Chart correction N52/23 — chart 44042
44042 9Ed. 01/16/21 LAST NM N47/23 N52/23 Delete Buoys (4) in vicinity 57°44′24.8″N 11°37′41.0″E Submarine cable between 57°37′12.6″N 11°46′52.6″E 57°37′24.8″N 11°46′53.5″E Submarine cable between 57°37′09.9″N 11°45′51.4″E 57°37′14.5″N 11°45′35.9″E Substitute Dangerous submerged rock [K13] for rock awash 57°41′21.9″N 11°46′21.4″E Add Rock awash [K12] 57°41′23.5″N 11°46′20.2″E (982(17891), 990(17993), 991(18134)23 Norrkoping)
Source: NGA U.S. Notice to Mariners · edition: 9Ed. 01/16/21
Reference information — always verify against official Notices to Mariners before navigation.