hi Doug
Try
www.daylightmap.com/
as an alternative
regards
Ian Maddocks
Chester, UK
--
From: Douglas Bateman douglas.bate...@btinternet.com
Sent: Wednesday, September 14, 2011 10:25 PM
To: Sundial sund...@rrz.uni-koeln.de
Subject: Terminator
Thanks to Ross, Andrew and Maureen for useful links.
A delight to know that someone on the list will respond, even to minor queries.
Regards, Doug
On 15 Sep 2011, at 09:08, Ross Sinclair Caldwell wrote:
Hi Doug,
I use Desktop Earth -
http://codefromthe70s.org/desktopearth.aspx
Douglas Bateman [EMAIL PROTECTED] wrote:
I have a site on my browser, www.mapmaker.com/shadowfacts/sunweb.asp
that shows the terminator throughout the year. It is fascinating to
see how
rapidly the shape changes,
Already the sunclock shows the light is broadening in the northern
I've got a little slide show that illustrates the points James makes.
The first slide shows the day-night interface as a great circle; the
second uses civil sunset; the third and fourth civil and nautical
twilight; and the fifth the terminator. I've removed the background map
of the world from the
I hope I won't be seen as a spoilsport if I point out that the shape of the
terminator is always a great circle.
It is only when the earth's surface is projected onto a flat map that it may
appear as a wave.
The moral is, don't trust maps.
Chris Lusby Taylor
51.4N 1.3W
- Original Message
Thank you Doug,
Another one very different but interesting too on the equinox day,
have a look on my favorite sundial, in the South of France
http://perso.wanadoo.fr/cadrans.solaires/cadrans/cadran-mines.html
Joël
48°01'25'' N, 1°45'40 O
http://www.cadrans-solaires.fr/
- Original
Douglas Bateman wrote:
I have a site on my browser,
www.mapmaker.com/shadowfacts/sunweb.asp that shows the terminator
throughout the year. I
Doug
https://lists.uni-koeln.de/mailman/listinfo/sundial
I have always loved the SunClock display. The changes through the
seasons are indeed
Another interesting site is:
http://www.fourmilab.com/homeplanet/
If you haven't already come across it.
Regards
Andrew
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of Douglas Bateman
Sent: 19 March 2006 18:01
To: sundial@uni-koeln.de
Subject: Terminator
There is also a good depiction of the terminator on the
under "Current Solar Data" on the NASS Web site.
http://sundials.org/
Bob
---
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