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 and elsewhere.

Comet			Max	From (elsewhere)	From (UK)	To (UK)		To (elsewhere)	Notes
2017 K2 (PanSTARRS)	 8				2021 November	2024 February			Not continuously visible
2019 L3 (ATLAS)		10				2021 July	2022 April	2022 June
2019 T4 (ATLAS)		11	2022 January		2022 April	2022 May	2022 July
2019 U5 (PanSTARRS)	11				2023 January	2023 May	2023 June
2020 K1 (PanSTARRS)	10	2022 December						2023 November
2020 V2 (ZTF)		 9				2022 November	2023 September	2023 November	Not continuously visible
2021 P4	(ATLAS)		11										Not observable
2021 S3 (PanSTARRS)	 7	2023 September		2024 February	2024 August
2021 T4 (Lemmon)	 8	2023 May						2023 October
2022 E2 (ATLAS)		13				2024 October	2025 January
2022 E3 (ZTF)		 6				2022 October	2023 March	2023 April	
73P/Schwassmann-Wach	11	2022 August						2022 September
81P/Wild		10				2022 October	2023 March	2023 May
118P/Shoemaker-Levy	11				2022 October	2023 March			Currently much fainter than expected
255P/Levy		 9	2022 June						2022 August
2P/Encke		 6				2023 August	2023 October	
62P/Tuchinshan		 8				2023 October	2024 March
96P/Machholz		 2	2023 February						2023 March
103P/Hartley		 8				2023 August	2023 December
144P/Kushida		 7				2023 September	2024 May
185P/Petriew		11	2023 June						2023 July
226P/Pigott-LINEAR-Kowa	10	2023 August		2023 December	2024 March
237P/LINEAR		10	2023 February		2023 April	2023 September
263P/Gibbs		 8				2022 October	2023 June
364P/PanSTARRS		 8				2023 February	2023 April	2023 June
12P/Pons-Brooks		 4				2023 December	2024 April	2024 August
13P/Olbers		 7				2024 February	2024 September	2024 October
1P/Halley		10				2060 October	2061 March
1P/Halley		 1				2061 July	2061 August
109P/Swift-Tuttle	 1				2126 January	2126 August