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» Online Classroom   » Celestial Navigation   » Public Discussion of Cel Nav   » Lake Michigan Elevation

   
Author Topic: Lake Michigan Elevation
Dan Cline


 - posted November 11, 2005 10:38 AM      Profile for Dan Cline           Edit/Delete Post 
I sail on Lake Michigan, and due to the large size of the lake, there is a true horizon. However, the lake is approximately 577 feet above sea level. I believe this means that the horizon is slightly farther away than it would be at sea level.

Should one use a correction factor for sights taken on Lake Michigan or is the difference insignificant?

From: Midland, MI
David Burch


 - posted November 11, 2005 05:04 PM      Profile for David Burch           Edit/Delete Post 
No, in this case no special corrections are required. Just measure eye height from eye level to water level and use that for HE in the normal procedures.
From: Starpath, Seattle, WA


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