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    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:-)
    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.
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