Comet C/2023 A3 (Tsuchinshan-ATLAS) Observing campaign
C/2023 A3 (Tsuchinshan-ATLAS) was discovered at the start of 2023 when it was 7.5 au from the Sun. It has
Read moreC/2023 A3 (Tsuchinshan-ATLAS) was discovered at the start of 2023 when it was 7.5 au from the Sun. It has
Read moreDenis Buczynski (Tarbatness) and Mark Phillips (Edinburgh) report another small outburst of this comet. First detection was 2024 Feb 29.82.
Read moreComet 12P/Pons-Brooks comes to perihelion this April. It has an orbital period of 71 years and a large nucleus which
Read moreBAA member Maxim Usatov has developed a remote observatory, called Alnitak, in southern Spain and he has generously offered the
Read moreThis is a preliminary report on the latest outburst and a comparison with previous outbursts. It is subject to updates.
Read moreDisconnection events The ion tail of a comet is driven away from the coma by the solar wind which flows
Read moreRichard Miles on behalf of the Comet Chasers team run by Helen Usher reports another major outburst of this unusual
Read moreA lot of items have been appearing in the media about this comet. As with most comets that come to
Read moreComet 12P/Pons-Brooks is a Halley-type comet with a period of 71 years which returns to perihelion next April. On its
Read more103P/Hartley is a Jupiter family periodic comet which was discovered on 1986 March 15.59 by Malcolm Hartley using the 1.2-m
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