British Astronomical Association
Comet Section


2017 News

Jan 01  A Happy New Year to all comet observers
Jan 01  William Li reports a Kreutz group comet in real time C2 images
Jan 01  Worachate Boonplod reports a Meyer group comet in real time C2 images
Jan 02  Peiyuan Sun reports a Kreutz group comet in real time C3 images
Jan 05  Zhijian Xu reports a Kreutz group comet in real time C2 images
Jan 05  Worachate Boonplod reports a Kreutz group comet in real time C2 images
Jan 05  Bo Zhou reports a non-group comet in real time C3 images
Jan 06  Discovery of 2017 A1 (PanSTARRS) reported
Jan 06  Discovery of 2017 A2 (P/PanSTARRS) reported
Jan 06  Trygve Prestgard reports two Kreutz comets in STEREO images
Jan 08  Trygve Prestgard reports two Kreutz comets in STEREO images
Jan 11  Discovery of 2017 A3 (Elenin) reported
Jan 13  Trygve Prestgard reports a Kreutz comet in STEREO images
Jan 14  Masanori Uchina reports a Meyer group comet in real time C2 images
Jan 15  Trygve Prestgard reports a Kreutz comet in STEREO images
Jan 19  Zhijian Xu reports a Kreutz group comet in real time C3 images
Jan 19  Khadija El Kanbi reports a Kreutz comet in STEREO images
Jan 21  Zhijian Xu reports a Kreutz group comet in real time C3 images
Jan 25  Zhijian Xu reports a Kreutz group comet in STEREO images
Jan 26  Zhijian Xu reports a Kreutz group comet in real time C2 images
Jan 27  Discovery of 2017 B1 (Lemmon) reported
Jan 27  Cometary activity reported in 2016 VZ18 (PanSTARRS)
Jan 29  Recovery of 2010 J5 (P/McNaught) as 2017 B2 reported
Jan 29  Trygve Prestgard reports a Kreutz comet in STEREO images
Jan 31  Peiyuan Sun reports a non-group (Marsden group) comet in real time C3 images
Feb 01  Peiyuan Sun reports a Kreutz comet in STEREO images
Feb 03  Zhijian Xu and Sergey Shurpakov report a Kreutz group comet in real time C3 images
Feb 04  Discovery of 2017 B3 (LINEAR) reported
Feb 04  Discovery of 2017 B4 (P/PanSTARRS) reported
Feb 04  Worachate Boonplod reports two Kreutz group comets in real time C3 images
Feb 07  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Feb 07  Worachate Boonplod reports a Kreutz group comet in STEREO images
Feb 08  Zhijian Xu reports two Kreutz group comets in STEREO images
Feb 12  Outburst of 73P component reported
Feb 12  Discovery of 2017 C1 (NEOWISE) reported
Feb 12  Worachate Boonplod reports a Meyer group comet in real time C2 images
Feb 19  Discovery of 2017 C1 (PanSTARRS) reported
Feb 25  Zhijian Xu reports a Kreutz group comet in real time C3 images
Feb 27  Zhijian Xu reports a Kreutz group comet in real time C3 images
Mar 01  Discovery of 2017 D1 (P/Fuls) reported
Mar 01  Discovery of 2017 D2 (Barros) reported
Mar 01  Discovery of 2017 D3 (ATLAS) reported
Mar 01  Discovery of 2017 D4 (P/PanSTARRS) reported
Mar 01  Masanori Uchina reports a Meyer group comet in real time C2 images
Mar 02  Masanori Uchina reports a Kreutz group comet in real time C3 images
Mar 02  Michal Biesiada reports a Kreutz group comet in real time C3 images
Mar 04  Discovery of 2017 E1 (Borisov) reported
Mar 04  Szymon Liwo reports a Kreutz group comet in real time C3 images
Mar 07  Discovery of 2017 E2 (XuYi) reported
Mar 12  Worachate Boonplod and Michal Biesiada report a Kreutz group comet in real time C3 images
Mar 13  Discovery of 2017 E3 (PanSTARRS) reported
Mar 13  Discovery of 2017 E4 (Lovejoy) reported
Mar 14  Worachate Boonplod reports two Kreutz group comets in real time C3 images
Mar 26  Zhijian Xu reports a Kreutz group comet in real time C3 images
Mar 27  Szymon Liwo reports a Kreutz group comet in real time C3 images
Mar 29  Zhijian Xu reports a Kreutz group comet in real time C3 images
Apr 02  Discovery of 2017 D5 (PanSTARRS) reported
Apr 02  Discovery of 2017 E5 (Lemmon) reported
Apr 02  Discovery of 2017 F1 (Lemmon) reported
Apr 02  Masanori Uchina reports a Kreutz group comet in real time C2 images
Apr 04  Zhijian Xu reports a Kreutz group comet in real time C3 images
Apr 04  Masanori Uchina reports a Kreutz group comet in real time C2 images
Apr 06  Discovery of 2017 F2 (PanSTARRS) reported
Apr 06  Discovery of 2017 G1 (P/PanSTARRS) reported
Apr 07  Worachate Boonplod reports four Kreutz group comets in real time images
Apr 10  Masanori Uchina reports a Kreutz group comet in real time C2 images
Apr 11  Worachate Boonplod reports a Kreutz group comet in real time C2 images
Apr 13  Masanori Uchina reports a Kreutz group comet in real time C2 images
Apr 14  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Apr 15  Masanori Uchina reports a Kreutz group comet in real time C2 images
Apr 16  Trygve Prestgard and Masanori Uchina report a Kreutz group comet in real time C2 images
Apr 16  Zhijian Xu reports a Kreutz group comet in real time C2 images
Apr 19  Worachate Boonplod reports three Kreutz group comets in real time C3 images
Apr 19  Worachate Boonplod reports a Meyer group comet in real time C2 images
Apr 21  Discovery of 2017 G2 (P/PanSTARRS) reported
Apr 21  Discovery of 2017 G3 (PanSTARRS) reported
Apr 21  Worachate Boonplod reports a Kreutz group comet in real time C2 images
Apr 22  Worachate Boonplod reports a Kreutz group comet in real time C2 images
Apr 22  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Apr 24  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Apr 25  Worachate Boonplod reports a Kreutz group comet in real time C2 images
Apr 25  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Apr 27  Zhijian Xu reports a Kreutz group comet in real time C2 images
Apr 28  Masanori Uchina reports a non-group comet in real time C2 images
Apr 29  Zhijian Xu reports a Kreutz group comet in real time C2 images
Apr 30  Szymon Liwo and Zhijian Xu report a Kreutz group comet in real time C2 images
Apr 30  Worachate Boonplod reports a Kreutz group comet in real time C2 images
May 02  Worachate Boonplod reports a Kreutz group comet in real time C2 images
May 02  Worachate Boonplod reports a Kreutz group comet in real time C3 images
May 04  Worachate Boonplod reports a Kreutz group comet in real time C3 images
May 08  Worachate Boonplod reports a Kreutz group comet in real time C2 images
May 09  Masanori Uchina reports a Kreutz group comet in real time C2 images
May 11  Worachate Boonplod reports a Kreutz group comet in real time C2 images
May 12  Masanori Uchina reports a Kreutz group comet in real time C2 images
May 13  Masanori Uchina reports a Kreutz group comet in real time C3 images
May 13  Worachate Boonplod reports a Kreutz group comet in real time C2 images
May 16  Worachate Boonplod reports a Kreutz group comet in real time C2 images
May 17  Worachate Boonplod reports a Kreutz group comet in real time C3 images
May 18  Worachate Boonplod reports a Meyer group comet in real time C2 images
May 20  Michal Kusiak reports a Meyer group comet in real time C2 images
May 21  Masanori Uchina reports a Meyer group comet in real time C2 images
May 21  Michal Kusiak reports a Kreutz group comet in real time C2 images
May 24  Discovery of 2017 K1 (PanSTARRS) reported
May 24  Discovery of 2017 K2 (PanSTARRS) reported
May 27  Michal Kusiak reports a Kreutz group comet in real time C2 images
May 28  Michal Kusiak reports a Kreutz group comet in real time C2 images
May 28  2016 WM48 (Lemmon) reported as a comet
May 29  Masanori Uchina reports a Kreutz group comet in real time C2 images
May 31  Worachate Boonplod and Michal Kusiak report a Kreutz group comet in real time C2 images
Jun 01  Discovery of 2017 K3 (P/Gasparovic) reported
Jun 01  Discovery of 2017 K4 (ATLAS) reported
Jun 01  Discovery of 2017 K5 (PanSTARRS) reported
Jun 01  Discovery of 2017 K6 (Jacques) reported
Jun 02  Worachate Boonplod reports two Kreutz group comets in real time C2 images
Jun 03  Michal Kusiak and Peiyuan Sun report a Kreutz group comet in real time C2 images
Jun 05  Sergey Shurpakov reports a Kreutz group comet in real time C3 images
Jun 05  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Jun 06  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Jun 06  Recovery of 2000 S1 (P/Skiff) as 2017 L1 reported
Jun 06  Worachate Boonplod reports a Kreutz group comet in real time C2 images
Jun 07  Trygve Prestgard reports a Kreutz group comet in real time C2 images
Jun 07  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Jun 08  Trygve Prestgard reports a Kreutz group comet in real time C3 images
Jun 10  Worachate Boonplod reports a Kreutz group comet in real time C2 images
Jun 10  Michal Kusiak reports a Kreutz group comet in real time C2 images
Jun 10  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Jun 12  Worachate Boonplod reports a Kreutz group comet in real time C2 images
Jun 13  Worachate Boonplod reports a Kreutz group comet in real time C2 images
Jun 15  Worachate Boonplod reports a Kreutz group comet in real time C2 images
Jun 16  Worachate Boonplod reports a Kreutz group comet in real time C2 images
Jun 18  Discovery of a fragment of 2015 ER61 (PanSTARRS) reported
Jun 18  Worachate Boonplod reports a non-group comet in real time C3 images
Jun 19  Worachate Boonplod reports a Meyer group comet in real time C3 images
Jun 20  Recovery of 2009 S2 (P/McNaught) as 2017 M1 reported
Jun 20  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Jun 21  Recovery of 2010 A2 (P/LINEAR)as 2017 B5 reported
Jun 21  Worachate Boonplod reports a Kreutz group comet in real time C2 images
Jun 22  Recovery of 2004 T1 (P/LINEAR-NEAT) as 2017 M2 reported
Jun 23  Discovery of 2017 M3 (PanSTARRS) reported
Jun 23  Discovery of 2017 M4 (ATLAS) reported
Jun 23  Worachate Boonplod and Masanori Uchina report a Kreutz group comet in real time C2 images
Jun 24  Worachate Boonplod reports two Kreutz group comets in real time C2 images
Jun 28  Masanori Uchina reports a Kreutz group comet in real time C3 images
Jun 29  Masanori Uchina reports a Kreutz group comet in real time C2 images
Jul 01  Discovery of 2017 M5 (TOTAS) reported 
Jul 01  Worachate Boonplod reports a Meyer group comet in real time C2 images
Jul 02  Worachate Boonplod reports a Kreutz group comet in real time C2 images
Jul 03  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Jul 03  Cometary activity in Hilda group asteroid (457175) reported
Jul 05  Worachate Boonplod reports a Kreutz group comet in real time C2 images
Jul 06  Masanori Uchina reports a Kreutz group comet in real time C2 images
Jul 08  Masanori Uchina and Worachate Boonplod report a Kreutz group comet in real time C2 images
Jul 09  Worachate Boonplod reports a Kreutz group comet in real time C2 images
Jul 10  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Jul 10  Worachate Boonplod reports two Kreutz group comets in real time C2 images
Jul 15  Worachate Boonplod reports a Meyer group comet in real time C2 images
Jul 16  Salil Mulye reports a Kreutz group comet in real time C3 images
Jul 16  Worachate Boonplod reports a Meyer group comet in real time C2 images
Jul 17  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Jul 18  Worachate Boonplod reports a Meyer group comet in real time C2 images
Jul 19  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Jul 19  Trygve Prestgard reports a Kreutz group comet in real time C3 images
Jul 21  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Jul 23  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Jul 24  Discovery of 2017 O1 reported
Jul 24  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Jul 25  Zhijian Xu reports a Kreutz group comet in real time C3 images
Jul 30  Salil Mulye reports a Kreutz group comet in real time C3 images
Aug 01  Masanori Uchina reports a Meyer group comet in real time C2 images
Aug 02  Worachate Boonplod reports a Meyer group comet in real time C2 images
Aug 03  Recovery of 2010 D1 (P/WISE) reported
Aug 03  Peter Birtwhistle reports possible cometary activity in 2017 MB1
Aug 03  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Aug 04  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Aug 05  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Aug 09  Worachate Boonplod reports a Meyer group comet in real time C2 images
Aug 09  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Aug 10  Zhijian Xu reports a Kreutz group comet in real time C3 images
Aug 14  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Aug 16  Zhijian Xu reports a Kreutz group comet in real time C3 images
Aug 17  Discovery of 2017 P1 (P/PanSTARRS) reported
Aug 19  Recovery of 2008 T4 (P/Hill) as 2017 Q1 reported
Aug 19  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Aug 20  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Aug 20  Trygve Prestgard reports a Kreutz group comet in real time C3 images
Aug 23  Discovery of 2017 P2 (PanSTARRS) reported
Aug 23  Hanjie Tan reports a Kreutz group comet in real time C3 images
Aug 24  Masanori Uchina reports a Kreutz group comet in real time C3 images
Aug 24  Masanori Uchina reports a non-group comet in real time C2 images
Aug 25  Recovery of 2012 T1 (P/PanSTARRS) as 2017 O3 reported
Aug 25  Asteroid 2007 RS41 found to show cometary features as 2017 Q2 (P/LONEOS)
Aug 26  Rainer Kracht reports a Meyer group comet in delayed C2 images
Aug 26  Rainer Kracht reports a Marsden group comet in real time C2 images
Aug 31  Hanjie Tan reports a Kreutz group comet in real time C3 images
Sep 02  Xavier Leprette and Worachate Boonplod report a Meyer group comet in real time C2 images
Sep 02  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Sep 03  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Sep 05  Hanjie Tan reports a Kreutz group comet in real time C3 images
Sep 06  Trygve Prestgard reports a Kreutz group comet in real time C3 images
Sep 06  Trygve Prestgard reports a non-group comet in STEREO images
Sep 06  Zhijian Xu reports a Kreutz group comet in real time C3 images
Sep 09  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Sep 11  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Sep 15  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Sep 18  Masanori Uchina reports a Kreutz group comet in real time C2 images
Sep 20  Recovery of 2010 P4 (P/WISE) as 2017 S1
Sep 22  Discovery of 2017 R1 (P/PanSTARRS) reported
Sep 22  Discovery of 2017 S2 (PanSTARRS) reported
Sep 22  Masanori Uchina reports a Kreutz group comet in real time C3 images
Sep 22  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Sep 25  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Sep 26  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Sep 26  Zheng Cao reports a Kreutz group comet in real time C3 images
Sep 27  Discovery of 2017 S3 (PanSTARRS) reported
Sep 28  Egor Isaev reports a Kreutz group comet in real time C3 images
Sep 28  Discovery/recovery of 2017 S4 (P/Spacewatch) reported
Sep 29  Discovery of 2017 S5 (P/ATLAS) reported
Oct 03  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Oct 04  Sergey Shurpakov reports a non-group comet in real time C3 images
Oct 08  Discovery of 2017 S6 (Catalina) reported
Oct 08  Discovery of 2017 S7 (Lemmon) reported
Oct 08  Masanori Uchina reports a Kreutz group comet in real time C2 images
Oct 08  Worachate Boonplod reports a Kreutz group comet in real time C2 images
Oct 08  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Oct 09  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Oct 09  Worachate Boonplod reports a Kreutz group comet in real time C2 images
Oct 10  Hanjie Tan reports a Kreutz group comet in real time C2 images
Oct 11  Szymon Liwo and Zhijian Xu report a Kreutz group comet in real time C2 images
Oct 12  Trygve Prestgard reports a Kreutz group comet in archival H1 images
Oct 13  Hanjie Tan and Worachate Boonplod report a Kreutz group comet in real time C3 images
Oct 13  Hanjie Tan reports a Kreutz group comet in real time C3 images
Oct 15  Zhijian Xu reports a Kreutz group comet in real time C2 images
Oct 16  Discovery of 2017 T1 (Heinze) reported
Oct 16  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Oct 19  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Oct 20  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Oct 21  Szymon Liwo reports a Kreutz group comet in real time C3 images
Oct 21  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Oct 24  Worachate Boonplod reports a Kreutz group comet in real time C2 images
Oct 25  Discovery of 2017 T2 (PanSTARRS) reported
Oct 25  Discovery of A/2017 U1 [PanSTARRS] reported
Oct 26  Zhijian Xu and Zheng Cao report a Kreutz group comet in real time C2 images
Oct 26  Worachate Boonplod reports a Kreutz group comet in real time C2 images
Oct 28  Discovery of 2017 S8 (P/PanSTARRS) reported
Oct 28  Discovery of 2017 S9 (P/PanSTARRS) reported
Oct 28  Discovery of 2017 T3 (ATLAS) reported
Oct 28  Discovery of 2017 U2 (Fuls) reported
Oct 28  Masanori Uchina reports a Kreutz group comet in real time C2 images
Oct 29  Masanori Uchina reports a Kreutz group comet in real time C2 images
Oct 31  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Nov 02  Worachate Boonplod reports a Kreutz group comet in real time C2 images
Nov 03  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Nov 04  Masanori Uchina reports a Kreutz group comet in real time C2 images
Nov 04  Worachate Boonplod and Szymon Liwo report a Kreutz group comet in real time C2 images
Nov 05  Masanori Uchina reports a Kreutz group comet in real time C2 images
Nov 06  Worachate Boonplod reports a Kreutz group comet in real time C2 images
Nov 06  2017 U1 formally named 1I/'Oumuamua
Nov 07  Worachate Boonplod reports a Kreutz group comet in real time C2 images
Nov 08  Worachate Boonplod reports a Kreutz group comet in real time C2 images
Nov 08  Hanjie Tan reports a Kreutz group comet in real time C2 images
Nov 10  Worachate Boonplod reports two Kreutz group comets in real time C3 images
Nov 12  Masanori Uchina reports a Kreutz group comet in real time C2 images
Nov 13  Discovery of 2017 U3 (P/PanSTARRS) reported
Nov 13  Szymon Liwo reports a Kreutz group comet in real time C2 images
Nov 13  Hanjie Tan reports a Kreutz group comet in real time C2 images
Nov 14  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Nov 15  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Nov 15  Szymon Liwo reports a Kreutz group comet in real time C2 images
Nov 16  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Nov 18  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Nov 19  Discovery of 2017 U4 (PanSTARRS) reported
Nov 19  Worachate Boonplod reports a Kreutz group comet in real time C2 images
Nov 19  Recovery of 2011 VJ5 (P/Lemmon) as 2017 W1
Nov 21  Worachate Boonplod reports a Kreutz group comet in real time C2 images
Nov 21  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Nov 24  Worachate Boonplod and Sergey Shurpakov report a Kreutz group comet in real time C3 images
Nov 25  Worachate Boonplod reports a Kreutz group comet in real time C2 images
Nov 27  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Nov 30  Szymon Liwo reports a Kreutz group comet in real time C2 images
Dec 02  Discovery of 2017 U5 (PanSTARRS) reported
Dec 02  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Dec 04  Worachate Boonplod reports a Kreutz group comet in real time C2 images
Dec 05  Worachate Boonplod reports a Kreutz group comet in real time C2 images
Dec 06  Zhijian Xu reports a Meyer group comet in real time C2 images
Dec 06  Masanori Uchina reports a Kreutz group comet in real time C2 images
Dec 09  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Dec 12  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Dec 13  Cometary activity reported in 2000 XO8 (A/LINEAR)
Dec 15  Worachate Boonplod reports a Kreutz group comet in real time C2 images
Dec 19  Szymon Liwo reports a Kreutz group comet in real time C3 images
Dec 19  Discovery of 2017 W2 (Leonard) reported
Dec 19  Discovery of 2017 W3 (P/Gibbs) reported
Dec 19  Discovery of 2017 X1 (PanSTARRS) reported
Dec 21  Worachate Boonplod reports a Kreutz group comet in real time C3 images
Dec 21  Worachate Boonplod reports a Kreutz group comet in real time C2 images
Dec 21  Masanori Uchina reports a Kreutz group comet in real time C2 images
Dec 22  Krzysztof Kida reports a Kreutz group comet in real time C3 images
Dec 22  Trygve Prestgard reports a Kreutz group comet in real time C2 images
Dec 28  Zhijian Xu reports a Kreutz group comet in real time C3 images
Dec 30  Discovery of 2017 Y1 (PanSTARRS) reported
Dec 30  Discovery of 2017 Y2 (PanSTARRS) reported

Published by Jonathan Shanklin. Jon Shanklin - jds@ast.cam.ac.uk