NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Digital Image CN Exercise
From: Marcel Tschudin
Date: 2010 Apr 3, 23:53 +0300
From: Marcel Tschudin
Date: 2010 Apr 3, 23:53 +0300
The date doesn't seem to be correct. Or, did you use a tele which zooms in the future? Marcel On Sat, Apr 3, 2010 at 8:26 PM, Greg Rudzinskiwrote: > Given for linked Sun digital image: > > aLat 34� 10' N aLon 119�14' W > UTC 01:57:41 on 3April 2010 > Height of eye 13 ft. > Total pixels from horizon to upper limb is 2468 > Minutes of arc per pixel is .097' > > 1. What is the U.L. altitude (Hs), azimuth, and intercept ? > 2. What is the magnetic bearing to the oil platform ? > 3. Name the platform. > > Sun image taken with 10mp Canon Rebel, 200mm fixed telephoto, ISO 200, > 1/250s, f11, using double circular polarizers covering the Sun. > > GRudzinski > ---------------------------------------------------------------- > NavList message boards and member settings: www.fer3.com/NavList > Members may optionally receive posts by email. > To cancel email delivery, send a message to NoMail[at]fer3.com > ---------------------------------------------------------------- > > >