3D Interactive Model
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Database Information Shipwreck Grace A. Channon
Basic Information
Name(s) Grace A. Channon
Registry US
Official Number 85309
Vessel Type Canal Schooner
Year Built 1873
Year Sank 1877
Hull Material Wood
Engines None
Dimensions
Length 141 ft
Width 26 ft
Depth 12 ft
Vessel History
Complete Historic Information Link – https://www.wisconsinshipwrecks.org/Vessel/Details/243?region=Index ; https://greatlakeships.org/2907322/data?n=1
Wreck Site Information
Lake Michigan
State or Province Wisconsin
Depth 205 ft
GPS Coordinates 42° 55.77′ N 087° 36.12′ W
Site Description The model was created from archival photomosaic video from 2008 which shows a relatively intact hull and aft cabin. The masts and piles of wire rigging are on site but not standing. There is evidence of the damage from the collision on the port bow. The site contains two wood stock anchors, catheads, windlass, rudder steering machinery, capstan, centerboard winch, bilge pump, the posts from the mainmast fife rail, and aft cabin with partial roof.
Model Information
Photographer
Photographer(s) Keith Meverden of Wisconsin Historical Society working with Woods Hole Oceanographic Institution
Support Evan Kovacs, Tamara Thomsen
Year Captured July 2008
Time it took to capture 40 min
Modeler Information
Modeler Ken Merryman
Date Completed 3-2023
Hours of input to complete 6 hrs
Technical Information
Photography
Camera –
Lens –
Sensor –
Multi-Camera Rig – No
Camera Propulsion – DPV
Video or Stills – Video
Number of images Submitted – 2,424
Image resolution (pixels) 1080 x 1920
Lighting – Artificial & Natural
Number of lights –
If known Kelvin Temperature
Light Output Lumens
Model Information
Software Used Agisoft Metashape Professional Version 1.8.0 Build 13794
Data Format .jpg converted from RAW
Number of Source Images used – 2,064
Are these images original or adjusted; Adjusted
If Scale Bars, calibration length –
Portion of the site covered: Photomosaic view of deck
Publishing Restrictions
Licensing Usage Restrictions CC BY-ND
Attributed to: Keith Meverden of WHS in cooperation with WHOI
Resource Data in Database
Model Yes
Source Images Yes
Source CC .jpg
Number of Still Images 2,424
Video Clip None
Processing Report Yes
Camera Calibration .xml Yes