Sections – Page 14 – British Astronomical Association

Saturn 2023 Apparition Notes

2023 Mar The first observation of this apparition was made by Trevor Barry on Mar 29.

Jupiter in 2022-23: Report no.8

Jupiter in 2022/23, Report no.8: Final report on the southern hemisphere John Rogers (BAA), Gianluigi Adamoli, Rob Bullen, Michel Jacquesson,

Uranus 2023 Apparition Notes

Uranus Observations 2023-2024IntroductionDuring this apparition, Uranus is at opposition on 2023 November 13.2023 AugustKevin Bailey imaged Uranus on the following

Neptune 2023 Apparition Notes

Neptune Observations 2023-2024 Introduction During this apparition, Neptune is at opposition on 2022 September 19. 2021 September 2023 AugustThe first

What will Comet C/2023 P1 (Nishimura) do?

A lot of items have been appearing in the media about this comet. As with most comets that come to

Historical Section Webinar – Prof Nick Lomb: “Australian Eclipses 1857 and 1871”

We welcome Professor Nick Lomb of the University of Southern Queensland; co-editor of “Eclipse Chasers”. Nick will be telling us

Deep Sky Update – August 2023

Dark nights have returned to Orkney, and it has been nice to be able to see some stars again. We

Imaging the sodium cloud of Io

A notable feature of the Jupiter system is a cloud of sodium atoms emitted from the satellite Io, which has

Juno at PJ53

Here is our report on the JunoCam images at PJ53, in our usual style. The coverage of Jupiter was similar

Wilson Effect Observer’s Challenge

Introduction As sunspots progress towards the limb their appearance becomes foreshortened. However, for some sunspots, the width of the penumbra