3D Interactive Model
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Database Information Shipwreck American Union
Basic Information
Name(s) American Union
Registry US
Official Number 307
Vessel Type Bark, Barkentine, Schooner
Year Built 1862
Year Sank 1894
Hull Material Wood
Engines None
Dimensions
Length 186.5 ft
Width 33.2 ft
Depth 13.1 ft
Vessel History
Complete Historic Information Link – https://greatlakeships.org/2907653/data ; https://thunderbay.noaa.gov/shipwrecks/american-union.html
Wreck Site Information
Lake Huron
State or Province Michigan
Depth 20 ft
GPS Coordinates N45°21.412’ W83°35.368’
Site Description The site consists of a large portion of the bottom of the ship with keelson and one side, likely the starboard side. The centerboard trunk is attached to a broken section of the keelson and the centerboard protrudes from the trunk. The curved top and angled bottom of the centerboard is visible.
Model Information
Photographer
Photographer(s) Ken Merryman
Year Captured September 2024
Time it took to capture 40 min
Modeler Information
Modeler Ken Merryman
Date Completed 9-2024
Hours of input to complete 4 hrs
Technical Information
Photography
Camera – Canon 5d Mark IV in a Nauticam Housing with an 8” Dome Port
Lens – Canon EF Zoom 8-15mm set at 15 mm
Multi-Camera Rig – No
Camera Propulsion – DPV
Video or Stills – Stills
Number of images Submitted – 1,998
Image resolution (pixels) 6720 x4480
Lighting – Artificial & Natural
Number of lights – 4
Light Output Lumens 4×10,000
Model Information
Software Used Agisoft Metashape Professional Version 1.8.0 Build 13794
Data Format .jpg converted from RAW
Number of Source Images used – 1,913
Are these images original or adjusted; Adjusted
If Scale Bars, calibration length – 3.0 ft
Portion of the site covered: Complete
Publishing Restrictions
Licensing Usage Restrictions CC BY-ND
Attributed to: 3DShipwrecks.org
Resource Data in Database
Model Yes
Source Images Yes
Source CC .jpg
Number of Still Images 1,998
Video Clip None
Processing Report Yes
Camera Calibration .xml Yes