I wrote before I bought an Astra IIIb from Ebay for £120. When lockdown started I said I had to accomplish something and it was either lose weight or learn (or at least the basics) celestial navigation. Well that’s an easy choice… I think?

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I picked up an Astra IIIb sextant off Ebay for a bargain £120 a few months ago. Although I’ve not had a chance to take a sight I am very much looking forward to learning to use this fantastic piece of equipment!