Comets visible from the UK

This table lists the interval when comets are expected to be brighter than 12th magnitude and gives the period of visibility from the UK.

Comet			Max	From (elsewhere)	From (UK)	To (UK)		To (elsewhere)	Notes
2015 ER61 (PanSTARRS)	 6	2016 December		2017 June	2017 October
2015 V1 (Johnson)	 7				2016 December	2017 July	2017 November
2016 M1 (PanSTARRS)	 9				2017 October	2017 November	2018 September
2016 U1 (NEOWISE)	 7				2016 December	2017 January	
43P/Wolf-Harrington	12	2016 November						2017 February
144P/Kushida		11	2016 September						2016 November
226P/Pigott-LINEAR-Kow	10	2016 May		2016 August	2017 February
45P/Honda-Mrkos-Pajdus	 6				2016 December	2017 March
2P/Encke		 6				2016 November	2017 March	2017 July
41P/Tuttle-Giacobini-	 4				2016 December	2017 July	2017 August
24P/Schaumasse		10				2017 September	2018 January
71P/Clark		10	2017 March						2017 September
96P/Machholz		 2	2017 October						2017 October
2013 CU129 (PanSTARRS)	11	2018 June						2018 July
21P/Giacobini-Zinner	 4				2018 June	2018 October	2018 December
38P/Stephan-Oterma	 9				2018 September	2019 January
46P/Wirtanen		 3				2018 August	2019 May
48P/Johnson		10	2018 May		2018 July	2018 August	2018 November
185P/Petriew		11				2018 January	2018 February
289P/Blanpain		 5?	2019 September		2019 October	2020 March
P/Pons-Brooks		 4				2023 November	2024 April
1P/Halley		10				2060 October	2061 March
1P/Halley		 1				2061 July	2061 August
109P/Swift-Tuttle	 1				2126 January	2126 August