Skip to content
British Astronomical Association

British Astronomical Association

Supporting amateur astronomers since 1890

  • Community
    • Community
    • Observer’s Challenges
    • Tutorials
    • Dark Skies Commission
    • BAA Alerts
    • Observing Calendar
    • Forum
    • Archives
    • BAA Apparel
    • Affiliated Societies
    • Outreach
    • Useful Links
  • News
    • Latest News
    • BAA Business
    • Sky Notes
  • Events
    • Events
    • Future Events
    • Previous Events
  • Publications
    • Journal
    • Book Reviews
    • Documents
      • Latest Documents
    • Handbooks
    • Buy
  • Sections
    • All Sections
    • Asteroids & Remote Planets
    • Aurora & NLC
    • Comet
    • Computing
    • Dark Skies
    • Deep Sky
    • Education & Outreach
    • Equipment & Techniques
    • Exoplanets
    • Historical
    • Jupiter
    • Lunar
    • Mars
    • Mercury and Venus
    • Meteor
    • Radio Astronomy
    • Saturn, Uranus & Neptune
    • Solar
    • Variable Stars
  • Videos
    • Videos
    • Meetings
    • Dark Skies
    • Deep Space
      • Deep Sky
      • Exoplanets
      • Variable Stars
    • Hardware
      • Equipment
      • Radio Astronomy
      • Robotic Exploration
    • Solar System
      • Asteroids
      • Comets
      • Jupiter
      • Mercury & Venus
      • Outer Planets
      • The Sun
    • Terrestrial
      • Aurorae
      • Historical
      • Meteors
      • The Moon
  • Observations
    • Gallery
    • Spectroscopy database
    • Photometry database
    • Comet Section Archive
    • Solar Section Archive
    • Observing Calendar
  • About Us
    • About us
    • Join
    • Contact Us
    • Grants
    • Who’s Who
    • Awards
    • Shop
    • BAA Apparel
    • Donate
    • Privacy Notice
    • Terms of Use
    • Dark Skies Commission
  • Login
    • Login
    • Renew membership
    • Join the BAA

Archives

Prof Sarah Matthews, Dr Nicholas Heavens, Prof Sanjeev Gupta, Dr David Arditti and Dorrie Giles, with the plaque remembering Walter and Annie Maunder.

From the President

A plaque for the Maunders It gave me great pleasure to represent the Association at the unveiling of an English

Read more
Figure 2: Diagonal streaks visible in the cloud markings. Note the cloud markings change depending on which filter is used to study the planet. The observation was made on 2020 Sep 1

The 2020–’21 western elongation of Venus

A report of the Mercury & Venus Section. Director: P. G. Abel This paper covers observations of Venus made during

Read more
Portrait of Lord Warriston

British Isles aurorae, 1560–1715, Part II: 1645–1715

This is the second of two papers in which, together, 28 previously unrecognised cases of probable aurorae seen in the

Read more
The sodium tail of Mercury, imaged by Nick James.

Photographing the sodium tail of Mercury

Mercury’s very thin atmosphere was first detected by the Mariner 10 spacecraft back in 1974. It consists of atoms captured

Read more

HR Lyrae: the restless slumbers of an old nova

A report of the Variable Star Section. Director: J. Shears.   We present the light curve of the old nova

Read more

Celebrating Mary Somerville (1780–1872)

In the Journal’s Christmas Quiz, Marie-Louise Archer featured a question about the contributions to astronomy made by Mary Somerville. With

Read more
Figure 3. Different observations arranged according to the decreasing position angle of the location along the lunar limb that is maximally tilted towards Earth. Details of the equipment used are given in the text. The peaks of Montes d’Alembert are subdivided into a northern group (red brackets) and a southern group (white brackets). North is up.

Identifying the peaks of Montes d’Alembert

The Montes d’Alembert are a chain of mountain peaks found along the western lunar limb. The individual mountains were grouped

Read more
Figure 2. WAC image of the examined region. Note the dome Lavoisier 4, which is not prominent as in the telescopic image (Figure 1). The image is shown in cylindrical projection, removing the foreshortening.

Lunar domes near Lavoisier K

In this study, we examine four lunar domes located near the crater Lavoisier K. The large domes, termed Lavoisier 1–3,

Read more

British Isles aurorae, 1560–1715, Part I: 1560–1644

This is the first of two papers in which, together, 28 previously unrecognised cases of probable aurorae seen in the

Read more

Double star unexpectedly detected during occultation by asteroid – a first from the UK

These results are a very dramatic demonstration of the effectiveness of the occultation method at measuring the intrinsic properties of

Read more
  • ← Previous
  • Next →

© The British Astronomical Association 2022 Registered charity no. 210769 Registered company no. 117572 For more information including contact details, click here.

  • Home
  • About us
  • Community
  • Documents
  • Events
  • Journal
  • News
  • Sections
  • Tutorials
  • Videos
  • Forum
  • Archives
  • About us
  • Contact Us
  • Grants
  • Privacy Notice
  • Events
  • Who’s Who
  • BAA Alerts
  • BAA Business
  • Observer’s Challenges
  • Sky Notes
  • Terms of Use
Copyright © 2026 British Astronomical Association. All rights reserved.
Theme: ColorMag by ThemeGrill. Powered by WordPress.