archive: SETI Re: Help with apparent positions of stars

SETI Re: Help with apparent positions of stars

Larry Klaes ( lklaes@bbn.com )
Wed, 26 May 1999 10:37:18 -0400

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>Date: Wed, 26 May 1999 11:15:05 +0100
>Reply-To: History of Astronomy Discussion Group <HASTRO-L@WVNVM.WVNET.EDU>
>Sender: History of Astronomy Discussion Group <HASTRO-L@WVNVM.WVNET.EDU>
>From: Thomas Schmidt <schmidt@HOKI.IBP.FHG.DE>
>Organization: Institut fuer Bauphysik
>Subject: Re: Help with apparent positions of stars
>To: HASTRO-L@WVNVM.WVNET.EDU
>
>Peter Broughton wrote:
>...
>> Other than writing my own programs using formulas in such
sources as
>> Woolard and Clemence, or Explanatory Supplement to the Astronomical
>> Almanac, etc. could anyone suggest a less painful alternative?
>...
>
>If it is not too painful to pay a few dollars, you might consider
>purchasing a commercial product which can do all that _and_ has
>the virtue of being thoroughly tested.
>
>For example, GUIDE 7.0 has a very moderate price and offers all
>the accuracy and precision that's available.
>See
> http://www.projectpluto.com/accuracy.htm#stellar
>and
> http://www.projectpluto.com/accuracy.htm#planetary
>for details.
>
>Especially for occultations, GUIDE has a very useful feature:
>you select two objects (e.g. the moon and a star) and let
>GUIDE look for conjunctions, which in this case may result in
>an occultation. It can display the path of the occultation
>on a map. With the mouse you can select a specific geographical
>location on the map and have the times of first contact, conjunction
>and second contact displayed. Can it be more convenient? :)
>
>--
> -------------------------------------------------------------------
> Thomas Schmidt e-mail : schmidt@hoki.ibp.fhg.de
>