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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Sun Moon Lunars to 155 degrees
From: Paul Hirose
Date: 2010 Apr 03, 23:38 -0700
From: Paul Hirose
Date: 2010 Apr 03, 23:38 -0700
Antoine Couette wrote: > indefinitely, which means different Number Crunchers can use different > delta-T values, and That's an annoying problem with the JPL HORIZONS online calculator. I often use it to test my software. HORIZONS takes delta T and polar motion into account, but does not tell you the values it's using. So, when there's a discrepancy, I'm never sure if it's due to a small difference in the Earth orientation parameters. --