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: Cel nav in space
    From: Bill B
    Date: 2005 Jan 4, 19:31 -0500

    > Do you know the story of the manually-oriented rocket burn on the flight of
    > Apollo 13? It was depicted in the movie. That spacecraft had a "sextant" which
    > was intended to be used in emergency circumstances. This sextant was really
    > intended for orienting the spacecraft, not so much for fixing position. In a
    > real emergency, it proved to be useless because the vehicle was surrounded by
    > a field of artificial stars --little bits of debris from the explosion-- which
    > made it impossible to pick out the real stars. Fortunately, in training
    > someone had thought of using the Earth for orientation, so that's what they
    > did.
    
    I faintly recalled that, but only am aware of the movie version and even
    then memory is foggy.  Do you know/recall what and how the sextant was to be
    used and what positional information could be extracted?
    
    Thanks
    
    Bill
    
    
    

       
    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