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
2020 K1 (PanSTARRS)	10	2022 December						2023 November
2020 V2 (ZTF)		 9				2022 November	2023 September	2023 November	Not continuously visible
2021 S3 (PanSTARRS)	 9	2023 September		2024 January	2024 August
2022 E2 (ATLAS)		13				2024 October	2025 January
2023 A3 (Tsuchinshan-A)  3?				2024 March	2024 December			Not continuously visible
2023 H2 (Lemmon)	 5?				2023 September	2023 November	2024 January
2023 P1 (Nishimura)	 2				2023 August	2023 September	
62P/Tuchinshan		 8				2023 October	2024 March
103P/Hartley		 8				2023 August	2023 December
144P/Kushida		 7				2023 September	2024 May			May brighten rapidly near perihelion
226P/Pigott-LINEAR-Kowa	10	2023 August		2023 December	2024 March
12P/Pons-Brooks		 4				2023 December	2024 April	2024 August
13P/Olbers		 7				2024 February	2024 September	2024 October
33P/Daniel		11				2024 November	2025 January
46P/Wirtanen		11										Not observable in 2024
154P/Brewington		11	2024 May		2024 July	2024 August
333P/LINEAR		10				2024 November	2024 December
24P/Schaumasse		 8				2025 October	2026 April
10P/Tempel		 8				2026 March	2026 August	2026 November
69P/Taylor		12				2026 November	2027 February
78P/Gehrels		11	2026 June		2026 August	2026 November
88P/Howell		10	2026 January						2026 June
161P/Hartley-IRAS	10	2026 August		2026 September	2027 January
169P/NEAT		12				2026 August
21P/Giacobini-Zinner	11										Not observable in 2025
289P/Blanpain		11										Not observable in 2025
414P/STEREO		11				2025 August	2025 September
88P/Howell		 9	2026 February		2026 July	2026 July
1P/Halley		10				2060 October	2061 March
1P/Halley		 1				2061 July	2061 August
109P/Swift-Tuttle	 1				2126 January	2126 August