Sisson Rock (, ) is the rock off the north coast of Livingston Island in the South Shetland Islands, Antarctica long in west-east direction and wide, and split in three. Its surface area is . The vicinity was visited by early 19th-century sealers.L. Ivanov. General Geography and History of Livingston Island. In: Bulgarian Antarctic Research: A Synthesis. Eds. C. Pimpirev and N. Chipev. Sofia: St. Kliment Ohridski University Press, 2015. pp. 17–28
The feature is named after Jonathan Sisson (1690–1747), a British instrument maker who invented the modern theodolite for surveying; in association with other names in the area deriving from the early development or use of geodetic instruments and methods.
Location Sisson Rock is located at ,Bulgarian Antarctic Gazetteer. Antarctic Place-names Commission which is 2.26 km northeast of Essex Point, 800 m west of Window Island and 1.5 km north of Voyteh Point, according to mapping in 2009 and 2017.
See also List of Antarctic and subantarctic islands
Maps Livingston Island to King George Island. Scale 1:200000. Admiralty Nautical Chart 1776. Taunton: UK Hydrographic Office, 1968 South Shetland Islands. Scale 1:200000 topographic map No. 3373. DOS 610 - W 62 58. Tolworth, UK, 1968 L. Ivanov. Antarctica: Livingston Island and Greenwich, Robert, Snow and Smith Islands. Scale 1:120000 topographic map. Troyan: Manfred Wörner Foundation, 2010. (First edition 2009. ) L. Ivanov. Antarctica: Livingston Island and Smith Island. Scale 1:100000 topographic map. Manfred Wörner Foundation, 2017. Antarctic Digital Database (ADD). Scale 1:250000 topographic map of Antarctica. Scientific Committee on Antarctic Research (SCAR). Since 1993, regularly upgraded and updated
Notes
References Bulgarian Antarctic Gazetteer. Antarctic Place-names Commission. (details in Bulgarian, basic data in English)
External links Sisson Rock. Adjusted Copernix satellite image