nishimura – Astronomy Now

4 April 2026

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Comet C/2023 P1 (Nishimura) brightening with nice tail

4 September 2023 Mark Armstrong

Comet C/2023 P1 (Nishimura) was discovered by on August 11 by Hideo Nishimura of Japan. It’s currently in the pre-dawn sky and visible through large binoculars, but you’ll need to observe as soon as possible this week.

New comet predicted to brighten rapidly as it sprints Sunwards

18 August 2023 Mark Armstrong

Comet C/2023 P1 (Nishimura) is a brand new comet discovered by on August 11 by Hideo Nishimura of Japan. In its one and only visit to the Solar System, it may reach magnitude +2 when at perihelion in September.