Re: sailors

Hi other dialists/navigators, My background is the Dutch Royal Navy where I did my military services as a RNR officer. Navigation and everything related was poured into my brain and that worked! Later I got a training for Air Traffic Controller which ment that I got involved in air navigation a

astronomical constants

Hi, I'd like to impove my sun chart at http://commons.wikimedia.org/wiki/File:Sonnenstand.png It includes the equation of time with formulas from a paper from Blatter, you find R code on the images's page as well. I am now looking for exact current (2009 or 2010) values of the following three cons

clock Prague

Can anyone tell me what time the astronomical clock in Prague shows on this moment (on the scale with Roman numerals)? Is it local mean time or Central European Time (UTC +1)? Between the two there is a difference of 2 minutes 19 seconds. Willy LEENDERS Hasselt in Flanders (Belgium) ---

Re: Help for Zarbula

Mario, Download the beautiful Powerpoint presentation "Zarbula's Sundials" by Roger Bailey and Alain Ferreira at: http://www.walkingshadow.info/Publications/Index.html There you find some good pictures of Zarbula's dials and also many more excellent presentations by Roger Baily. Best wishes,

Re: astronomical constants

Hi Thomas Try the links below http://aom.giss.nasa.gov/srorbpar.html http://www.umark.de/maxclock/maxclock_links_e.html Aimo Niemi http://pc-calculator.110mb.com/sun/digital-sundial.html 2009/8/25 Thomas Steiner > Hi, > I'd like to impove my sun chart at > http://commons.wikimedia.org/wi

Dutch sundial

Dear colleagues (especially in the Netherlands)   Can anyone tell me anything about the sundial referred to in this extract from a tourist website:    Follow the canal to the right until just after Kattenhage, where you can escape the city’s post-war urbanity in the Prinsenhoftuin (Princes’ Court

Re: astronomical constants

Hi Aimo, > Try the links below > http://aom.giss.nasa.gov/srorbpar.html great thanks. This gives me (which is what I wanted): Orbital Parmameters for the Earth Long. of Year EccentriObliquityPerihel. (A.D.) city (degrees)(degrees)

Re: Dutch sundial

I made a page concerning this sundial on my website. In Dutch language, but the pictures are rather clear. And http://www.wijzerweb.be/groningen.html can help. http://www.wijzerweb.be/groningen.html Willy LEENDERS Hasselt in Flanders (Belgium) www.wijzerweb.be Op 25-aug-2009, om 20:03 heeft

Re: Dutch sundial CORRECTION

CORRECTION My just sent mail must be: I made a page concerning this sundial on my website. In Dutch language, but the pictures are rather clear. And http://translate.google.com/translate_t#l can help. http://www.wijzerweb.be/groningen.html Willy LEENDERS Hasselt in Flanders (Belgium) www.wij

RE: Dutch sundial

Hi John D: I’ve been collecting photos and information of this fine Dutch sundial for our PWS website. Fer thinks this is Holland’s finest sundial. The Flickr website link below has a set of several hi def good photos as well. Click on thumbnails below for original large photos Here t

Re: Dutch sundial

Hello John, I have nothing to add to this thread but congratulations on winning the Sawyer Award, the highest accolade of the North American Sundial Society. This was announced at our recent NASS conference in Portland. Tony Moss, an excellent representative of the BSS, and our dear friend, a

Re: Dutch sundial

Hello Willy, We appreciate your layer by layer deconstruction of the lines on this great sundial. Regards, Roger Bailey From: Willy Leenders Sent: Tuesday, August 25, 2009 12:19 PM To: JOHN DAVIS Cc: sund...@rrz.uni-koeln.de Subject: Re: Dutch sundial I made a page concerning this sundial