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Fact sheets 

These sheets are provided as a guide only. If in doubt, or you have any further questions, please phone us on (01903) 247317

Information sheet on planetary filters.

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Rough Polar Alignment 

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Polar Alignment

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How to hold Binoculars 

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Naming Stars ?

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Prime Focus Astrophotography 

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Collimating Newtonian telescopes Click Here
Averted Vision

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Telescope Designs 

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Please note that all the factsheets on this page require Acrobat Reader, which is available for download HERE. Also, they are best viewed after saving them to your computer. To do this, RIGHT-CLICK on the link provided and choose 'Save Target As' from the menu that appears.

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E & O E - 2007 Sussex Astronomy Centre