Articles appear in a random order every time the page is refreshed.
They can also be found using our Read On page which groups them by category and displays in date order.
We hope you enjoy these articles and find them useful.
-
The Magnitude Scale
Even with the unaided eye we can make some estimates of the properties of a star against the dark background of the night sky. Perhaps the most obvious observation we…
-
Astro Hacks: DIY Tube Ring Marker
I’m sure that many of you will have come across the same frustration that I used to have – I’d set up my ’scope (a 6” Fullerscope newtonian) for my…
-
Variable Stars: U Orionis
U Orionis Observing Notes 2007-2009 The British Astronomical Association made U Orionis, a long-period variable or “Mira” star, its variable star of year for 2008. This star varies over a…
-
Variable Stars: Rho Cas
Rho Cas Observing Notes 2007-2009 For about 2 years I observed the Semi-regular variable star Rho Cassiopeia. Semi-regular variables have a rough period and rough range, but both these can…
-
Pegasus
In early Autumn the night sky is dominated by the constellation of Pegasus with the famous Square of Pegasus providing an easily identifiable landmark. Image credit : Torsten Bronger CC…
-
Fireball class meteor photographed over Surrey
IAbout 9.30 on Saturday 3 March 2012 I went oout to try and capture an image of comet Garradd with my DSLR. At mag 6.8 it is in range of…
-
Astro Hacks: Luminous Tape
How many times have you been out observing or imaging under a dark night sky and said something like “Now where did I put down that pesky red-light torch?” Or…
-
Cygnus
The Constellation of Cygnus Cygnus the Swan forms a huge cross in the northern sky with Beta Cygni (the beautiful double star Albiero) at its head and 1st magnitude star…
-
Update on an 11 year image!
Back in September 2011 one of our former members Chris Thayer, caught an image of a super nova in M101. In November 2022 at a talk given by Mark Sullivan…
-
Blue Moons
When is a Blue Moon not a Blue Moon ? Most people, including me, would say that January 31st 2018 is a Blue Moon as it is the second Full…