NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Nautical Almanac clarification
From: Greg R_
Date: 2007 Mar 9, 13:23 -0800
>
> Having just started celestial I have greatly enjoyed what I have
> learned so far. It is extremely enjoyable to take sights, reduce them
> and actually end up where you know you are. This summer I will
> actually get to use this tool on blue water which should be a lot of
> fun.
>
> In the nautical almanac there are numbers in the column headings next
> to Venus, Mars, Jupiter and Saturn. For instance for today they are
> -3.9, +1.2, -2.1, +0.1 respectively. I have not found an explanation
> for what these numbers are for. Can anyone help me out? Thanks
>
>
>
>
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From: Greg R_
Date: 2007 Mar 9, 13:23 -0800
Hi Gary:
Welcome to the world of celnav, and welcome to
the NavList.
> In the nautical almanac there are numbers in
the column headings next
> to Venus, Mars, Jupiter and Saturn. For instance for today they are
> -3.9, +1.2, -2.1, +0.1 respectively. I have not found an explanation
> for what these numbers are for. Can anyone help me out? Thanks
> to Venus, Mars, Jupiter and Saturn. For instance for today they are
> -3.9, +1.2, -2.1, +0.1 respectively. I have not found an explanation
> for what these numbers are for. Can anyone help me out? Thanks
Those are
magnitude (i.e. "brightness") values for the planets. Larger numbers = fainter
objects, while smaller numbers = brighter (with Venus and Jupiter
literally being "off the scale" at -3.9 and -2.1). You should find similar entries for the "Selected Stars" on the yellow
bookmark page.
--
GregR
----- Original Message -----
From: "Gary" <gary.graul@bunge.com>
To: "NavList" <NavList@fer3.com>
Sent: Friday, March 09, 2007 12:44
PM
Subject: [NavList 2266] Nautical Almanac
clarification
> Having just started celestial I have greatly enjoyed what I have
> learned so far. It is extremely enjoyable to take sights, reduce them
> and actually end up where you know you are. This summer I will
> actually get to use this tool on blue water which should be a lot of
> fun.
>
> In the nautical almanac there are numbers in the column headings next
> to Venus, Mars, Jupiter and Saturn. For instance for today they are
> -3.9, +1.2, -2.1, +0.1 respectively. I have not found an explanation
> for what these numbers are for. Can anyone help me out? Thanks
>
>
>
>
--~--~---------~--~----~------------~-------~--~----~
To post to this group, send email to NavList@fer3.com
To unsubscribe, send email to NavList-unsubscribe@fer3.com
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