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