Star Magnitude System For Classifying The Brightness Of Stars
A system of magnitude numbers (mag for short) is used to classify the brightness of the stars we see in the sky. This magnitude system was actually first devised by Hipparchus, the Greek astronomer, a...
View ArticleDouble Stars And More
There are many stars in the sky which look like single points of light to the unaided eye. But these special stars are in fact doubles, or even sometimes triples or more, when viewed through binoculars...
View ArticleVariable Stars – Now You See Me, Now You Don’t!
Some stars that we can see in the sky, vary in brightness quite noticably over time. Their brightness may alter by several magnitudes over a period of days, weeks or months. One of the most famous...
View ArticleStars – What Are They?
Our closest star is of course, the Sun. It is incredibly important to us here on Earth. Without the heat and light from the Sun, there would not be any life on Earth. However, it is rather humbling to...
View ArticleStar Constellations – What Are They?
Most people will have heard the term “constellation” and will know that it relates to patterns of stars in the sky. Many people will probably think of astrology and the “Signs of the Zodiac”, for...
View ArticleClik here to view.
SPA Meeting At SOAS, London University 25 October 2008
Astronomy trip out, yesterday Outside SOAS I travelled to London on the train, to attend the quarterly meeting of the SPA. These meetings are always held at SOAS (School of Oriental and African...
View ArticleEclipses And Other Occultations
Occultation is the term use to describe when one object in Space, passes in front of another object and in doing so, obstructs our view of it. We are familiar with occultations of the Sun and the...
View ArticleClik here to view.
Comet Lulin Images, Near Regulus In Leo
At last, the skies over Kent cleared last night for a few hours. I was finally able to photograph Comet Lulin. This is something of a relief… For the past three weeks, I’ve been making maps of...
View ArticleClik here to view.
Summer’s Here! Summer Triangle Of Stars Just Seen..
I have just photographed the “Summer Triangle” from my driveway, using a Canon DSLR camera. The three stars are low in the East, so we can rejoice.. summer has arrived! Summer Triangle Of Stars (click...
View Article
