3D Interactive Model
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Database Information Shipwreck Charles J. Kershaw
Basic Information
Name(s) Charles J. Kershaw
Registry US
Official Number 125251
Vessel Type Propeller
Year Built 1874
Year Sank 1895
Hull Material Wood
Engines None on site
Dimensions
Length 223 ft
Width 37 ft
Depth 20 ft
Vessel History
Complete Historic Information Link – https://greatlakes.bgsu.edu/item/436179 ; https://www.michiganpreserves.org/marquette-underwater-preserve/
Wreck Site Information
Lake Superior
State or Province Michigan
Depth 25 ft
GPS Coordinates 46°30.582’N 087°21.803’W
Site Description The shipwreck lies broken and flattened in shallow water. The portion of the wreck visible in the model is the forward portion of the port side. Two shelves, knees and the futtocks near the bow are visible in the model. The boiler is nearby but not in the model and was not seen at the time of the survey.
Model Information
Photographer
Photographer(s) Andrew Goodman
Year Captured August 2023
Time it took to capture 20 min
Modeler Information
Modeler Kayla Martin
Date Completed 3-2024
Hours of input to complete 3 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 – 938
Image resolution (pixels) 6720 x4480
Lighting – Artificial & Natural
Number of lights – 4
Light Output Lumens 2×10000, 2×5000
Model Information
Software Used Agisoft Metashape Professional Version 2.1.0 build 17532
Data Format .jpg converted from RAW
Number of Source Images used – 938
Are these images original or adjusted; Adjusted
If Scale Bars, calibration length – 3.0 ft
Portion of the site covered: Complete except for boiler
Publishing Restrictions
Licensing Usage Restrictions CC BY-ND
Attributed to: Andrew Goodman and Kayla Martin of 3DShipwrecks.org
Resource Data in Database
Model Yes
Source Images Yes
Source CC .jpg
Number of Still Images 938
Video Clip None
Processing Report Yes
Camera Calibration .xml Yes