Last Updated:
2014 October 04 14:05 UTC

Source file:
solar.txt


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Solar notes

Edited by Peter Meadows.

Graphs of solar activity

The graphs below show the development of white-light solar activity and hydrogen alpha prominence activity as seen by TA solar observers since 1996 and 2007 (click on link below graphs for larger graph).

Active Areas

Sunspot number

Sunspot group quality

Prominences

Images

2014
2014 August 02 Hα disk (Leonard E. Mercer ).
2014 August 02 Hα prominence (Leonard E. Mercer ).
2014 July 08 White light sunspot groups(Dave Storey).
2014 July 05 White light disk (Denis Buczynski).
2014 July 05 Hα disk (Leonard E. Mercer ).
2014 June 11 Western solar disk showing AR 2079 (upper right), AR 2082 (upper left), AR 2080 (lower right middle) and AR 2085 (bottom)(Dave Storey).
2014 June 10 White light disk (Denis Buczynski).
2014 May 10 Hα disk (Leonard E. Mercer ).
2014 May 08 VLF 23.4 kHz flare detections (Richard Meadows).
2014 May 07 VLF 23.4 kHz flare detections (Richard Meadows).
2014 April 29 Hα disk (Leonard E. Mercer ).
2014 April 19 Hα disk (Leonard E. Mercer ).
2014 April 18 VLF 23.4 kHz flare detections (Richard Meadows).
2014 April 18 White light disk (Denis Buczynski).
2014 April 14 White light disk (Denis Buczynski).
2014 April 04 VLF 23.4 kHz flare detections (Richard Meadows).
2014 April 02 VLF 23.4 kHz flare detections (Richard Meadows).
2014 March 29 VLF 23.4 kHz flare detections (Richard Meadows).
2014 March 12 VLF 23.4 kHz flare detections (Richard Meadows).
2014 March 12 White light disk (Denis Buczynski).
2014 March 09 VLF 23.4 kHz flare detections (Richard Meadows).
2014 February 24 White light disk (Denis Buczynski).
2014 February 22 White light disk (Jan Qvam).
2014 February 19 White light disk (Denis Buczynski).
2014 February 16 White light disk (Denis Buczynski).
2014 February 16 White light disk (Nick James).
2014 February 14 VLF 23.4 kHz flare detections (Richard Meadows).
2014 February 11 White light disk (Denis Buczynski).
2014 February 06 White light disk (Denis Buczynski).
2014 February 04 VLF 23.4 kHz flare detections (Richard Meadows).
2014 February 02 AR 1967 & AR 1968 in white light(Dave Storey).
2014 January 28 VLF 23.4 kHz flare detections (Richard Meadows).
2013
2013 October 25 VLF 23.4 kHz flare detections (Richard Meadows).
2013 September Butterfly Diagram for Solar Cycles 23 and 24 (Peter Meadows).
2013 August 11 AR 1817 in Hα (left) and a long filament (Peter Meadows).
2013 May 13 VLF 23.4 kHz flare detections (Richard Meadows).
2013 April 30 White light disk (Geoffrey Johnstone).
2013 April 25 White light disk (Geoffrey Johnstone).
2013 April 23 White light disk (Geoffrey Johnstone).
2013 April 06 AR 1711 in Hα with a noticeable penumbra (Peter Meadows).
2013 April 01 AR 1711 in Hα with a noticeable penumbra (Peter Meadows).
2012
2012 July 31 Sketch of an eruptive prominence with CME (Lyn Smith).
2012 July 26 Windsock prominence (Martin Mobberley).
2012 July 15 AR 1520/1521 in Hα (Martin Mobberley).
2012 July 12 AR 1520/1521 in Hα (Martin Mobberley).
2012 July 11 White light disk (Geoffrey Johnstone).
2012 July 07 White light disk (Geoffrey Johnstone).
2012 July 06 White light disk (Geoffrey Johnstone).
2012 July 05 White light disk (Geoffrey Johnstone).
2012 June 14 AR 1504 in white light (Geoffrey Johnstone).
2012 June 14 White light disk (Geoffrey Johnstone).
2012 May 13 AR 1475 in Hα (Martin Mobberley).
2012 May 13 AR 1476 in white light (Peter Meadows).
2012 May 12 AR 1476 in white light (Peter Meadows).
2012 May 05 AR 1476 in white light (Jan Qvam).
2012 April 29 White light disk (Tiril Stenlund).
2012 April 24 White light disk (Tiril Stenlund).
2012 March 11 AR 1429 & AR 1430 in Hα (Martin Mobberley).
2012 March 08 AR 1429 & AR 1430 in Hα (Martin Mobberley).
2011
2011 November 06 AR 1339 in white light (Dave Storey).
2011 September 27 AR 1302 in Hα (Martin Mobberley).
2011 September 26 AR 1302 in white light (Geoffrey Johnstone).
2011 August 03 AR 1260, AR 1261 and AR 1263 in Hα (Martin Mobberley).
2011 July 31 ARs 1260, 1261 and 1263 in white light (Geoffrey Johnstone).
2011 July 31 ARs 1260, 1261 and 1263 in Hα (Martin Mobberley).
2011 June 24 AR 1237, AR 1240 and Filament (Martin Mobberley).
2011 June 01 Southern Filament (Martin Mobberley).
2011 June 01 AR 1226 and 1227 in Hα (Martin Mobberley).
2011 May 30 AR 1226 and 1227 in Hα (Martin Mobberley).
2011 May 01 AR 1199 and Filament (Martin Mobberley).
2011 April 27 AR 1195 and 1196 in Hα (Martin Mobberley).
2011 April 20 AR 1193 in Hα (Martin Mobberley).
2011 April 19 AR 1193 in Hα (Martin Mobberley).
2011 March 23 Full disk in Hα (Dave Storey).
2011 March 18 Full disk in Hα (Dave Storey).
2011 February 14 AR 1158 (Geoffrey Johnstone) .
2010
2010 May 30 Loop Filament (Peter Meadows).
2010 May 30 AR 1072 in Hα (Peter Meadows).
2010 May 22 "Eiffel Tower" Prominence (Peter Meadows).
2010 March 28 AR 1059 in white light (Dave Storey).
2010 March 28 AR 1057 in white light (Dave Storey).
2010 March 14 AR 1054 in Hα (Peter Meadows).
2010 February 08 AR 1045 in white light (Dave Storey).
2010 February 06 AR 1045 in Hα (Peter Meadows).
2009
2009 December 19 AR 1035 (Geoffrey Johnstone).
2009 November 28 NW limb prominences (Peter Meadows).
2009 November 15 NE limb prominence (Peter Meadows).
2009 October 04 NW limb prominence (Peter Meadows).
2009 September 26 NE limb prominences (Peter Meadows).
2009 September 26 Plage and filament around AR 1026 (Peter Meadows).
2009 July 05 AR 1024 (Dave Storey).
2009 July 04 AR 1024 in Hα (Peter Meadows).
2009 June 11 Very dark Hα spot near disk centre (Eric Strach).
2009 June 02 Fine structured prominences (Eric Strach).
2009 June 01 Bright plage (Eric Strach).
2009 May 26 SW limb prominences (Peter Meadows).
2009 May 12 Plage & filaments around AR 1017 (Brian Bessley).
2009 April 12 'Wine Glass' prominences (Eric Strach).
2009 April 01 Northern filament (Eric Strach).
2009 March 22 Three prominences (Eric Strach).
2009 March 08 Horn shaped prominence (Eric Strach).
2009 January 06 Bright plage around AR 1011 (Eric Strach).
2009 January 20 NW limb prominences (Eric Strach).
2008
2008 December 06 NW limb prominences (Brian Bessley).
2008 December 06 SE limb prominences (Brian Bessley).
2008 December 06 NE limb prominences (Brian Bessley).
2008 December 06 NE limb prominences (Brian Bessley).
2008 November 12 AR 1007 in Hα (Eric Strach).
2008 November 03 AR 1007 in Hα (Eric Strach).
2008 October 31 Filaments at high latitude (Eric Strach).
2008 October 11 AR 1005 (Dave Storey).
2008 October 08 Prominences (Eric Strach).
2008 October 05 Plage around AR 1003 (Eric Strach).
2008 September 23 Plage around AR 1002 (Eric Strach).
2008 September 22 AR 1002 in white light, Hα and Cak (Brian Beesley).
2008 September 21 Filaments (Eric Strach).
2008 August 22 Prominences (Eric Strach).
2008 August 01 Partial solar eclipse and prominences (Eric Strach).
2008 August 01 Partial solar eclipse and prominences (Eric Strach).
2008 June 16 AR 999 (Dave Storey).
2008 June 14 Filaments and plage around AR 998 (Eric Strach).
2008 May 14 SE limb prominences (Eric Strach).
2008 May 02 SW limb prominences (Eric Strach).
2008 April 29 Filaments and plages (Eric Strach).
2008 April 24 Filaments and plages (Eric Strach).
2008 April 11 Prominences (Eric Strach).
2008 April 06 Prominences (Eric Strach).
2008 March 31 AR 987, AR 988 and AR 989 in Hα (Dave Storey).
2008 March 30 AR 987, AR 988 and AR 989 (Eric Strach).
2008 March 29 AR 987, AR 988 and AR 989 and filament (Eric Strach).
2008 March 24 AR 987 and AR 988 in Hα (Dave Storey).
2008 March 24 AR 987 and AR 988(Dave Storey).
2008 March 24 AR 987, AR 988 and filament (Eric Strach).
2008 February 19 Prominences (Maurice Gavin).
2008 February 11 Prominences (whole disk) (Eric Strach).
2008 February 02 Filaments and plage associated the AR 982 (Eric Strach).
2008 January 05 High latitude plage associated with AR 981 and two near equatorial plage regions (Eric Strach).
2007
2007 December 11 SF Flare associated with AR 978 (Eric Strach).
2007 December 10 AR 978 (Dave Storey).
2007 December 10 AR 979 on the solar limb (Dave Storey).
2007 December 07 SF Flare associated with AR 978 (Eric Strach).
2007 September 09 Prominences on NW limb (Eric Strach).
2007 August 15 AR 969 and filaments (Eric Strach).
2007 August 15 Prominences (Dave Storey).
2007 August 06 AR 966 and prominences (Dave Storey).
2007 July 19 Prominences (Dave Storey).
2007 July 19 Prominences on SW limb (Eric Strach).
2007 July 19 Prominences on SW limb (Eric Strach).
2007 June 05 Decline of the 2B flare to the east of AR 960 (Eric Strach).
2007 June 05 2B flare to the east of AR 960 (Eric Strach).
2007 June 04 AR 960 (Dave Storey).
2007 June 02 Bright plage near AR 960 (left) and within AR 958 (Eric Strach).
2007 May 05 Filaments and plage associated with AR 953 (Eric Strach).
2007 May 02 Filaments and plage associated with AR 953 (Eric Strach).
2007 May 02 AR 953 and AR 954 (Dave Storey).
2007 May 01 AR 953 (Geoffrey Johnstone).
2007 April 30 AR 953 and AR 954 (Dave Storey).
2007 April 30 Full disk in white light (Kevan Lawrence).
2007 April 30 Full disk in hydrogen alpha (disk) (Kevan Lawrence).
2007 April 30 Full disk in hydrogen alpha (prominences) (Kevan Lawrence).
2007 April 30 AR 953 (Geoffrey Johnstone).
2007 April 28 Filaments and plage associated with AR 953 (Eric Strach).
2007 April 28 AR 953 (Geoffrey Johnstone).
2007 April 26 AR 953 (Dave Storey).
2007 April 26 AR 953 near the eastern limb (Geoffrey Johnstone).
2007 April 25 Full disk in hydrogen alpha (disk) (Kevan Lawrence).
2007 April 25 Full disk in hydrogen alpha (prominences) (Kevan Lawrence).
2007 April 07 Full disk in hydrogen alpha (disk) (Kevan Lawrence).
2007 April 07 Full disk in hydrogen alpha (prominences) (Kevan Lawrence).
2007 April 02 Full disk in hydrogen alpha (disk) (Kevan Lawrence).
2007 April 02 Full disk in hydrogen alpha (prominences) (Kevan Lawrence).
2007 March 26 Full disk in white light (Kevan Lawrence).
2007 March 26 Full disk in hydrogen alpha (disk) (Kevan Lawrence).
2007 March 26 Full disk in hydrogen alpha (prominences) (Kevan Lawrence).
2007 February 20 AR 942 and AR 943 (Dave Storey).
2007 February 07 AR 940 and AR 941 (Dave Storey).
2007 February 06 AR 940 and AR 941 (Dave Storey).
2007 February 05 AR 940 and AR 941 (Dave Storey).
2007 February 02 Full disk in white light (Kevan Lawrence).
2007 February 02 Full disk in hydrogen alpha (disk) (Kevan Lawrence).
2007 February 02 Full disk in hydrogen alpha (prominences) (Kevan Lawrence).
2007 February 01 Full disk in white light (Kevan Lawrence).
2007 February 01 Full disk in hydrogen alpha (disk) (Kevan Lawrence).
2007 February 01 Full disk in hydrogen alpha (prominences) (Kevan Lawrence).
2007 January 30 Full disk in white light (Kevan Lawrence).
2007 January 30 Full disk in hydrogen alpha (disk) (Kevan Lawrence).
2007 January 30 Full disk in hydrogen alpha (prominences) (Kevan Lawrence).
2007 January 30 Prominence detail (Kevan Lawrence).
2007 January 22 AR 939 and faculae around AR 938 (Dave Storey).
2007 January 21 AR 939 (Dave Storey).
2007 January 14 AR 938 (Dave Storey).
2007 January 11 Full disk in white light (Kevan Lawrence).
2007 January 11 Full disk in hydrogen alpha (disk) (Kevan Lawrence).
2007 January 11 Full disk in hydrogen alpha (prominences) (Kevan Lawrence).
2007 January 11 Full disk in hydrogen alpha (prominences) (Kevan Lawrence).
2007 January 10 Full disk in white light (Kevan Lawrence).
2007 January 10 Full disk in hydrogen alpha (disk) (Kevan Lawrence).
2007 January 10 Full disk in hydrogen alpha (prominences) (Kevan Lawrence).
2007 January 06 AR 933, 934 & 935 (Dave Storey).
2007 January 06 Small sunspot at N10/339 (Dave Storey).
2007 January 04 Full disk in white light (Kevan Lawrence).
2007 January 04 Full disk in hydrogen alpha (disk) (Kevan Lawrence).
2007 January 04 Full disk in hydrogen alpha (prominences) (Kevan Lawrence).
2007 January 01 Full disk in white light (Kevan Lawrence).
2007 January 01 Full disk in hydrogen alpha (disk) (Kevan Lawrence).
2007 January 01 Full disk in hydrogen alpha (prominences) (Kevan Lawrence).
2006
2006 December 28 Full disk in white light (Kevan Lawrence).
2006 December 28 Full disk in hydrogen alpha (disk) (Kevan Lawrence).
2006 December 28 Full disk in hydrogen alpha (prominences) (Kevan Lawrence).
2006 December 18 Full disk in hydrogen alpha (disk) (Kevan Lawrence).
2006 December 18 Full disk in hydrogen alpha (prominences) (Kevan Lawrence).
2006 December 17 Full disk in white light (Kevan Lawrence).
2006 December 17 Full disk in hydrogen alpha (disk) (Kevan Lawrence).
2006 December 17 Full disk in hydrogen alpha (prominences) (Kevan Lawrence).
2006 December 16 Full disk in white light (Kevan Lawrence).
2006 December 16 Full disk in hydrogen alpha (disk) (Kevan Lawrence).
2006 December 16 Full disk in hydrogen alpha (prominences) (Kevan Lawrence).
2006 December 16 Prominence detail (Kevan Lawrence).
2006 December 11 AR 930 (Dave Storey).
2006 December 06 AR 930 (Dave Storey).
2006 November 27 Full disk in white light (Kevan Lawrence).
2006 November 27 Full disk in hydrogen alpha (disk) (Kevan Lawrence).
2006 November 27 Full disk in hydrogen alpha (prominences) (Kevan Lawrence).
2006 November 26 AR 926 (Dave Storey).
2006 November 21 Full disk in white light (Kevan Lawrence).
2006 November 21 Full disk in hydrogen alpha (disk) (Kevan Lawrence).
2006 November 21 Full disk in hydrogen alpha (prominences) (Kevan Lawrence).
2006 November 21 Prominence detail (Kevan Lawrence).
2006 November 18 AR 923 (Dave Storey).
2006 November 17 AR 923 (Dave Storey).
2006 November 06 AR 921 and AR 922 (Dave Storey).
2006 November 04 Full disk in white light (Kevan Lawrence).
2006 November 04 Full disk in hydrogen alpha (disk) (Kevan Lawrence).
2006 November 04 Full disk in hydrogen alpha (prominences) (Kevan Lawrence).
2006 November 03 AR 921 and AR 922 (Dave Storey).
2006 November 02 Full disk in white light (Kevan Lawrence).
2006 November 02 AR 921 (Kevan Lawrence).
2006 November 02 Full disk in hydrogen alpha (disk) (Kevan Lawrence).
2006 November 02 AR 921 and AR 922 (Dave Storey).
2006 November 01 Axx spot at S10/288 (AR 919?) (Dave Storey).
2006 November 01 AR 921 and AR 922 (Dave Storey).
2006 October 29 Full disk in white light (Kevan Lawrence).
2006 October 29 Full disk in hydrogen alpha (disk) (Kevan Lawrence).
2006 October 29 Full disk in hydrogen alpha (prominences) (Kevan Lawrence).
2006 October 24 Full disk in white light (Kevan Lawrence).
2006 October 24 Full disk in hydrogen alpha (disk) (Kevan Lawrence).
2006 October 24 Full disk in hydrogen alpha (prominences) (Kevan Lawrence).
2006 October 12 Full disk in white light (Kevan Lawrence).
2006 October 12 Full disk in hydrogen alpha (disk) (Kevan Lawrence).
2006 October 12 Full disk in hydrogen alpha (prominences) (Kevan Lawrence).
2006 October 07 Full disk in white light (Kevan Lawrence).
2006 October 07 Full disk in hydrogen alpha (disk) (Kevan Lawrence).
2006 October 07 Full disk in hydrogen alpha (prominences) (Kevan Lawrence).
2006 September 29 NW solar quadrant prominences (Maurice Gavin).
2006 September 17 A lofty prominence in the W limb (Eric Strach).
2006 September 09 Full disk in white light (Kevan Lawrence).
2006 September 09 AR 908 (Kevan Lawrence).
2006 September 09 Full disk in hydrogen alpha (disk) (Kevan Lawrence).
2006 September 09 Full disk in hydrogen alpha (prominences) (Kevan Lawrence).
2006 September 08 Full disk in white light (Kevan Lawrence).
2006 September 08 Full disk in hydrogen alpha (disk) (Kevan Lawrence).
2006 September 08 Full disk in hydrogen alpha (prominences) (Kevan Lawrence).
2006 September 08 Limb Filaments and AR 908 (Eric Strach).
2006 September 07 Two small arc prominences on the E limb (Eric Strach).
2006 August 28 Ha activity associated with AR 905 (Eric Strach).
2006 August 24 Filaments associated with AR 905 (Eric Strach).
2006 August 10 2B flare and AR 904 (near limb) (Eric Strach).
2006 July 24 Prominence on the W limb at S16 (Eric Strach).
2006 July 24 Prominence at N59 on the E limb (Eric Strach).
2006 July 06 2N flare near AR 898 (Eric Strach).
2006 July 03 AR 898 (Dave Storey).
2006 June 30 Filamentous surge to the north west of AR 892 (Eric Strach).
2006 June 15 Interactive prominences on the W limb (Eric Strach).
2006 June 07 Filamentous surge to the north of AR 892 (Eric Strach).
2006 June 06 Long oblique filament (Eric Strach).
2006 May 31 Complex low arc prominence (Eric Strach).
2006 May 30 Circumpolar filament (Eric Strach).
2006 May 23 Plage and filaments surrounding AR 885 (Eric Strach).
2006 May 11 NE limb promience (Eric Strach).
2006 May 01 2N flare in AR 875 (Eric Strach).
2006 April 28 Calcium K image of AR 875 and AR 876 (Maurice Gavin).
2006 April 26 Bright hydrogen to the NE of AR 875 (Eric Strach).
2006 April 25 AR 875 and 876 (Dave Storey).
2006 April 13 S-shaped filament (Eric Strach).
2006 April 09 Multiple arc prominence on the NE limb (Eric Strach).
2006 March 31 AR 865 and 866 (Dave Storey).
2006 March 31 Small filaments and fibrils surrounding AR 865. (Eric Strach).
2006 March 01 Eastern limb prominences (Eric Strach).
2006 February 16 Intertwined detached prominences (Eric Strach).
2006 February 15 Pyramidal shaped prominence (Eric Strach).
2006 February 15 Pyramidal shaped prominence (Eric Strach).
2006 January 29 Lond winding filament and plage (Eric Strach).
2006 January 25 AR 848 nearing the western limb (Dave Storey).
2005
2005 December 12 SE limb prominence (Eric Strach).
2005 December 11 Western limb prominence (Eric Strach).
2005 December 07 AR 826 nearing the western limb (Geoffrey Johnstone).
2005 November 21 AR 824 (Dave Storey).
2005 November 21 AR 822 (Dave Storey).
2005 November 19 Flare associated with AR 822 (Eric Strach).
2005 November 16 AR 822 (Dave Storey).
2005 November 16 AR 822 (Geoffrey Johnstone).
2005 November 13 2B Flare associated with AR 822 on E limb (Eric Strach).
2005 November 12 Prominences on SE limb (Eric Strach).
2005 October 17 A low but extensive prominence on the W limb (Eric Strach).
2005 October 10 Long filaments (Eric Strach).
2005 September 16 Flare associated with AR 808 (Eric Strach).
2005 September 13 Flare associated with AR 808 (Eric Strach).
2005 September 12 Sunspot Group AR 808 (Dave Storey).
2005 September 12 Flare associated with AR 808 (Eric Strach).
2005 September 02 NW limb prominences (Eric Strach).
2005 August 24 Ha activity around AR 800 (Eric Strach).
2005 August 02 Ha activity around AR 792 (Eric Strach).
2005 July 16 W limb prominences (Eric Strach).
2005 July 08 Sunspot group AR 783 (Dave Storey).
2005 July 08 Sunspot group AR 786 (Dave Storey).
2005 July 08 Ha activity around AR 786 (Eric Strach).
2005 June 21 Massive arch prominence (Eric Strach).
2005 June 18 Unusually high SW limb prominence (Eric Strach).
2005 June 15 Sunspot group AR 775 (Dave Storey).
2005 June 10 Sunspot group AR 776 (Dave Storey).
2005 June 10 Sunspot group AR 775 (Dave Storey).
2005 June 10 Sunspot group AR 775 & AR 776 (Dave Storey).
2005 June 07 Sunspot group AR 776 (Dave Storey).
2005 June 07 Sunspot group AR 775 & AR 776 (Dave Storey).
2005 May 30 Full disk in white light (Kevan Lawrence).
2005 May 30 Full disk in hydrogen alpha (disk) (Kevan Lawrence).
2005 May 30 Full disk in hydrogen alpha (prominences) (Kevan Lawrence).
2005 May 28 Full disk in white light (Kevan Lawrence).
2005 May 28 Full disk in hydrogen alpha (disk) (Kevan Lawrence).
2005 May 28 Full disk in hydrogen alpha (prominences) (Kevan Lawrence).
2005 May 22 Full disk in white light (Kevan Lawrence).
2005 May 22 Full disk in hydrogen alpha (disk) (Kevan Lawrence).
2005 May 22 Full disk in hydrogen alpha (prominences) (Kevan Lawrence).
2005 May 15 Full disk in white light (Kevan Lawrence).
2005 May 15 Full disk in hydrogen alpha (disk) (Kevan Lawrence).
2005 May 15 Full disk in hydrogen alpha (disk detail) (Kevan Lawrence).
2005 May 15 Full disk in hydrogen alpha (prominences) (Kevan Lawrence).
2005 May 15 Prominence detail (Kevan Lawrence).
2005 May 14 Filament near AR 759 (Eric Strach).
2005 May 09 2N flare in AR 758 (Eric Strach).
2005 May 01 AR 756 (Philippe Vercoutter).
2005 April 29 AR 756 (Dave Storey).
2005 April 29 AR 756 in Ha (Eric Strach).
2005 April 27 AR 756 in Ha (Eric Strach).
2005 April 24 Prominence at N57 to N61 (Eric Strach).
2005 April 10 Filament and AR 750 (Eric Strach).
2005 April 10 Full disk in white light (Kevan Lawrence).
2005 April 10 Full disk in hydrogen alpha (disk) (Kevan Lawrence).
2005 April 10 Full disk in hydrogen alpha (prominences) (Kevan Lawrence).

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