3D Interactive Model

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Database Information Shipwreck John and Alex

Basic Information

Name(s)  John and Alex
Registry  CA
Official Number  
Vessel Type Fish Tug
Year Built 1924
Year Sank
Hull Material Wood
Engines None


Length 59 ft
Width   ft
Depth   ft

Vessel History

Complete Historic Information Linkhttps://www.diversden.ca/the-tugs/ ; https://twitter.com/blueheroncomp/status/596347884972433409?lang=en

Wreck Site Information

Lake Huron
State or Province Ontario
Depth 15′ to 40′
GPS Coordinates 45° 15.501′  N 081° 39.662′ W
Site Description The wreck is mostly disarticulated wreckage although there are intact portions of the bottom and sides of the ship. The John & Alex is one of four tug wrecks that can be dived from shore from a dive platform complete with changing facilities in Little Tub Harbor.

Model Information


Photographer(s) Andrew Goodman
Year Captured July 2022
Time it took to capture 10 min

Modeler Information

Modeler Ken Merryman
Date Completed 1-2023
Hours of input to complete 6 hrs

Technical Information


Camera – Canon 5d Mark IV in a Nauticam Housing with an 8” Dome Port
Lens – Canon EF Zoom 8-15mm set at 15 mm
Sensor – 36.0 x24.0mm Cmos 30.4 megapixel
Multi-Camera Rig – No
Camera Propulsion – DPV
 Video or Stills – Stills
Number of images Submitted – 583
Image resolution (pixels) 6720 x4480
Lighting – Artificial & Natural
Number of lights – 4
If known Kelvin Temperature CRI 90
Light Output Lumens 2×10000, 2×5000

Model Information

Software Used Agisoft Metashape Professional Version 1.8.0 Build 13794
Data Format .jpg converted from RAW
Number of Source Images used – 583
Are these images original or adjusted; Adjusted
If Scale Bars, calibration length – 
Portion of the site covered: Complete

Publishing Restrictions

Licensing Usage Restrictions CC BY-ND
Attributed to:
Andrew Goodman for 3DShipwrecks.org

Resource Data in Database

Model  Yes
Source Images  Yes
Source CC .jpg
Number of Still Images 583
Video Clip None
Processing Report Yes
Camera Calibration .xml Yes