3D Interactive Model
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Database Information Shipwreck Alta
Basic Information
Name(s) Alta
Registry US
Official Number 106266
Vessel Type Schooner
Year Built 1884
Year Sank 1905
Hull Material Wood
Engines None
Dimensions
Length 198 ft
Width 37 ft
Depth 16 ft
Vessel History
Complete Historic Information Link – https://greatlakeships.org/2894120/data?n=2 ; https://greatlakesrex.wordpress.com/alphabetical-shipwreck-list/a/
Wreck Site Information
Lake Superior
State or Province Michigan
Depth 20 ft
GPS Coordinates 46° 28.353′ N 086° 36.372′ W
Site Description The section in the model is just a portion of the bottom of the ship containing the frames and keelson. There does appear to be more wreckage in slightly deeper water near this piece of the ship.
Model Information
Photographer
Photographer(s) Andrew Goodman
Year Captured August 2023
Time it took to capture 15 min
Modeler Information
Modeler Ken Merryman
Date Completed 11-2023
Hours of input to complete 2 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
Sensor – 36.0 x24.0mm Cmos 30.4 megapixel
Multi-Camera Rig – No
Camera Propulsion – DPV
Video or Stills – Stills
Number of images Submitted – 640
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 – 640
Are these images original or adjusted; Adjusted
If Scale Bars, calibration length – 0.9144
Portion of the site covered: Partial
Publishing Restrictions
Licensing Usage Restrictions CC BY-ND
Attributed to: Andrew Goodman and 3DShipwrecks.org
Resource Data in Database
Model Yes
Source Images Yes
Source CC .jpg
Number of Still Images 640
Video Clip None
Processing Report Yes
Camera Calibration .xml Yes