A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: Paul Dolkas
Date: 2016 Aug 18, 21:35 -0700
Much better to go with red. Won’t screw up your night vision for star sights. I put one in my sainted Davis to read the micrometer scale and two in the Link 12.
From: NavList@fer3.com [mailto:NavList@fer3.com] On Behalf Of Dale Bletso
Sent: Thursday, August 18, 2016 9:44 AM
Subject: [NavList] Re: LED conversion Astra IIIB
As sights are taken in twilight I picked blue. Astra IIIb uses a white light as does my Davis.