.04.092003.04.09-2003.04.123/5/50748recurrent, ref. CH25 (western part)CH30southern2003.04.05uncertainnew, effects from a CME may have mixed with this disturbance on April 9CH29southern2003.03.29-2003.03.312003.04.03-2003.04.054/5/42509recurrent, ref. CH24CH28northern2003.03.282003.04.01-2003.04.023/4/29561recurrent, ref. CH23CH27southern2003.03.25-2003.03.272003.03.29-2003.04.014/6/69663recurrent, ref. CH22.CH26northern / trans equatorial2003.03.22-2003.03.232003.03.26-2003.03.284/5/48549recurrent, ref. CH21. Larger this rotationCH25southern / trans equatorial2003.03.11-2003.03.192003.03.13-2003.03.244/6/72834recurrent, ref. CH20CH24southern2003.03.02-2003.03.032003.03.05-2003.03.074/5/42569newCH23northern2003.03.012003.03.03-2003.03.054/5/41572recurrent, ref. CH18. Smaller this rotation.CH22southern(2003.02.26-
2003.02.27)new, too far south to be geoeffectiveCH21trans equatorial2003.02.23-2003.02.242003.02.26-2003.03.014/4/35662recurrent, ref. CH16CH20southern / trans equatorial2003.02.13-2003.02.182003.02.14-2003.02.233/4/35801recurrent, ref. CH15CH19southern2003.02.042003.02.06-2003.02.103/4/26559newCH18northern / trans equatorial2003.02.01-2003.02.032003.02.03-2003.02.054/5/54684recurrent, ref. CH13CH17northern2003.01.29-2003.01.30any geomagnetic effects would have been hidden by CMECH16trans equatorial2003.01.27-2003.01.282003.01.29-2003.01.314/5/39620recurrent, ref. CH12.CH15southern / trans equatorial2003.01.16-2003.01.232003.01.18-2003.01.263/5/54810recurrent, ref. CH11. Has become huge. Easternmost part is exceptionally well definedCH14northern2003.01.102003.01.14-2003.01.153/3/15425new and smallCH13northern / trans equatorial2003.01.062003.01.09-2003.01.113/3/19492recurrent, ref. CH9. Merged with northern polar coronal hole German Photobook CH12trans equatorial2002.12.31-2003.01.012003.01.02-2003.01.043/4/34654recurrent, ref. CH8.CH11trans equatorial2002.12.24-2002.12.252002.12.26-2002.12.304/6/73778recurrent, ref. CH6.CH10southern / trans equatorial2002.12.15-2002.12.162002.12.19-2002.12.203/5/36560recurrent, ref. CH4. Has extended further into the northern hemisphere.CH9southern2002.12.10-2002.12.112002.12.13-2002.12.162/3/18582recurrent, ref. CH3. Has lost most of its area.CH8trans equatorial2002.12.042002.12.06-2002.12.083/4/25707new and poorly definedCH7northern2002.12.04-/-/-recurrent, ref. CH2. Size has decreased.CH6trans equatorial2002.11.27-2002.11.282002.11.29-2002.12.033/4/25602recurrent, ref. CH1CH5southern2002.11.24noneany geomagnetic effects would have been hidden by CMECH4trans equatorial2002.11.18-2002.11.192002.11.20-2002.11.254/7/144715possibly an extension of southern polar coronal holeCH3trans equatorial2002.11.12-2002.11.132002.11.15-2002.11.163/3/14510CH2northern2002.11.072002.11.10-2002.11.112/4/20near 600sandwiched between two CMEsCH1trans equatorial2002.10.31-2002.11.022002.11.02-2002.11.074/4/35618

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