Nobby is a rock at the southeast end of the Clerke Rocks

Clerke Rocks

The Clerke Rocks are a group of small rocky islands some southeast of South Georgia that extend from east to west. The Clerke Rocks include The Office Boys at the northeastern end and Nobby at the southeastern end of the group...

, lying some 40 nautical miles (70 km) east-southeast of the southeast end of South Georgia. The Clerke Rocks were discovered by Captain James Cook

James Cook

Captain James Cook, FRS, RN was a British explorer, navigator and cartographer who ultimately rose to the rank of captain in the Royal Navy...

 in 1775. Nobby was probably given this descriptive name by DI

Discovery Investigations

The Discovery Investigations were a series of scientific cruises and shore-based investigations into the biology of whales in the Southern Ocean. They were funded by the British Colonial Office and organised by the Discovery Committee in London, which was formed in 1918...

personnel, who made surveys of the South Georgia area in the period 1926-30.