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benbarter
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Hi guys, I discovered this astrophotography website today, it is a program to present a collection of world landmarks against celestrial attractions. there are some amazing photographs in the gallery. it is www.twanight.org enjoy Ben:)
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Hi,
I started out with a 76mm Newtonian scope last year, but was only satisfied with looking at the moon (everything else was a blur), so I sold it on - I have now got the bug again - but have narrowed it down to 3 or 4 scopes, a skywatcher 200p reflector (1000mm focal length), a Skywatcher 150p reflector (750mm focal length), a Skywatcher 150p (1200mm focal length), or a smaller 114mm synscan reflector.
I have read the FAQ about newbies starting out using binoculars for a year.
I can upgrade the Skywatchers after a year or so with a synscan kit.
the main question is whats the difference between the 2 150mm scopes with different focal lengths, I have done all the maths and it seems the 150p with 1200mm length has more magnification than the 200p and the shorter 150p , but I dont understand what the difference is.
Apologies for such a long first blog from a newbie, but I'm sure I'm not the first.
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