NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: Greg Rudzinski
Date: 2011 Apr 5, 18:51 -0700
The linked image was taken today at UT 00:57:04 4/6/2011
A.P. Lat. 34* 10.4' Lon. 119* 13.8' H.E. 8 ft.
Horizon to upper limb measures 2683 pixels
Minutes of arc per pixel is .37531 (see graph)
2683 x .37531 = 1007.0' = 16* 47.0'
Azimuth 266.4*
Intercept 0.1' away
Camera settings: ISO 400, F 8, 1/750s, infinite focus
The solar film is looking very good in trials.
@ Jeremy-you really have to try this technique. I'll even cut some film for you. Work off my graph and make up a correction table to use with your lens.
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