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
    or...
       
    Reply
    Re: Ageton Classic Sight Reduction Table Prototype
    From: Greg Rudzinski
    Date: 2015 Oct 26, 10:48 -0700

    Stan,

    Attached is a Sun Hc reduction done today showing a side by side single column reduction using a trig calculator and the Ageton Classic method. Hope this helps.

    Greg Rudzinski

    From: Stan K
    Date: 2015 Oct 25, 21:15 -0400

    Greg,
    Ageton-Bayless method is exactly the same as the Ageton method, but the tables have been compacted by 1) "Entries for half-minutes of arc have been deleted..."; and 2) "The numerical duplication of the second half of Ageton's Table has been eliminated..."  This results in a nine page table, rather than the 36 page table of the original H.O. 211 (which I thought was already pretty compact).
    However, your method works differently than the Ageton (or Ageton-Bayless) that I am familiar with.  Attached is a screen shot of the Celestial Tools "Ageton Compact" output using the input data from your example and the format right out of the book.  Yours seems simpler, and does not involve a K value.  Only one of the table values is the same in both methods.  Apparently I do not yet understand how you are doing it, and my head already hurts, so please walk me through when you get a chance.
    (BTW, I noticed that there are two different values of Hc on the index card.)
    Stan


    File:



       
    Reply
    Browse Files

    Drop Files

    NavList

    What is NavList?

    Join NavList

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

    You can also join by posting. Your first on-topic post automatically makes you a member.

    Posting Code

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

    Email Settings

    Posting 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