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Ladies and Gentlemen,

The lunar distance has been a frequent topic here on Nav-L with numerous
interrelated discussions appearing over the last couple of years. I have
put together a website that I hope will make it easier for those of us
interested in lunars to find all the various postings, articles and
resources that have been mentioned in these discussions.

www.LD-DEADLINK-com is intended to be a starting point for those just
getting started with lunars and a reference site where more experienced
lunarians can find in-depth information and resources.  At present, the
site offers:

* A one page introduction for the complete beginner.
* An article I wrote explaining lunar distance method with diagrams (and
without formulae) and offering instructions on how to observe, clear and
solve a backyard lunar.
* Spreadsheets for making the calculations needed to clear and solve a
backyard lunar.
* Links to where you can buy Bruce Stark's book of tables for clearing
and solving lunars.
* Links to all four of George Huxtable's "About Lunars" postings (the
original and still the best).
* Links to various in-depth articles on aspects of the lunar distance
and its history.
* Links to selected Nav-L discussions on lunar topics (using calculated
altitudes, using sun sights for local time and getting longitude from
GMT ~ local time, parallactic retardation, raw data from lunars
observations and analysis of same).

I hope what is on the site now is only a start.  PLEASE send me any
suggestions for additional books, publications, organizations or other
information relating to the lunar distance and I will happily post it on
the site.  This includes Nav-L discussions on lunars that I overlooked
but that you found useful.  I would like to expand the content of the
site and have it reflect our community's combined knowledge on the
theory, history and practice of using the lunar distance.

As our Nav-L lunar discussions go forward, I will be happy to post
graphics or attachments that can't be distributed via the list server
but which facilitate the dialogue.  I will continue to build up the
Nav-L links section of the site so we can conveniently reference past
lunar discussions.

Thanks in advance for any suggestions on expanding the content and
improving the presentation.

Regards,
Arthur


Arthur N. Pearson
Belmont, Massachusetts, USA
arthurpearson@hotmail.com

   

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