Sirius in unmistakable because of it’s brilliancy, which far exceeds that of any other star. The three members of Orion’s belt point almost directly to it. Apart from Alpha Centauri, which never rises over Britain, Sirius is the closest of the really bright stars. In reality it is not outstanding, even though it is 26 times as luminous as the sun. It...
Read MoreConstellation of the Month January : Orion
Orion is truly magnificent. Two of its stars, Rigel and Betelgux, are of the first magnitude. Rigel is almost pure white, while Betelgeux is a glorious orange-red, and is a fine sight in binoculars. Betelgeux has a diameter of some 250,000,000 miles, so that it’s vast globe could contain the entire orbit of the Earth round the Sun. Star Visual...
Read MoreConstellation of the month December : Taurus
Taurus is easy to find. It’s chief star, Aldebaran is lined up with Orions belt, Amd is identifiable both because of it’s brightness and because of it’s strong reddish hue, which resembles that of Betelgeux. The constellation abounds in spectacular objects. Star Visual Magnitude Spectrum Absolute Magnitude Distance (Lt Years) Aldebaran 0.86...
Read MoreConstellation of the Month October : CASSIOPEIA
CASSIOPEIA Together with Segin (magnitude 3.4) these stars make up the familiar ‘W’ shape of this constellation. Alioth and Polaris act, as pointers to it, but it is so distinctive that it will be recognized without a slightest difficulty. Star Visual Magnitude Spectrum Absolute Magnitude Distance (Lt...
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