Welcome to the NavList Message Boards.

NavList:

A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding

Compose Your Message

Message:αβγ
Message:abc
Add Images & Files
    Name or NavList Code:
    Email:
       
    Reply
    Re: GMT from Moon and Body Observed Altitudes...??
    From: Ron Jones
    Date: 2019 Feb 19, 10:57 -0800

    On 2019 Feb 18, 13:25 -0800 Paul Hirose wrote:
    How do you get (ZnMoon – ZnBody)? It's dependent on time and location, so a calculated value won't do.

    The equation only depends on the difference in azimuth, therefore a pelorus could be used to find (ZnMoon – ZnBody) to within ±0.5°

       
    Reply
    Browse Files

    Drop Files

    NavList

    What is NavList?

    Get a NavList ID Code

    Name:
    (please, no nicknames or handles)
    Email:
    Do you want to receive all group messages by email?
    Yes No

    A NavList ID Code guarantees your identity in NavList posts and allows faster posting of messages.

    Retrieve a NavList ID Code

    Enter the email address associated with your NavList messages. Your NavList code will be emailed to you immediately.
    Email:

    Email Settings

    NavList ID Code:

    Custom Index

    Subject:
    Author:
    Start date: (yyyymm dd)
    End date: (yyyymm dd)

    Visit this site
    Visit this site
    Visit this site
    Visit this site
    Visit this site
    Visit this site