Welcome to the NavList Message Boards.

NavList:

A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Position-Finding

Compose Your Message

Message:αβγ
Message:abc
Add Images & Files
    or...
    Re: Online sight reduction and a question to Frank
    From: Alexandre Eremenko
    Date: 2012 Mar 19, 21:01 -0400

    Thanks, Gary.
    Very convenient. I had to reduce about 30 sights, see my next message:-)
    
    Alex
    
    On Mon, 19 Mar 2012, Gary LaPook wrote:
    
    >
    > Try this link:
    >
    > http://aa.usno.navy.mil/data/docs/celnavtable.php
    >
    > gl
    >
    > --- On Mon, 3/19/12, Alexandre Eremenko  wrote:
    >
    > From: Alexandre Eremenko 
    > Subject: [NavList] Online sight reduction and a question to Frank
    > To: NavList---org
    > Date: Monday, March 19, 2012, 3:28 PM
    >
    > 1. Does there exist a free online sight reduction calculator?
    > Of the type Frank has for the Lunars.
    > You input GMT, Long and Lat, and it gives you the Sun altitude.
    > I remember such things existed in the past...2. Question to Frank: I tried 
    to use your calculator for this purpose.
    > It indeed computes the altitude. I input some random Lunar distance,
    > I only need Sun's or Venus's altitude.
    > Is this for the center of the Sun/Venus with no refraction correction?
    > Or what? And is the accuracy of this altitude 0'1 for the present time 
    (2012)?I tried to reduce one or two altitudes manually, the result disagrees
    > with Frank's calculator altitude by few minutes.Alex.
    > ----------------------------------------------------------------
    > NavList message boards and member settings: www.fer3.com/NavList
    > Members may optionally receive posts by email.
    > To cancel email delivery, send a message to NoMail[at]fer3.com
    > ----------------------------------------------------------------
    >
    >
    >
    > View and reply to this message: http://fer3.com/arc/m2.aspx?i=118403
    >
    >
    >
    
    
    
    

    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