For a one-eyed view of the universe: Sir Patrick Moore's monocle under hammer
A monocle worn by the late television astronomer Sir Patrick Moore is to be auctioned alongside several of his globes.
The stargazer, who died aged 89 in 2012, was well-known for squinting through the lens of his monocle while presenting the long-running BBC show The Sky At Night.
Now one of Sir Patrick's monocles, which is attached to a piece of red string, is to go under the hammer after being valued at between £500 and £800.
Sir Patrick, who endeared viewers with his super-fast delivery, started wearing monocles as a teenager, and they later became part of his public persona.
Several globes belonging to the star, who lived in Selsey, West Sussex, are also set to sell at Christie's travel, science and natural history auction in London on October 8.
A 19th Century Troughton & Simms transit telescope valued at up to £5,000 and autograph manuscripts and scientific logbooks are among other items featured.
And the collection also includes a 1966 panoramic Nasa picture of the lunar crater dubbed "the picture of the century" by Life magazine which has been valued at up to £9,000.
James Hyslop, Christie's head of travel, science and natural history, has predicted the auction will draw worldwide interest.
He said: "The auction is expected to attract international interest, appealing to collectors of astronomy through to dedicated viewers of the BBC's Sky At Night."