ARCHENHOLD OBSERVATORY


The 'Archenhold Observatory' is an observatory in Berlin-Treptow. It has since 1896 a refractor telescope with a diameter of 68 centimetres of objective lens and a focal length of 21 metres. This telescope is the refractor telescope with longest focal length.

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★ Teleskopseminar der AG Orion Bad Homburg und der Astronomieschule Oliver Debus

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