Archive for the ‘Beginners’ Category

The Magnitude Scale by Peter Campbell-Burns

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 can make is that some stars look brighter than others. Look very carefully and you will notice that some stars also reveal a hint of colour. A...
December 14th, 2009 | Beginners | Read More

Why can’t I see fabulous coloured nebulae with my telescope?

We are all used to seeing fabulous, colourful images from space, taken by the Hubble Space Telescope or from some of the world’s best observatories, and I know this prompts many people to want to buy their own telescopes with expectations of seeing these delights first hand, only to result in...
December 11th, 2009 | Beginners, Featured Articles, Observing | Read More