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Solar Activity August 2026, report by Andrew Wood
During August I was able to observe the solar photosphere on twelve mornings at 10am. This was over two distinct groups as after Aug 12 weather and a trip away meant I could not observe again until August 24, and I was home on 3 more sunny mornings at the end of the month. Figures 1a and 1b show the sunspot activity. Figure 1a shows that sunspot activity started strongly at the beginning of August then dropped constantly, until by Aug 10 there were no sunspots at all. Figure
Andrew Wood
Sep 72 min read


Solar Activity July 2026, report by Andrew Wood
During July I was able to observe the solar photosphere on sixteen mornings at 10am. Sunspots were observed using a 127mm Maksutov-Cassegrain telescope. Figure 1 shows that sunspot activity started strongly early in July, then fell away sharply mid-month before increasing again. Figure 1: Graphic representation of sunspot activity during July 2026 through a 127mm Maksutov-Cassegrain telescope and an 8x50 finder-scope, both fitted with full-aperture solar filters. The Relative
Andrew Wood
Aug 111 min read


Astronomers' Bulletin July to Sept '26
Find out why the solar wind stays so hot and more interesting astronomical news, Variable stars and investigation of the Universe's lithium.
Janette Brennan
Jul 191 min read


Video of presentation by Lyn Smith FRAS titled: 'Our Sun: the work of the BAA Solar Section'
Lyn Smith FRAS explains how to safely observe the Sun, our closest star, and record its activity.
Sydney City Skywatchers Committee
Jun 241 min read


Our Sun: the work of the BAA Solar Section, Mon 1 June, 6:30pm, online.
Find out about the Sun, our closest Star, from Lyn Smith FRAS.
Toner Stevenson
May 132 min read


Solar activity this month: February 2025
Our active Sun in February 2025
Toner Stevenson
Feb 23, 20252 min read


Astronomers' Bulletin April to June '24
Our quarterly magazine features significant events in astronomy, members observations and tips for amateur astronomers. Download and read...
Janette Brennan
Apr 24, 20241 min read


Astronomers' Bulletin Oct to Dec '23
As 2023 draws to a close Janette Brenan gives insights into discoveries made possible due to the James Webb Telescope, harks back to a...
Janette Brennan
Oct 28, 20231 min read


Did You know? All about Helium.
This month is the 155th anniversary of the discovery of Helium, the second most abundant element in the universe. Helium was first...
Elizabeth Cocking
Aug 14, 20231 min read


Astronomers' Bulletin: April to June 2023
In This Issue: Icy Moonquakes.........................................................1-3 NGC3293...........................................
Janette Brennan
Apr 27, 20231 min read
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