Participate in our 2023 photo contest!

2023-01-11 Thread Roger Torrenti
https://bit.ly/3Xaf3Zy. The winner will receive a sundial designed by Claude Gahon. The first 10 will see their pictures published in the magazine. Please consider participating! Friendly yours. Roger Torrenti Author of the MOOC cadrans solaires<https://www.cadrans-solaires.info/> (free

Cadrans solaires pour tous #5

2022-09-06 Thread Roger Torrenti
Dear colleagues, I am very glad to provide you with the link https://bit.ly/3Rkv9wJ allowing to download, as a pdf file the Autumn issue (n° 5) of our quarterly magazine « Cadrans solaires pour tous » (“Sundials for all”). Warm regards Roger Torrenti [cid:image001.jpg@01D8C1F8.A0B44AD0

Re: Computing hour lines for horizontal sundials

2022-08-09 Thread Roger Bailey
reduction tables, my log log slide rules and most of my old programmable calculators. Welcome to the arcane abstruse world of sundial design. Roger Bailey, Peng Walking Shadow Designs Sidney by the Sea, BC On Mon, Aug 8, 2022 at 10:50 PM Bryan Mumford wrote: > I’m working from Albert Waugh’s b

Re: Telling time with a rope?

2022-03-04 Thread Roger Bailey
rope,different from Marchants . People used what they had at hand. Roger Bailey On Thu, Mar 3, 2022 at 11:45 AM Jack Aubert wrote: > I tired searching for “pommeau de ciel” and “pommeau des cieux”, which not > surprisingly I did not recognize in either English or French. Pommel is > Pom

Re: Requesting suggestions for sundials in Berlin

2022-02-21 Thread Roger Torrenti
/autres_pays/allemagne/berlin/cs_berlin.php Kind regards Roger De : sundial de la part de giuseppe viara Date : lundi, 21 février 2022 à 09:15 À : Alon Gan Cc : sundial@uni-koeln.de Objet : Re: Requesting suggestions for sundials in Berlin If you don't already know it, take a look

Launch of a the 2022 Sundials for all contest

2022-01-22 Thread Roger Torrenti
, who can choose a contest category: the smallest sundial, the simplest sundial, the most ecological sundial, and the most gourmet sundial ! A document in English introducing the contest rules is attached. I hope some of you will compete! Best regards Roger Roger Torrenti Author of the MOOC

A new quarterly magazine on sundials in French

2021-12-04 Thread Roger Torrenti
(it will be available for free download from the MOOC website). Would you have any suggestions to publish an article in future issues of this magazine, please don’t hesitate to contact me. Best regards Roger Torrenti Former President of the French “Commission des cadrans solaires

RE: Sundial designs against vandalism

2019-09-29 Thread Roger
the intersecting bifilar shadows on the vertical wall. His techniques are described in the NASS Compendium V13-4 Dec 2006 and the BSS Bulletin 22 (IV) 34-37) Roger bailey Walking Shadow Designs N 48.6, W 123.4 From: César Busto Sent: September 29, 2019 8:34 AM To: sundial@uni-koeln.de Subject: Sundial

RE: Can a sundial disprove Flat Earth?

2019-06-17 Thread Roger
A better question is how could you show before telescopes were invented that the earth orbits the sun rather than the sun orbiting the earth. We all observe that the sun, moon and stars rise and set. Sundial design is the same for geocentric and heliocentric systems. Regards, Roger Bailey

RE: Scientific Americal -This Month in the Archives

2019-06-03 Thread Roger
in an attempt to maintain their readership. I find I am less interested in their articles. Regards, Roger Bailey Walking Shadow Designs N 48.6, W 123.4 Sent from Mail for Windows 10 From: Peter Mayer Sent: June 3, 2019 3:24 AM To: Sundial List Subject: Fwd: Scientific Americal -This Month

RE: Equinox, Full Moon and Easter

2019-03-20 Thread Roger
, the solstices and the seasons My reference on this topic is “Sun in the Church” by J L Heilbron. Regards, Roger Bailey From: Roger Sent: March 19, 2019 9:00 PM To: sundial@uni-koeln.de Subject: Equinox, Full Moon and Easter I always thought Easter Sunday was on the first Sunday after the first full moon

Equinox, Full Moon and Easter

2019-03-19 Thread Roger
) Roger Bailey Walking Shadow Designs N 48.669°, W 123.403° --- https://lists.uni-koeln.de/mailman/listinfo/sundial

RE: Schmoyer Sunquest

2019-03-19 Thread Roger
Thanks Ian It looks like the real McCoy, a well crafted well crafted Schmoyer Sunquest. I had a look at the Instagram link. The #sundial tag seems to be loosely applied. What do silly girls in acrobatic poses have to do with sundials? Regards, Roger Bailey Walking Shadow Designs N 48.669, W

RE: Hour label question

2018-09-30 Thread Roger
As XII is a large number 0 is often used for noon. Roger Bailey Sent from Mail for Windows 10 From: Kurt Niel Sent: September 25, 2018 12:16 AM To: Steve Lelievre Cc: Sundial sundiallist Subject: Re: Hour label question Hi Steve, my first thought: I (as XII) as single line to be correct

RE: The Great Melbourne Telescope (slightly peripheral to the List)

2018-09-13 Thread Roger W. Sinnott
There is a fascinating seven-page article about the history of the GMT and its restoration effort in the current (October) issue of Sky & Telescope, now on newsstands. It was written by well-known science writer Trudy E. Bell. Roger S. -Original Message- From: sun

RE: How good is a cell phone compass

2018-09-11 Thread Roger
. The inclinometer is better, generally within 1 degree. The sun is best but a regular magnetic compass should be suitable for your purpose. Regards, Roger From: Steve Lelievre Sent: September 11, 2018 12:39 PM To: Sundial List Subject: How good is a cell phone compass Hi everyone, How good

RE: DMARC Wrapping.

2018-09-10 Thread Roger
, rage against the fading of the light”*, the enlightenment we all receive from these postings. Thanks Kevin for sharing such an excellent study on the equation of time. https://Equation-of-Time.info with hypertext removed Regards, Roger Bailey Walking Shadow Designs *“Do Not Go Gently..” Dylan

RE: Is this sundial business 'genuine', or not?

2018-07-22 Thread Roger
and draftsmen when I took it almost 60 years ago. The concepts remain valid. For further information come to the NASS conference next month for the presentation on “Alternative Seasonal Markers for Analemmatic Sundials” by Chris Lusby Taylor and Roger Bailey. This presentation includes over 30 slides

RE: Is this sundial business 'genuine', or not?

2018-07-17 Thread Roger
Hi Rod, We both have the same concept. I applied it to analemmatic sundials. You applied it to equatorial, horizontal and vertical sundials. When I go to NASS conferences or talk to groups I generally carry a disc and rod. All sundials start with a polar gnomon and equatorial disc. Roger

RE: Is this sundial business 'genuine', or not?

2018-07-17 Thread Roger
that is the value of a analemmatic sundial installation at a school would be to stimulate interest. Regards, Roger Bailey Walking Shadow Designs From: Jack Aubert Sent: July 17, 2018 6:27 AM To: 'Michael Ossipoff'; 'sundial list' Subject: RE: Is this sundial business 'genuine', or not? I very much agree

Half Hour Dots

2018-07-16 Thread Roger
or period like 17th 18th century. Are there links to other examples? Any contributions gratefully accepted. Roger Bailey --- https://lists.uni-koeln.de/mailman/listinfo/sundial

RE: Meridian line in Brussels

2018-06-30 Thread Roger
on sunset. The meridians were educational tools to show the importance of noon. This paper by Giogio Mesturini was published in 2002 http://www.mesturini.com/pubblicazioni/Meridiane%20italiane%20a%20camera%20oscuracompleto.pdf Regards, Roger Bailey Walking Shadow Designs From: Dan-George Uza

RE: Missing an opportunity

2018-06-28 Thread Roger
dials quaintly, point by point, Thereby to see the minutes how they run, How many make the hour full complete; How many hours bring about the day; How many days will finish up the year; How many years a mortal man may live.” Roger Bailey Walking Shadow Designs From: John Goodman Sent: June 28

RE: Blank subject line

2018-05-22 Thread Roger W. Sinnott
I agree with Helmut! When I see a blank subject line, I become suspicious and often just delete the message without opening it. Roger -Original Message- From: sundial [mailto:sundial-boun...@uni-koeln.de] On Behalf Of Helmut Haase Sent: Tuesday, May 22, 2018 10:11 AM To: sundial@uni

RE: Analemma intersection

2018-04-12 Thread Roger W. Sinnott
Roger (and others), A slight correction concerning the motion of Earth's perihelion with respect to the seasons. Owing to precession, the equinoxes and solstices drift slowly westward along the ecliptic in a cycle of about 26,000 years. But at the same time perturbations by the other

Re: Analemma intersection

2018-04-12 Thread Roger Bailey
curve intersection. Regards, Roger Bailey Walking Shadow Designs From: Dan-George Uza Sent: Thursday, April 12, 2018 3:46 AM To: Sundial List Subject: Analemma intersection Hello, Tomorrow the Sun will have reached the point of intersection in the analemma 8-curve. How do you compute the exact

Re: The Palace Sundial

2018-04-10 Thread Roger Bailey
://www.waymarking.com/waymarks/WMF2Y3_St_Georges_Chapel_Sundial_Windsor_Castle_UK http://www.waymarking.com/waymarks/WMF2Y6_Armillary_Sundial_Windsor_Castle_UK Regards, Roger Bailey aka arby101ca -- From: "Richard B. Langley" <l...@unb.ca> Sent

Re: This year a probe will be sent through the Sun's corona.

2018-02-08 Thread Roger Bailey
Hello Michael, Off topic/ Yes! Please get a grip. Do you know the void of outer space? Do you realize the immensity of the nuclear fusion reactions fueling the sun. Any probe is infinitesimal in comparison. Do the numbers. This probe is not a violation of a sacred place. Roger Bailey

Re: Perforated ring dials

2017-06-15 Thread Roger Bailey
"Sonne" program that does ring dials. Here is a link to my presentation on my Google Drive. https://drive.google.com/open?id=0B14iMmxzLvJWZVpVOTctSk9meDQ Enjoy, Roger Bailey Walking Shadow Designs N 48.6, W 123.4 From: Keith E. Brandt, WD9GET Sent: Thursday, June 15, 2017 10:37 AM

Re: East/West Vertical Bifilar Sundial

2017-05-28 Thread Roger Bailey
From: Roger Bailey Sent: Sunday, May 28, 2017 9:32 PM To: Nathaniel Shippen ; sundial@uni-koeln.de Subject: Re: East/West Vertical Bifilar Sundial Hello Nathaniel, Yes, it is quite doable. Here is a sketch produced with Fer De Vries Zon 2000 for a bifilar in Honolulu Hawaii, lat 21.3

Re: Sun path polar chart generator

2017-02-28 Thread Roger Bailey
Hello Dan, Helmut Sonderegger's Sonne software can generate such a chart. Choose the type as "horizontal altitude" and try various options. Sonne is available here. http://www.helson.at/sun.htm Regards, Roger Bailey From: Dan-George Uza Sent: Monday, February 27, 2017 12:10 PM

Re: Unusual bi-annual sundial

2017-01-20 Thread Roger Bailey
day as Donald Trump is crowned at God's Longitude, 77° W, Washington DC Roger Bailey Walking Shadow Designs -- From: "Frank King" <f...@cl.cam.ac.uk> Sent: Thursday, January 19, 2017 8:33 AM To: "John Goodman" <jo

Re: Re[2]: Leap Second Quiz Question

2017-01-01 Thread Roger Bailey
ation with a tidal power expert about 15 years ago so my numbers may be off but resonance of tuned inductive capacitive circuits was the basis of the analysis. "Time and Tide Wait for Gnomon" Roger Bailey -- From: <jmikes...@ntlworld

Re: Are there some Sundial Designers, in INDIA ?

2016-12-20 Thread Roger Bailey
UTC 21 Dec 2016. Best Regards, Roger Bailey -- From: "Frank King" <f...@cl.cam.ac.uk> Sent: Tuesday, December 20, 2016 12:31 AM To: "Maes, F.W." <f.w.m...@rug.nl> Cc: "Sundial Mailing List" <sundial@uni-

Re: New York Times - Today will be the earliest sunset of the year.

2016-12-07 Thread Roger Bailey
be happen to send it to anyone for their use. Helmut Sonderegger programmed the equation of time and declination algorithms in a spreadsheet that I imported into this spreadsheet for these calculations. It works well to show what happens around the solstice. Regards, Roger Bailey Walking

Re: Solar Declination

2016-10-26 Thread Roger Bailey
to a free spreadsheet calculation, which I provided. Regards, Roger Bailey From: Helmut Haase Sent: Wednesday, October 26, 2016 12:07 PM To: Roger Bailey ; sundial@uni-koeln.de Subject: Re: Solar Declination Hi Roger, I had to change the date format in colum A and in the formula of colum E

Re: Solar Declination

2016-10-26 Thread Roger Bailey
tronomical Algorithms free. Is this an example of fair use, a single copy of a library copy or a copyright violation? I don't know but I was glad to find it. meeus discusses the accuracy of the simple calculation compared to the more rigorous version. For sundials the simple version is fine. Regards, Ro

Re: Using linkages to draw curves on sundials

2016-09-09 Thread Roger Bailey
E, we were described in the media as "boffins". I took no offence but recognized it as an apt description recognizing that our arcane abstruse interest sometimes leaves people bemused. Regards, Roger Bailey From: tonylindi...@talktalk.net Sent: Friday, September 09, 2016 1:58 A

Re: The Brightest Part of a Shadow is in the Middle

2016-09-09 Thread Roger Bailey
resolution as the penumbral shadows merge. Do the experiment see the penumbral swelling effect. Regards, Roger Bailey From: Dan-George Uza Sent: Friday, September 09, 2016 11:05 AM To: sundial@uni-koeln.de Subject: The Brightest Part of a Shadow is in the Middle Hello, what a fascinating video

Re: Re: Double analemma dials

2016-08-19 Thread Roger Bailey
Hi Tony, Perhaps you are right. All David Andersson's emails have the sunclocks.com as the source listed in the headers. Here is a typical clip Regards, Roger "Received: from A7000.A7000.sunclocks.com ([2.96.206.108]) by smtp.talktalk.net with SMTP id aqldbkrorfn7DaqlebC0JD; Fri, 19 Aug

Re: Sombrero as a sundial

2016-08-18 Thread Roger Bailey
money and go to Mexico for the winter instead of installing solar panels. Everything I need to know I learned from sundials. regards, Roger Bailey From: Larry Bohlayer Sent: Wednesday, August 17, 2016 3:44 PM To: sundial@uni-koeln.de Subject: Sombrero as a sundial This sombrero

Re: Sunsweep sculpture

2016-08-16 Thread Roger Bailey
continent and curved west to east on the west coast. Yes, the sun rises in the east and sets in the west, duh! Here are pictures of the other locations. http://scenethroughmyeyes.blogspot.ca/2014/03/sunsweep.html Regards, Roger Bailey -- From

Sundials and Pokémon

2016-08-11 Thread Roger Bailey
eloper "Niantic Inc" in California or the "Pokémon Company" in Japan for implementation? Roger Bailey Walking Shadow Designs Sidney by the Sea BC --- https://lists.uni-koeln.de/mailman/listinfo/sundial

Sawyer Dialing Prize 2016

2016-07-29 Thread Roger Bailey
Roger Bailey is pleased to have receive the NASS Sawyer Dialing Prize for 2016. The certificate recognizes Roger for "consistently showing the dialing community that all you need to know in life can be learned from studying sundials, and for using that study to advance the theory and pra

Re: Amira Willighagen

2016-05-23 Thread Roger Bailey
Thanks Tony, Roger Bailey From: tonylindi...@talktalk.net Sent: Monday, May 23, 2016 2:09 AM To: Sundial List Sundial List Subject: Amira Willighagen Hi, If you are a 'Sundial Messages Only' person PLEASE IGNORE THIS. For the rest of us here are a few moments of pure and absolute

Re: Tropic of Capricorn sundial

2016-04-24 Thread Roger Bailey
Regards, Roger Bailey From: John Goodman Sent: Sunday, April 24, 2016 8:31 AM To: Sundial List Subject: Tropic of Capricorn sundial I was recently in northern Argentina at the Tropic of Capricorn. I saw a structure there that has been described as a sundial but I have trouble understanding ho

RE: Gnomon of Saint-Sulpice

2016-04-03 Thread Roger W. Sinnott
Dan, I’m just guessing, but maybe the two holes and two spots are placed so that, no matter what the Sun’s declination is, at least one of the spots will fall on a smooth, uncluttered part of the floor. Roger From: sundial [mailto:sundial-boun...@uni-koeln.de] On Behalf

Re: Sundials in museums

2016-01-10 Thread Roger Bailey
#!csearch;authority=subject-90227;browseBy=collection. This is my short list. There are many others worth exploring. Regards, Roger Bailey -- From: "Darek Oczki" <dhar...@o2.pl> Sent: Saturday, January 09, 2016 4:54 AM To: <sundial@un

Re: dodecahedron

2016-01-05 Thread Roger Bailey
/holbein_kratzer_polyhed.jpg Regards, Roger Bailey From: Fabio nonvedolora Sent: Tuesday, January 05, 2016 7:59 AM To: sundial@uni-koeln.de Subject: dodecahedron Hi all Riccardo Anselmi, an italian gnomonist, uploaded a new paper sundial, the app 47 (www.sundialatlas.eu/atlas.php?app=47

Re: Diamond Fuji

2016-01-04 Thread Roger Bailey
directlink. The moonrises here are equally spectacular. Best Wishes for 2016, Roger Bailey From: Dan-George Uza Sent: Monday, January 04, 2016 1:04 PM To: sundial@uni-koeln.de Subject: Diamond Fuji Hello, I saw a news report today about “Diamond Fuji”. When the sun appears to rise or set on to

Re: Ciudad Mitad del Mundo re sundial digest volume 120 issue 9

2015-12-10 Thread Roger Bailey
evidence was a pre-inca pyramid he visited. The walls had slopes of 23.5° and 47°. 2014 “Quitsato” Dean Conners told of his recent trip to Quitsato, an “Ecuadorian Equatorial Equinoctial Excursion” to observe the pillar sundials casting no shadow at noon on the equinox. Regards, Roger Bailey From

RE: No decision on future of leap seconds

2015-11-30 Thread Roger W. Sinnott
Wolfgang, Thanks very much -- I was ignoring real-world details. Roger -Original Message- From: sundial [mailto:sundial-boun...@uni-koeln.de] On Behalf Of Wolfgang R. Dick Sent: Monday, November 30, 2015 11:14 AM To: Sundial Mailing List Subject: RE: No decision on future of leap

RE: No decision on future of leap seconds

2015-11-30 Thread Roger W. Sinnott
leap second would be needed. Roger From: sundial [mailto:sundial-boun...@uni-koeln.de] On Behalf Of Rudolf Hooijenga Sent: Monday, November 23, 2015 5:18 PM To: 'Brooke Clarke'; sundial@uni-koeln.de Subject: RE: No decision on future of leap seconds . . . In fact, the Earth does

Re: Gnomon filaris mystery

2015-11-29 Thread Roger Bailey
Prague switched to Central European Time in 1912." Regards, Roger Bailey aka "arby101ca" From: Dan-George Uza Sent: Sunday, November 29, 2015 9:55 AM To: sundial@uni-koeln.de Subject: Gnomon filaris mystery Hello, Catholic bishop Batthyany Ignac established one of the fir

Re: Construction of a Hemispherium

2015-09-29 Thread Roger Bailey
benefit with this open sharing of information Regards, Roger Bailey From: Maes, F.W. Sent: Tuesday, September 29, 2015 6:52 AM To: Dan-George Uza ; Sundial Mailing List Subject: Re: Construction of a Hemispherium Dear all, Thanks to the invaluable resources of archive.org, Fer de Vries

RE: due east

2015-09-15 Thread Roger W. Sinnott
out perpendicularly from the north-south line. Roger From: sundial [mailto:sundial-boun...@uni-koeln.de] On Behalf Of David Patte ? Sent: Tuesday, September 15, 2015 12:34 PM To: sundial@uni-koeln.de Subject: Re: due east They are east-west lines, but they are not straig

Re: Construction of a Hemispherium

2015-09-13 Thread Roger Bailey
I have a copy of the webpage and files in a folder. I will send will send these files to you individually. Regards, Roger bailey From: Dan-George Uza Sent: Sunday, September 13, 2015 10:57 AM To: sundial@uni-koeln.de Subject: Construction of a Hemispherium Hello! I am trying to locate

Re: Metal cone

2015-08-19 Thread Roger Bailey
Vancouver BC V7R 3B3 Canada brianalbin...@shaw.ca -- From: Ray flowercity14...@gmail.com Sent: Wednesday, August 19, 2015 10:42 AM To: Roger Bailey rtbai...@telus.net Cc: Dan Uza cerculdest...@gmail.com; sundial@uni-koeln.de Subject: Re: Metal cone Hi

Re: Metal cone

2015-08-18 Thread Roger Bailey
sundials can do. A link to this article published in the NASS Compendium 13-3 will come up. Also check the digital bonus with NASS Compendium 14-2 Hollander Dial Software. Regards, Roger Bailey NASS Secretary From: Dan Uza Sent: Saturday, August 15, 2015 11:16 AM To: sundial@uni-koeln.de

Re: Temporal Hours

2015-08-03 Thread Roger Bailey
. Regards, Roger From: Jack Aubert Sent: Sunday, August 02, 2015 6:55 PM To: schalda...@aol.com ; rtbai...@telus.net ; email9648...@gmail.com ; sundial@uni-koeln.de Subject: RE: Temporal Hours I assume that you are referring to the Arachne of the Amphiareion. I have a photocopy of your article

Re: Temporal Hours

2015-07-29 Thread Roger Bailey
is bringing the duck for dinner. Time is important. Don't overcook it. Regards, Roger Bailey Michael Ossipoff Sent: Wednesday, July 29, 2015 11:57 AM To: Roger Bailey ; sundial list Subject: Re: Temporal Hours Roger, thanks for the answer. Ok, I shouldn't say that as a fact without having

Temporal Hours

2015-07-28 Thread Roger Bailey
area of interest, where a shadow would be projected was very close to the straight lines of the traditional method. This is why I belong to NASS, to read the Compendium and to go to the conferences. Here we see solutions to problems we didn't even know existed. Regards, Roger Bailey From

Re: Precision: the measure of all things

2015-07-27 Thread Roger Bailey
for longitude and grads for latitudes. This is as ridiculous as republican time, 10 hours in a day, 100 minutes in a hour and 100 minutes in an hour. Get over it as the French did with time. The Babylonians were onto something when they defined our base 60 units of measurement. Regards, Roger

Re: OS interface new languages

2015-07-17 Thread Roger Bailey
Thanks Gian for this clarification. By the way I really like your android app Sol et Umbra. It provides all the information I really need to understand and design sundials. The fact that it designs a sundial for the location just by placing it on the surface is amazing. Thanks again, Roger

Re: Can I share Universal Analemmatic Sundial image?

2015-07-02 Thread Roger Bailey
Hello Michael, The general permitted use allowed in copyright laws is one copy can be made for any individual. This allows libraries to function. Posting to a forum requires specific permission and attribution. It is better to post a link to the original source. Regards, Roger Bailey NASS

Re: Please help identify this architectural sundial and location _ invented by Blasius Gerg!

2015-06-25 Thread Roger Bailey
Re: Please help identify this architectural sundial and location _ invented by Blasius Gerg!Wow, what a complete response to the question on this interesting sundial. Thanks Reinhold. Regards, Roger Bailey From: Reinhold Kriegler Sent: Thursday, June 25, 2015 1:24 PM To: Sundial Mailing List

Re: Does anyone have, or have access to, Compendium vol.12, #1, March 2005?

2015-04-12 Thread Roger Bailey
techniques for reclining declining dials and has formulae in the back for specific cases of inclined dials, declining directly north south and declining directly east west. Rohr has six pages of complex math on reclining declining dials. I have scanned these and will send you copies. Regards, Roger

Re: Clouding the issue

2015-03-29 Thread Roger Bailey
working on the latter for the NASS conference in Victoria BC in June. Regards, Roger Bailey From: Peter Mayer Sent: Sunday, March 29, 2015 3:13 PM To: sundial@uni-koeln.de Subject: Clouding the issue Hi, In the Last Word section of a recent _New Scientist_ Stephen Parish raised the question

Re: Number of sundials

2015-03-17 Thread Roger Bailey
Hi Art, Good question but city is a poor denominator as city sizes ranges from about 20 thousand to over 10 million. Try sundials per square mile or sundials per person. These are more relevant tallies. Here the Queyras in the in France Haute Alpes, south of Briancon, scores highest in my

Fw: Jack: Duration of sunlight on a particular day

2015-03-04 Thread Roger Bailey
From: Roger Bailey Sent: Wednesday, March 04, 2015 5:28 PM To: Michael Ossipoff Subject: Re: Jack: Duration of sunlight on a particular day Hello Michael, I responded to Jack and provided a spreadsheet that calculated sunrise and sunset times that included the option for refraction

Re: sundial village in Italy (near San Marino?)

2015-02-14 Thread Roger Bailey
/piemonte-valle-aosta/piemonte-cycleways-cycle-routes/piemonte-mountain-valleys/piemonte-mountain-valleys-3/ Regards, Roger Bailey From: Woody Sullivan Sent: Friday, February 13, 2015 3:04 AM To: sund...@rrz.uni-koeln.de Subject: sundial village in Italy (near San Marino?) Greetings, fellow

Re: A question for the mathematically inclined

2015-02-03 Thread Roger Bailey
on the effect of latitude. Regards, Roger Bailey Walking Shadow Designs -- From: Jack Aubert j...@chezaubert.net Sent: Tuesday, February 03, 2015 12:23 PM To: 'Sundial List' sundial@uni-koeln.de Subject: RE: A question for the mathematically inclined

Re: A question for the mathematically inclined

2015-01-31 Thread Roger Bailey
and TimeFindangle B : Sin B =Sin Az Cos Lat/ Cos Dec. Then Tan .5(90-Alt)=Tan .5(Lat-Dec)Cos.5(B-Az)/Cos .5(B+Az), Then the Sine Rule for t: Sin Az=CosDec Sint/CosAlt or Sint=SinAzCosAlt/CosDec These are fairly easy to program into a spreadsheet. Regards, Roger Bailey

Re: Sundials in Transylvania need your help!

2014-08-15 Thread Roger Bailey
method of transferring funds anonymously. Best wishes on the success of your project. Roger Bailey From: cerculdestele . Sent: Friday, August 15, 2014 2:55 AM To: sundial@uni-koeln.de Subject: Sundials in Transylvania need your help! Dear Group, Please have a look at my Indiegogo

Re: Tour de Sundials

2014-07-07 Thread Roger Bailey
de France route. See www.tinyurl.com/ZarbulaSundials Regards, Roger Bailey -- From: Frank King frank.k...@cl.cam.ac.uk Sent: Monday, July 07, 2014 2:14 AM To: Roger Bailey rtbai...@telus.net Cc: sundial@uni-koeln.de Subject: Re: Tour de Sundials

Re: Tour de Sundials

2014-07-05 Thread Roger Bailey
Thanks Frank, I waymarked some of these dials following the 2007 BSS meeting in Cambridge. This tiny url will take you to waymarking.com for pictures and details. http://tinyurl.com/CamSunTour Regards, Roger Bailey -- From: Frank King frank.k

Re: sundials in schools

2014-07-04 Thread Roger Bailey
. People still need to no the time and direction, so easily provided by the analemmatic horizontal dial combination in a simple flip dial. Regards, Roger Bailey -- From: Linda Reid linda.r...@fastmessage.co.uk Sent: Friday, July 04, 2014 6:06 PM

Re: Lunar Analemma

2014-05-30 Thread Roger Bailey
dials, specifically declination dependant moon dials. Stay tuned as this lunacy unfolds at the NASS conference this year. Regards, Roger Bailey From: David Bell Sent: Friday, May 30, 2014 12:12 PM To: Robert Terwilliger Cc: sundial@uni-koeln.de Subject: Re: Lunar Analemma Great analemma

Re: Moon dial.

2014-05-14 Thread Roger Bailey
of Rafael's remarkable designs. The cube dial is described on slides 52 to 56. I have uploaded in to a personal website. This link will start the download of the 28 MB PowerPoint file. http://www3.telus.net/public/rtbailey/BSS%20Tours/Sundials%20in%20Mallorca.ppt Enjoy, Roger Bailey Walking Shadow

Re: Calculating the Equation of Time and other Solar Parameters

2014-02-23 Thread Roger Bailey
Right Ascension and Declination. But I really wanted the EQT. Your formula 9 in Part 1 gave me the simple relationship, obvious in hindsight that I was looking for, the conversion of RA to EQT. I look forward making good use of your work. Thank you for making it available. Thanks again, Roger

Re: Garden planning problem

2014-01-03 Thread Roger Bailey
the sun gets 1/4 the intensity but that is not the effect being discussed in this gray posting. Regards, Roger -- From: David Bell db...@thebells.net Sent: Friday, January 03, 2014 2:06 PM To: Roger Bailey rtbai...@telus.net Cc: Marcelo mmanil

Re: Garden planning problem

2014-01-02 Thread Roger Bailey
in solving problems like yours. Regards, Roger Bailey -- From: Marcelo mmanil...@gmail.com Sent: Thursday, January 02, 2014 11:37 AM To: Sundial List sundial@uni-koeln.de Subject: Garden planning problem Hello fellow dialists, how are you? I'm

Re: Information wanted, on 'badly designed' public sundials

2013-10-25 Thread Roger Bailey
many fresh remains of fish and steaming bear scat along the trail. We actually saw no bears on this trip as we skipped along like free range kids even though the average age of the group members was 72. Regards, Roger Bailey -- From: Reena

Re: Klementinum's sundials and armillary sphere

2013-10-23 Thread Roger Bailey
. Regards, Roger Bailey From: Алексей Крутяков Sent: Tuesday, October 22, 2013 2:26 PM To: sundial Subject: Klementinum's sundials and armillary sphere Dear dialists, Being in Prague last week, I went to Klementinum in order to take pictures of portable sundials that should be presented

Re: a unique sundial on a cylindrical column of opal glass

2013-10-20 Thread Roger Bailey
published in the SAF 'Cadrans Info in October 2010. Dials like these are often called top hat or filter sundials in English and filterhut in Austrian. Regards, Roger Bailey -- From: Helmut Sonderegger (Tele2) h.sondereg...@utanet.at Sent: Sunday

Re: Tony Moss - hacked

2013-09-28 Thread Roger Bailey
changed some of their practices due to this exposure but the recovery process is still difficult. Good Luck, Roger Bailey From: Tony Moss Sent: Friday, September 27, 2013 10:43 AM To: sundial@uni-koeln.de Subject: Re: Tony Moss - hacked Hi all, A thousand apologies to anyone who has

Re: Visibly Moving Gnomon Shadows

2013-08-07 Thread Roger Bailey
observers of the Sun in the Church phenomenon on meridians in various churches in Europe can see the sun spot move. Math? Phaff. Believe what you see. Regards, Roger Bailey ps. The word for the day, pfaff is a slang term for wasting time, doing nothing very productive. From: Dave Bell Sent

Re: ABBOTSFORD SUNDIAL

2013-07-17 Thread Roger Bailey
east near Poestenkill. Perhaps the dial is there. Regards, Roger Bailey From: Dennis Cowan Sent: Tuesday, July 16, 2013 1:29 PM To: sundial@uni-koeln.de Subject: ABBOTSFORD SUNDIAL On behalf of the Abbotsford Trust who look after Sir Walter Scott's home in the Scottish Borders, I am trying

Re: Unicode characters for degrees, minutes, seconds above the decimalpoint.

2013-07-06 Thread Roger Bailey
calculator. Use the Dec and Hex buttons to toggle back and forth between decimal and hexadecimal numbers. Regards, Roger Bailey From: Dave Bell Sent: Saturday, July 06, 2013 10:12 AM To: 'Sundial list' Subject: RE: Unicode characters for degrees, minutes,seconds above the decimalpoint. Good call

Re: A big new analemmatic sundial on Malta

2013-06-18 Thread Roger Bailey
Because. Regards, Roger Bailey Walking Shadow Designs From: Sunclocks North America Sent: Tuesday, June 18, 2013 6:26 PM To: Sundial Mailing List Subject: Re: A big new analemmatic sundial on Malta Hello All, Congratulations to Mr. David Grima and to Stella Maris College

Re: sundial spotting

2013-06-09 Thread Roger Bailey
exuberant folk art. All of Zarbula's existing dials are available on this Google Map. http://goo.gl/maps/QIF8n. Regards, Roger Bailey Everything I need to know, I learned from sundials. From: Jack Aubert Sent: Sunday, June 09, 2013 2:19 PM To: 'Steve Lelievre' ; sundial@uni-koeln.de Subject: RE

Sundials along the Camino de Santiago de Compostela

2013-04-22 Thread Roger Bailey
Hello Fabio, I have added six sundials to the sundial atlas, ES1247, to ES1251. They are all along the Camino. Please add them your Camino path. Regards, Roger Bailey - No virus found in this message. Checked by AVG - www.avg.com Version: 2013.0.3272 / Virus Database: 3162/6265 - Release

Re: Sundials along the Camino de Santiago de Compostela

2013-04-20 Thread Roger Bailey
and be wary of the warning This site could damage your computer. I gave away my guide books and maps so it will take a while to get good location data. Check the Fabio Savian's Sundial Atlas as I suspect all these dials are on his trail. Roger Bailey From: f...@solariameridiane.it Sent

Re: Sundials along the Camino de Santiago de Compostela

2013-04-20 Thread Roger Bailey
, Roger Bailey From: Dennis Jordan Sent: Wednesday, April 17, 2013 5:42 PM To: sundial@uni-koeln.de Subject: Sundials along the Camino de Santiago de Compostela I have followed this list serve for some time, although I have not been an active participant. I have very much appreciated

Re: Sundials along the Camino de Santiago de Compostela

2013-04-19 Thread Roger Bailey
, Iron Cross, Boente, Villafranca and Santiago. The hardest dial to find was the large stone block with old sundials on three faces. A patio restaurant blocks access. Enjoy the trip. I hope you will have better weather than we did in 2008 Regards, Roger Bailey From: Dennis Jordan Sent

Re: Today's Google Banner - More

2013-04-15 Thread Roger Bailey
the year; How many years a mortal man may live. Shakespeare, Henry VI contemplating battle. Regards Roger Bailey -- From: Jack Aubert j...@chezaubert.net Sent: Monday, April 15, 2013 7:05 PM To: 'Frank King' frank.k...@cl.cam.ac.uk; sundial@uni

Re: Horas benedictinus

2013-04-10 Thread Roger Bailey
the sunrise and mid-morning prayers. Regards, Roger Bailey -- From: Darek Oczki dhar...@o2.pl Sent: Wednesday, April 10, 2013 6:31 AM To: sundial@uni-koeln.de Subject: Horas benedictinus An archeologist discovered a very old sundial on a church

Re: Horas benedictinus

2013-04-10 Thread Roger Bailey
but by the natural circadian and solar rhythms. Regards, Roger Bailey -- From: Mario Arnaldi marna...@libero.it Sent: Wednesday, April 10, 2013 10:37 AM To: sundial@uni-koeln.de Subject: Re: Horas benedictinus These times were based on the position

Re: A glass in Taiwan

2013-03-27 Thread Roger Bailey
* is to be silk screened and fused onto the glass to provide the pattern, lines and desired opacity. It is an interesting design project. Stay tuned. Roger Bailey Walking Shadow Designs *see http://en.wikipedia.org/wiki/Frit#Modern_uses_of_frit From: Chiu ?,Chi lian Sent: Monday, March 25, 2013 10:21 PM

Re: equation of time sundial

2013-02-03 Thread Roger Bailey
at that declination would be the shadow line of the aperture. Thus the two possible values of EQT could be read directly without knowing the the date. Regards, Roger Bailey Walking Shadow designs. From: Ken Baldwin Sent: Sunday, February 03, 2013 2:19 PM To: peter.ma...@adelaide.edu.au Cc: sundial

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