Re: [Nml] Index error check & Question
Subject: Re: [Nml] Index error check & Question
From: Rick Emerson (rick@XXX.XXX)
Date: Sat Dec 12 1998 - 18:40:46 EST
WSMurdoch@XXX.XXX writes:
> In a message dated 12/12/98 2:01:27 PM EST, rick@XXX.XXX writes:
> << The question, then, is where is the extra 1.5' or 2.0' coming from and why
> does it vary from one instrument to the other? >>
>
> Are you perhaps watching the semidiameter of the sun changing ? For instance
> on August 25 the Nautical Almanac lists the sun's semidiameter as 15.8' and
> today, December 12, it lists the semidiameter as 16.3'. Were both
> observations taken on the same day ?
That's a good point but... The initial sights were taken within
several minutes of each other and then re-checked within a minute or
two of each other. In short, this is not an issue of the distance
from the Earth to the Sun.
Rick
S/V One With The Wind, Baba 35
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=--=-=
=-= TO UNSUBSCRIBE, send this message to majordomo@XXX.XXX: =-=
=-= unsubscribe navigation =-=
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=--=-=
