
thumb|upright=1.5|1890 map of Alderney, with Ortac thumb|upright=1.5|18th century map of Alderney, with drawing of Ortac right|thumb|upright=1.5|Ortac seen from above Clonque Bay, Alderney
thumb|upright=1.5|1890 map of Alderney, with Ortac thumb|upright=1.5|18th century map of Alderney, with drawing of Ortac right|thumb|upright=1.5|Ortac seen from above Clonque Bay, Alderney
Ortac is a small uninhabited islet about west of the coast of Alderney near to the islet of Burhou. It measures roughly , and rises above the sea level.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).