Chart correction N19/23 — chart 37226
37226 19Ed. 03/09/13 LAST NM N13/23 N19/23 Delete Depth 8 meters 53°57′51″N 8°37′10″E Buoy and legend "ODAS" 53°58′05″N 8°36′00″E Buoy and legend "ODAS" 53°56′45″N 8°39′29″E (See N21/21, N13/23) Add Depth 7.4 meters 53°57′55″N 8°36′49″E Depth 7.5 meters 53°57′51″N 8°37′08″E Depth 9.8 meters 53°57′28″N 8°38′13″E and extend depth contour (10-meter) SW to enclose (15(1220), 16(1220, 1610)23 Hamburg)
Source: NGA U.S. Notice to Mariners · edition: 19Ed. 03/09/13
Reference information — always verify against official Notices to Mariners before navigation.