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: Longitude of Greenwich Observatory
    From: Robert Gainer
    Date: 2005 Dec 18, 09:47 -0500

    Dr. Wolfgang Koberer,
    She arrived in Jolly Harbor, Antigua on December 10th so it would be difficult 
    to see her alongside the Cutty Sark right now.
    Robert Gainer
    
    >
    > From: "Dr. Wolfgang Koberer"               
    > Date: 2005/12/18 Sun AM 04:30:39 EST
    > To: NAVIGATION-L@LISTSERV.WEBKAHUNA.COM
    > Subject: AW: Longitude of Greenwich Observatory
    >
    > And to the left you can see "Gipsy Moth IV" - the yacht that Sir Francis
    > Chichester sailed around the world - in her concrete berth. She has recently
    > been restored and returned to the place right next to "Cutty Sark". There is
    > a website www.gipymoth.org where you can read more.
    >
    > Wolfgang Koberer
    > (Another Google Earth addict)
    >
    > -----Ursprungliche Nachricht-----
    > Von: Navigation Mailing List
    > [mailto:NAVIGATION-L@LISTSERV.WEBKAHUNA.COM]Im Auftrag von Frank Reed
    > Gesendet: Sonntag, 18. Dezember 2005 05:56
    > An: NAVIGATION-L@LISTSERV.WEBKAHUNA.COM
    > Betreff: Longitude of Greenwich Observatory
    >
    >
    > When you visit the old Royal Greenwich  Observatory, you can stand in line
    > with the transit instrument's  building and put one foot on either side of a
    > stripe in the paving stones  and get your photo taken "with one foot in East
    > longitude and one foot in West".  My question is, with various revisions and
    > refinements in the geodetic system,  is that precisely true today? That is,
    > does
    > zero degrees longitude still pass  right through that transit instrument's
    > original mounting point by  definition?
    >
    > For fans of Google Earth (and if you're not a fan, you will  become one when
    > you try it out!), the longitude displayed for this location is  0d 0' 05.36"
    > W. Pretty close to zero, and I assume that the difference is  nothing more
    > than
    > the usual difficulty of registering aerial photography exactly  in lat/lon,
    > but maybe the old RGO is drifting... By the way, if you go down to  the
    > river
    > from here in Google Earth, you can see the spars and even the shadows  of
    > the
    > shrouds on Cutty Sark.
    >
    > If you want Google  Earth:
    > http://earth.google.com/
    >
    > And coincidentally, the lead story on  Sky & Telescope's web site this week
    > is about the renovations and expansion  of exhibits at Greenwich:
    > http://skyandtelescope.com/
    >
    > -FER
    > 42.0N  87.7W, or 41.4N 72.1W.
    > www.HistoricalAtlas.com/lunars
    >
    
    
    

       
    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