Journal contents items – Page 127 – British Astronomical Association

John Brashear and the BAA

The British Astronomical Association was founded in 1890, officially on October 1, though it was not until the first General Meeting on October 24 that the name was finally established and the first Council elected. Among those who joined before the end of that year – the Original Members – was the instrument maker John A. Brashear, of Pittsburgh, Pennsylvania.

Special General Meeting, 2015 March 25

Ordinary Meeting, 2015 March 25

Ordinary Meeting, 2015 January 31

BAA Update

Radio observations of the 2015 March 20 solar eclipse

The solar eclipse event of 2015 March 20 provided an opportunity to observe how ultraviolet and X-ray emissions from the

Some colourful double stars for the summer months

As we run towards mid-summer many deep sky observers take the opportunity for a couple of months off, and look

Observers’ Forum

In the footsteps of Ebenezer Porter Mason and his nebulae

In 1839, Ebenezer Porter Mason (1819-1840) produced detailed drawings of the Omega Nebula (M17), the Trifid Nebula (M20) and the eastern part of the Veil Nebula. This paper reviews his life and his observations, comparing his results with those of the modern amateur astronomer.

Changes in the spectrum of Z Ursae Majoris during its rise through a maximum in 2014 June

The semiregular variable Z UMa experienced a particularly deep minimum at the end of 2014 March, followed by a three-month rise to maximum.