The Great Comet of 1861 is discovered by John Tebbutt of Windsor, New South Wales, Australia.
C/1861 J1 (Tebbutt)
The Great Comet of 1861, formally designated C/1861 J1 and 1861 II, is a long-period comet that was visible to the naked eye for approximately 3 months. It was categorized as a great comet—one of the eight greatest comets of the 19th century.
John Tebbutt
John Tebbutt was an Australian astronomer and meteorologist, famous for discovering the Great Comets of 1861 and 1881.
Windsor, New South Wales
Windsor is a historic town in north-western Sydney in New South Wales, Australia. It is the council seat of the Hawkesbury local government area. The town sits on the Hawkesbury River, enveloped by farmland and Australian bush. Many of the oldest surviving European buildings in Australia are located at Windsor. It is 56 km (35 mi) north-west of the Sydney CBD, on the fringes of urban sprawl.