A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: Frank Reed
Date: 2016 Jun 9, 12:53 -0700
Brad Morris, you wrote:
"Which implies a measurement good to +/-0.1°."
Yes, I would say that's spot on. Given the other uncertainties involved in firing the ascent engine, a pointing accuracy around a tenth of a degree was good enough for a backup mode.