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Author Archives: Frank Bonner
Variable Stars
At the inaugural meeting of the Costa Blanca Astronomy Society Christine Ord gave a very interesting presentation on Variable Stars. Christine pointed out that there are currently 43,000 known variable stars with 14,000 of them in need of further observation … Continue reading
Posted in astronomy, Variable Stars
Tagged Astronomy, Binary star, Brightness, Cepheid variable, Costa Blanca, Mira, Star, Variable star
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FETTSS Update
The October meeting was given a further update on the progress of this project. Further progress has been made on staging the FETTSS exhibition. Agreement has been reached to run the exhibition at Portal de La Marina Shopping centre during … Continue reading
Using the site
The site is fully open and no password is needed. We hope you enjoy using this site. This note gives a brief explanation of what can be found where.
Posted in Uncategorized
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Awayday 2011 September Report
Awayday – Christine Ord We had a great time on the awayday this year again. The hotel had its third manager in 3 years and so I had to explain again what we wanted to do and ask about turning … Continue reading
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How do they know the age of stars
The question that Frank answers this month is :- Q. How do we know how old a star or galaxy is? (Christine) This is actually two different questions with two different answers. I don’t have space to deal with them … Continue reading
Posted in astronomy, Newsletter
Tagged Earth, Hertzsprung–Russell diagram, Hydrogen, Interstellar medium, Main sequence, Nuclear fusion, Stars, Stellar evolution, Sun
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Interesting Websites
Interesting websites From Christine Ord :This website still has the video of the aurora taken by the ISS astronauts. But if you want to see it, take a look quickly as they add new articles every day. This site also … Continue reading
What to see in October
By Mike Glazier It seems to have been a long hot summer and the heat was certainly felt during the trek in the mountains which took place over the two away days in Benimaurell! There are many people whose efforts … Continue reading
Posted in Newsletter, Observing
Tagged Moon, Observing, Stars
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FETTSS Project
The FETTSS project is an initiative by NASA to get high quality photographs of the Solar System on show across the world. Whilst NASA provides the photos local organisations have to raise the funds and stage the exhibitions. We have … Continue reading