Sunday 11 July 2021

Egypt, Halley's comet and a Cooke


On January 24th, 25th, 27th and 28th 1910 Halley’s Comet was photographed by Mr Knox-Shaw at the Helwan observatory in Egypt using a 4 inch Thomas Cooke & Sons telescope. The photographs showed the twin tails and southerly secondary tail.

The Cooke telescope was attached to a 30 inch reflector that had been purchased in 1902, the reflector was made by A A Common.

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