Sections – Page 29 – British Astronomical Association

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

Outburst of Comet 12P/Pons-Brooks – Preliminary report

Comet 12P/Pons-Brooks is a Halley-type comet with a period of 71 years which returns to perihelion next April. On its

A Great Year for the Perseid Meteor Shower!

With the August Full Sturgeon Moon behind us, the Moon is now rising slightly later each night providing observers with

Deep Sky Update – July 2023

On reaching the end of July the night skies are getting very noticeably darker here at 59N. We’ve had few