Captain's starlog

The captain's starlog was the title given to the captain's log by Earth Starfleet in the mid-22nd century. The commanding officer was the only officer who used this starlog. Those acting as captain used an acting captain's starlog. 

The Captain's starlog of the was recorded by famed Captain Jonathan Archer from 2151 to at least 2155. 

The Captain's Starlog of the ISS Enterprise (NX-01) was recorded by Captain Maximilian Forrest in January, 2155.