NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: NG's "Midnight Fun"
From: UNK
Date: 2010 Jun 11, 02:03 +0000
From: UNK
Date: 2010 Jun 11, 02:03 +0000
Frank Reed wrote: > > Given the latitude of 87.5 N and estimating the minimum altitude of > the Sun at midnight from the photo, I figure the date to be around > July 25, assuming it's after the solstice. > You meant to say 78.5. At any rate, how do you do this? How do you explain the steadily increasing sun diameter towards the sides of the picture? Herbert Prinz