Chart correction N45/23 — chart 44042
44042 9Ed. 01/16/21 LAST NM N44/23 N45/23 Delete Dashed-line area and legend "Spoil Ground" in vicinity 57°36′36.0″N 11°34′45.0″E Change Sectors of light "Donsohuvud" to green 180°- 191.5°, white-195°, red-315°, green-022°, white-025°, red-045° 57°35′40.0″N 11°49′00.1″E Add "Spoil Ground" area [N62.1] bound by dashed line joining 57°37′29.6″N 11°34′09.3″E 57°37′16.4″N 11°34′35.3″E 57°37′04.4″N 11°34′14.6″E 57°36′41.2″N 11°34′56.9″E 57°36′14.4″N 11°34′01.6″E 57°35′54.7″N 11°33′52.5″E 57°35′54.4″N 11°32′54.7″E 57°37′02.6″N 11°33′18.2″E "Disused Spoil Area" [N62.2] bound by dashed line joining 57°37′13.8″N 11°34′30.8″E 57°37′04.4″N 11°34′14.6″E 57°36′41.2″N 11°34′56.9″E 57°36′19.7″N 11°34′12.4″E 57°35′57.7″N 11°35′01.9″E 57°36′34.2″N 11°36′00.0″E (985(17903, 17933)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.