No'Mat (also known as Omicron Leonis) was a trinary star system, visible from Sol in the Leo constellation at about 116 light years' distance, located in the space of the Klingon Empire. The system was located in the Qo'noS sector, close to the territory where Boreth was situated. No'Mat consists of a F class star primary that was associated in proximity with a G class star and a A class star. (ST reference: Star Charts)